{"title":"Fosi Audio Headphones","description":"\u003cp style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/listenup.com\/pages\/fosi-audio\"\u003eFosi Audio\u003c\/a\u003e headphones and in-ear monitors (IEMs) deliver rich, detailed sound with impressive clarity, bringing you closer to your favorite music. \u003cbr\u003eCombining precision engineering, comfortable designs, and exceptional value, \u003cbr\u003eFosi Audio makes high-quality personal listening accessible to every music enthusiast.\u003c\/p\u003e","products":[{"product_id":"fosi-audio-i5-open-back-planar-magnetic-headphones","title":"Fosi Audio i5 Open-Back Planar Magnetic Headphones","description":"\u003ch3\u003eFosi Audio i5 Open-Back Planar Magnetic Headphones\u003c\/h3\u003e \u003cp\u003eExperience exceptional detail, natural sound, and premium craftsmanship with the Fosi Audio i5 Open-Back Planar Magnetic Headphones. Designed for audiophiles and critical listeners, the i5 combines an ultra-large 97mm planar magnetic driver, an advanced 2μm nano-thin diaphragm, and a precision-engineered magnetic system to deliver outstanding clarity, fast transient response, and low distortion. Its open-back design creates a spacious, immersive soundstage that brings out the subtle textures, instrument separation, and dynamics of your favorite recordings.\u003c\/p\u003e \u003cp\u003eAt the heart of the Fosi Audio i5 is an advanced planar magnetic transducer featuring a magnetron-sputtered silver alloy conductive layer and 44 high-strength N50 neodymium magnets. This sophisticated driver architecture provides precise diaphragm control across an extended 10Hz–50kHz frequency response, reproducing everything from deep bass notes to delicate high-frequency details. The acoustically transparent rear grille minimizes unwanted resonance and acoustic resistance, allowing music to sound open, natural, and remarkably lifelike.\u003c\/p\u003e \u003cp\u003ePremium materials and thoughtful ergonomics make the i5 equally impressive in design and comfort. Handcrafted walnut wood chambers complement a CNC-machined aluminum frame, while a flexible memory-steel headband, genuine sheepskin headband covering, and multi-axis adjustable earcups provide a secure, adaptable fit. Breathable, cushioned ear pads and precision silicone adjustment sliders help distribute pressure comfortably during extended listening sessions. With a 28-ohm impedance and 98dB\/mW sensitivity, the i5 is compatible with a variety of headphone amplification setups, although Fosi Audio recommends at least 500mW of output power for optimal performance.\u003c\/p\u003e \u003ch4\u003eSpecifications\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Fosi Audio\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e i5\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Over-ear planar magnetic headphones\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAcoustic Design:\u003c\/strong\u003e Open-back\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDriver Type:\u003c\/strong\u003e Planar magnetic transducer\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDriver Size:\u003c\/strong\u003e 97mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDiaphragm Thickness:\u003c\/strong\u003e 2μm ultra-thin diaphragm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDiaphragm Technology:\u003c\/strong\u003e Nano-thin diaphragm with magnetron-sputtered silver alloy conductive coating\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConductive Layer:\u003c\/strong\u003e Approximately 1.3μm silver metal voice coil coating\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMagnetic System:\u003c\/strong\u003e 44 N50-grade neodymium magnets total, with 22 magnets per driver\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 10Hz–50kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNominal Impedance:\u003c\/strong\u003e 28 ohms\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 98dB\/mW at 1kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Sound Pressure Level:\u003c\/strong\u003e ≥120dB SPL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTotal Harmonic Distortion:\u003c\/strong\u003e Less than 1% at 100dB SPL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRecommended Amplifier Power:\u003c\/strong\u003e ≥500mW\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeadphone Construction:\u003c\/strong\u003e Handcrafted walnut wood chambers and CNC-machined aluminum frame\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRear Grille:\u003c\/strong\u003e Acoustically transparent rigid open-back mesh\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeadband:\u003c\/strong\u003e Flexible memory-steel construction with genuine sheepskin covering\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeadband Adjustment:\u003c\/strong\u003e Precision silicone adjustment sliders\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEarcup Design:\u003c\/strong\u003e Multi-axis pivoting earcups\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEar Pads:\u003c\/strong\u003e Breathable cushioned pads with memory foam\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApproximate Weight:\u003c\/strong\u003e 550g\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Wired\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded Cable:\u003c\/strong\u003e 3.5mm headphone cable\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded Adapter:\u003c\/strong\u003e 6.35mm headphone adapter\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdditional Included Accessories:\u003c\/strong\u003e User manual\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eWhat It's Great At\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eUltra-Large 97mm Planar Magnetic Drivers:\u003c\/strong\u003e Advanced planar magnetic transducers with ultra-thin diaphragms deliver exceptional resolution, accurate instrument separation, and fast transient response for detailed, engaging music reproduction.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExpansive Open-Back Soundstage:\u003c\/strong\u003e An acoustically transparent rear grille reduces unwanted resonance and allows sound to develop naturally, creating an open and immersive presentation with excellent spatial imaging.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecision Magnetic System:\u003c\/strong\u003e A symmetrical arrangement of 44 N50 neodymium magnets provides precise diaphragm control, reducing nonlinear distortion and preserving delicate musical details.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdvanced Silver Alloy Diaphragm Coating:\u003c\/strong\u003e Magnetron-sputtered conductive material helps improve signal responsiveness, sound clarity, and long-term driver consistency.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePremium Walnut and Aluminum Construction:\u003c\/strong\u003e Handcrafted walnut chambers, CNC-machined aluminum components, and refined finishing details combine durability with a sophisticated audiophile aesthetic.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for Extended Listening:\u003c\/strong\u003e A flexible memory-steel headband, multi-axis pivoting earcups, adjustable silicone sliders, and breathable cushioned ear pads create an adaptable fit for longer listening sessions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExtended Frequency Reproduction:\u003c\/strong\u003e A wide 10Hz–50kHz frequency response supports deep low-frequency extension, articulate midrange reproduction, and detailed high-frequency performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExcellent for Dedicated Hi-Fi Systems:\u003c\/strong\u003e The i5 is well suited to desktop DAC and headphone amplifier setups, with Fosi Audio recommending at least 500mW of amplifier power for optimal results.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eFAQ Section\u003c\/h4\u003e \u003cp\u003e\u003cstrong\u003eQ: What type of headphones are the Fosi Audio i5?\u003c\/strong\u003e\u003cbr\u003eA: The Fosi Audio i5 are wired, open-back, over-ear planar magnetic headphones designed for high-fidelity music listening. They feature large 97mm planar drivers that deliver detailed sound, fast transient response, and a spacious listening experience.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: What are the benefits of planar magnetic drivers?\u003c\/strong\u003e\u003cbr\u003eA: Planar magnetic drivers use a thin diaphragm controlled by a magnetic field to reproduce sound with precise movement and low distortion. The i5 uses a 2μm ultra-thin diaphragm and 44 N50 neodymium magnets to reproduce subtle musical details, accurate instrument separation, and controlled dynamics.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: Do the Fosi Audio i5 headphones need an amplifier?\u003c\/strong\u003e\u003cbr\u003eA: A dedicated headphone amplifier is recommended for optimal performance. Although the i5 has a nominal impedance of 28 ohms and a sensitivity of 98dB\/mW, Fosi Audio recommends an amplifier capable of delivering at least 500mW of output power.\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":62887243612319,"sku":"FOS-I5-BRO","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/6910\/4031\/files\/b3ce8967-796e-49e0-8b91-3847deb115f9.jpg?v=1791557354"},{"product_id":"fosi-audio-carbon12-pure-carbon-in-ear-monitors","title":"Fosi Audio Carbon12 Pure Carbon In-Ear Monitors","description":"\u003ch3\u003eFosi Audio Carbon12 Pure Carbon In-Ear Monitors\u003c\/h3\u003e  \u003cp\u003eExperience a new approach to high-fidelity personal audio with the Fosi Audio Carbon12 Pure Carbon In-Ear Monitors, premium wired earphones designed to combine advanced diaphragm technology, precision craftsmanship, and a rich, engaging sound signature. Featuring a 12mm dynamic driver with Fosi Audio's proprietary UTPT™ (Ultra Thin Ply Technology) pure carbon diaphragm, the Carbon12 delivers fast transient response, impressive detail, and natural musical reproduction. Its TC4 titanium alloy housings, forged carbon fiber faceplates, and lightweight ergonomic design make it an excellent choice for music enthusiasts seeking a refined listening experience at home or on the go.\u003c\/p\u003e  \u003cp\u003eAt the heart of the Carbon12 is its innovative 12mm UTPT™ pure carbon diaphragm. Carbon fiber is prized in high-performance industries for its combination of low weight and exceptional rigidity, and Fosi Audio applies these same material properties to its dynamic driver design. By creating an ultra-thin diaphragm with excellent structural stiffness, UTPT™ technology helps the driver respond quickly to changes in the audio signal while minimizing unwanted flexing and distortion. The result is precise transient reproduction, controlled bass, and clear instrumental detail across a wide frequency response of 20Hz to 40kHz. With a manufacturer-rated total harmonic distortion of 0.5% or less at 1kHz, the Carbon12 is engineered to preserve musical clarity even during demanding passages.\u003c\/p\u003e  \u003cp\u003eThe Carbon12 features a carefully tuned dual-chamber acoustic architecture designed to improve soundstage presentation and listening comfort. Its open front-chamber structure helps relieve the pressure sensation sometimes associated with in-ear monitors, allowing music to feel more spacious and natural. Inside the rear chamber, dedicated acoustic damping foam absorbs unwanted standing waves and reflections, helping reduce resonance and maintain a cleaner sound. A diffused pressure-relief vent further balances internal pressure, contributing to the Carbon12's controlled low-frequency response and open, immersive presentation.\u003c\/p\u003e  \u003cp\u003eFosi Audio has tuned the Carbon12 for a warm, full-bodied listening experience that balances technical accuracy with musical engagement. Its low frequencies provide weight and texture without overwhelming the presentation, while slightly forward midrange reproduction gives vocals and acoustic instruments a rich, expressive character. Fast transients and detailed high-frequency performance help reveal subtle musical information, making the Carbon12 particularly enjoyable for vocal-focused recordings, pop, acoustic music, and a wide variety of other genres. This carefully balanced tuning makes it an appealing choice for listeners who want a detailed yet inviting sound rather than an overly analytical presentation.\u003c\/p\u003e  \u003cp\u003ePremium materials play an equally important role in the Carbon12's design. Each earpiece features a rigid TC4 titanium alloy housing, chosen for its strength, durability, and ability to minimize unwanted vibrations. The forged carbon fiber faceplates are crafted through a multi-stage process involving layering, stamping, controlled heating, forging, and precision CNC machining. This process gives every faceplate its own distinctive carbon fiber pattern while helping reduce unwanted resonance between the enclosure and dynamic driver. Despite their durable construction, the Carbon12 earpieces weigh just 7.5 grams each, with rounded ergonomic shells designed to follow the natural contours of the ear for comfortable extended listening.\u003c\/p\u003e  \u003cp\u003eFor listeners who enjoy customizing their sound, the Carbon12 includes multiple interchangeable ear tips and acoustic tuning foams. Three ear tip tuning styles, available in multiple sizes, allow you to experiment with fit, comfort, and perceived bass response. Additional nozzle tuning foams are provided in low-, medium-, and high-density options, making it possible to subtly adjust the upper-frequency presentation. Higher-density filters help soften upper treble energy, while lower-density filters provide a brighter, more open character. The included tweezers make it easy to replace the tuning materials, allowing you to tailor the Carbon12 to your preferred sound signature without changing earphones.\u003c\/p\u003e  \u003cp\u003eA detachable four-core silver-plated oxygen-free copper cable completes the Carbon12's premium design. Engineered for clean, low-resistance signal transmission, the braided cable uses standard 0.78mm 2-pin connectors for compatibility with suitable aftermarket replacement cables. The included cable terminates in a standard 3.5mm single-ended plug, allowing connection to compatible portable music players, headphone amplifiers, and devices equipped with a traditional headphone jack. Listeners who prefer balanced amplification can upgrade to a separately purchased compatible 4.4mm balanced cable. With an impedance of 37 ohms and sensitivity of 108dB\/Vrms at 1kHz, the Carbon12 is designed to perform well with compatible portable DACs, digital audio players, and headphone amplifiers.\u003c\/p\u003e  \u003cp\u003eCombining innovative pure carbon diaphragm technology, precision titanium construction, customizable acoustic tuning, and a comfortable lightweight fit, the Fosi Audio Carbon12 offers a distinctive approach to premium wired listening. Whether you're discovering subtle details in familiar recordings, enjoying high-resolution music through a dedicated DAC, or simply relaxing with your favorite albums, the Carbon12 delivers a sophisticated combination of engineering, musicality, and everyday versatility.\u003c\/p\u003e  \u003ch4\u003eSpecifications\u003c\/h4\u003e \u003cul\u003e   \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Fosi Audio\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Carbon12\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Wired in-ear monitors (IEMs)\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHeadphone Style:\u003c\/strong\u003e In-ear\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDriver Configuration:\u003c\/strong\u003e Single dynamic driver per earpiece\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDriver Size:\u003c\/strong\u003e 12mm\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDriver Technology:\u003c\/strong\u003e UTPT™ Pure Carbon Dynamic Driver\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDiaphragm Material:\u003c\/strong\u003e Ultra-thin pure carbon\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDiaphragm Technology:\u003c\/strong\u003e UTPT™ (Ultra Thin Ply Technology)\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDriver Design:\u003c\/strong\u003e Low-mass, high-rigidity pure carbon diaphragm\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eAcoustic Architecture:\u003c\/strong\u003e Dual-chamber dynamic driver enclosure\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eFront Chamber:\u003c\/strong\u003e Pressure-relieving open front-chamber acoustic design\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eRear Chamber:\u003c\/strong\u003e Damped acoustic chamber with sound-absorbing foam\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePressure Management:\u003c\/strong\u003e Diffused pressure-relief vent\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 20Hz–40kHz\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 37 ohms\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 108dB\/Vrms at 1kHz\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eTotal Harmonic Distortion:\u003c\/strong\u003e 0.5% or less at 1kHz\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eSound Signature:\u003c\/strong\u003e Warm, full-bodied tuning\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eMidrange Presentation:\u003c\/strong\u003e Slightly forward vocal reproduction\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHousing Material:\u003c\/strong\u003e TC4 titanium alloy\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eFaceplate Material:\u003c\/strong\u003e Forged carbon fiber\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eFaceplate Construction:\u003c\/strong\u003e Multi-stage carbon fiber forging and CNC machining\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eFaceplate Appearance:\u003c\/strong\u003e Individual natural forged carbon fiber patterns\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHousing Design:\u003c\/strong\u003e Rounded ergonomic shell\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eWeight Per Earbud:\u003c\/strong\u003e 7.5g\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eTotal Earbud Weight:\u003c\/strong\u003e 15g, excluding cable and accessories\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eCable Type:\u003c\/strong\u003e Detachable four-core braided audio cable\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eCable Conductor Material:\u003c\/strong\u003e Silver-plated oxygen-free copper (OFC)\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eCable Connection:\u003c\/strong\u003e Standard 0.78mm 2-pin\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eIncluded Cable Termination:\u003c\/strong\u003e 3.5mm single-ended stereo plug\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBalanced Cable Compatibility:\u003c\/strong\u003e Supports compatible aftermarket 4.4mm balanced cables using 0.78mm 2-pin connectors\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003e4.4mm Balanced Cable Included:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eWired Connectivity:\u003c\/strong\u003e 3.5mm analog audio\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eEar Tip Customization:\u003c\/strong\u003e Three acoustic tuning styles in multiple sizes\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eEar Tip Size Options:\u003c\/strong\u003e Small, medium, and large\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eNozzle Tuning System:\u003c\/strong\u003e Replaceable acoustic damping foam inserts\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eAvailable Nozzle Filter Densities:\u003c\/strong\u003e Low, medium, and high\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eLow-Density Filter:\u003c\/strong\u003e Brighter upper-frequency presentation\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHigh-Density Filter:\u003c\/strong\u003e Softer upper-treble presentation\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eFilter Replacement Tool:\u003c\/strong\u003e Tweezers included\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eRecommended Source Devices:\u003c\/strong\u003e Compatible digital audio players, portable DACs, headphone amplifiers, and devices with 3.5mm headphone outputs\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eAudio Channels:\u003c\/strong\u003e 2-channel stereo\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBuilt-In DAC:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eActive Noise Cancellation:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBluetooth:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eWi-Fi:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eApple AirPlay:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBuilt-In Music Streaming:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eApp Control:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBattery Required:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eCharging Required:\u003c\/strong\u003e No\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eUSB-C Audio Connection:\u003c\/strong\u003e Requires a compatible external USB-C DAC or adapter\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24-month limited manufacturer warranty\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eIncluded Accessories:\u003c\/strong\u003e Fosi Audio Carbon12 in-ear monitors, detachable 3.5mm silver-plated OFC cable, assorted tuning ear tips, low-\/medium-\/high-density nozzle tuning foams, and replacement tweezers\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eWhat It's Great At\u003c\/h4\u003e \u003cul\u003e   \u003cli\u003e\n\u003cstrong\u003eInnovative UTPT™ Pure Carbon Diaphragm:\u003c\/strong\u003e A 12mm ultra-thin pure carbon dynamic driver combines low mass and high rigidity for fast transient response, precise detail, and controlled low-frequency performance.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eWarm, Full-Bodied Music Reproduction:\u003c\/strong\u003e Carefully balanced tuning delivers rich vocals, textured bass, and a natural presentation suited to everything from acoustic recordings to modern pop music.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003ePremium Titanium and Carbon Fiber Construction:\u003c\/strong\u003e TC4 titanium alloy housings and forged carbon fiber faceplates provide a durable, distinctive design while helping reduce unwanted acoustic resonance.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eComfortable Lightweight Fit:\u003c\/strong\u003e Ergonomic earpieces weighing just 7.5g each help provide a secure, comfortable fit for longer listening sessions at home or on the go.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eCustomizable Acoustic Tuning:\u003c\/strong\u003e Three ear tip styles and interchangeable nozzle tuning foams let listeners fine-tune fit, perceived bass response, and treble presentation to suit their preferences.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eDetachable Silver-Plated OFC Cable:\u003c\/strong\u003e A four-core silver-plated oxygen-free copper cable with standard 0.78mm 2-pin connectors and a 3.5mm termination offers convenient compatibility with portable music devices and aftermarket cable upgrades.\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eFAQ Section\u003c\/h4\u003e  \u003cp\u003e\u003cstrong\u003eQ: What makes the Fosi Audio Carbon12 different from traditional dynamic-driver IEMs?\u003c\/strong\u003e\u003cbr\u003e A: The Carbon12 uses Fosi Audio's proprietary UTPT™ (Ultra Thin Ply Technology) pure carbon diaphragm in its 12mm dynamic driver. This technology creates an exceptionally thin, rigid diaphragm designed for fast transient response, accurate frequency reproduction, and controlled distortion. It also features premium TC4 titanium housings and forged carbon fiber faceplates.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: What type of sound signature does the Fosi Audio Carbon12 have?\u003c\/strong\u003e\u003cbr\u003e A: The Carbon12 is tuned for a warm, full-bodied sound with detailed transient response and slightly forward midrange reproduction. Its presentation emphasizes rich, textured vocals and natural musicality while maintaining clarity across a broad frequency range. The included ear tips and tuning filters provide additional opportunities to customize the sound.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio Carbon12 require a headphone amplifier?\u003c\/strong\u003e\u003cbr\u003e A: Not necessarily. With a 37-ohm impedance and 108dB\/Vrms sensitivity, the Carbon12 is designed to work with compatible portable digital audio players, dongle DACs, and headphone amplifiers. A dedicated DAC or headphone amplifier may provide additional connection options and volume headroom, but it is not required for every listening setup.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: What cable connection does the Fosi Audio Carbon12 use?\u003c\/strong\u003e\u003cbr\u003e A: The Carbon12 includes a detachable four-core silver-plated oxygen-free copper cable with standard 0.78mm 2-pin connectors and a 3.5mm single-ended audio plug. This makes it compatible with equipment equipped with a traditional 3.5mm headphone output and allows the cable to be replaced with compatible aftermarket alternatives.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can I use the Fosi Audio Carbon12 with a 4.4mm balanced headphone output?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The Carbon12 uses standard 0.78mm 2-pin detachable cable connections, allowing it to support compatible aftermarket cables terminated with a 4.4mm balanced plug. However, the included cable uses a 3.5mm single-ended connection, so a separate 4.4mm balanced cable is required for balanced playback.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can I customize the sound of the Fosi Audio Carbon12?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The Carbon12 includes multiple ear tip styles in different sizes and three densities of replaceable acoustic nozzle foams. Lower-density filters provide a brighter upper-frequency presentation, while higher-density filters soften the upper treble. The included tweezers help make filter replacement easier.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Are the Fosi Audio Carbon12 earphones comfortable for extended listening?\u003c\/strong\u003e\u003cbr\u003e A: The Carbon12 is designed for comfortable everyday use with ergonomic, rounded housings that follow the contours of the ear. Each titanium alloy earpiece weighs just 7.5g, and the included ear tip options allow listeners to experiment with different fits and levels of isolation.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio Carbon12 have Bluetooth or active noise cancellation?\u003c\/strong\u003e\u003cbr\u003e A: No. The Carbon12 is a dedicated wired in-ear monitor and does not include Bluetooth, Wi-Fi, active noise cancellation, or a rechargeable battery. Its traditional analog cable connection is designed for music listeners who prioritize wired playback through compatible headphone outputs, DACs, and digital audio players.\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":62887309508767,"sku":"FOS-CARBON12-SIL","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/6910\/4031\/files\/00ef966a-a8f2-4bb1-8463-8ba59c55d560.jpg?v=1791575144"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/6910\/4031\/collections\/b3ce8967-796e-49e0-8b91-3847deb115f9.jpg?v=1791901249","url":"https:\/\/listenup.com\/collections\/fosi-audio-headphones.oembed","provider":"ListenUp","version":"1.0","type":"link"}