{"product_id":"fosi-audio-lc30-vu-meter-amplifier-speaker-selector","title":"Fosi Audio LC30 VU Meter Amplifier \u0026 Speaker Selector","description":"\u003ch3\u003eFosi Audio LC30 VU Meter Amplifier \u0026amp; Speaker Selector\u003c\/h3\u003e  \u003cp\u003eBring flexibility, convenience, and classic Hi-Fi styling to your audio system with the Fosi Audio LC30 VU Meter Amplifier \u0026amp; Speaker Selector. Designed for audiophiles who want to compare or switch between multiple amplifiers and speakers without constantly reconnecting cables, the LC30 accommodates up to two stereo amplifiers and two pairs of passive speakers. Its dual analog VU meters provide a visually engaging display of audio signal levels, while convenient front-panel controls and an included infrared remote make switching between components quick and effortless. Supporting up to 250 watts per channel into 4 ohms, the LC30 combines high-power signal handling with a premium aluminum chassis that complements both modern and traditional Hi-Fi systems.\u003c\/p\u003e  \u003cp\u003eAt the heart of the LC30 is its versatile amplifier and speaker switching system. Two sets of stereo amplifier inputs and two sets of passive speaker outputs allow you to create four possible listening configurations, making it easy to compare different amplifiers with the same speakers or evaluate multiple speaker pairs with a single amplifier. Select between Amplifier A and Amplifier B or Speaker 1 and Speaker 2 using dedicated front-panel buttons or the included remote control. The LC30 operates with one amplifier and one speaker pair at a time, providing convenient A\/B comparisons while keeping your system organized and eliminating the need for repeated cable changes.\u003c\/p\u003e  \u003cp\u003eBeyond its switching capabilities, the Fosi Audio LC30 brings a distinctive visual element to your listening space with two large 85 × 45mm analog VU meters. These classic needle-style meters display the signal activity of the left and right audio channels, capturing the dynamics of your favorite music in real time. An adjustable pointer sensitivity knob allows you to fine-tune needle movement to match your system's playback levels, while five backlight settings—100%, 75%, 50%, 25%, and off—let you customize the appearance for different lighting conditions. Whether you're enjoying a quiet evening listening session or showing off your Hi-Fi setup, the LC30 adds a vintage-inspired aesthetic without sacrificing modern convenience.\u003c\/p\u003e  \u003cp\u003eEngineered to preserve the quality of your audio signal, the LC30 uses premium relay-based switching components, thickened copper circuit traces, and high-quality gold-plated speaker terminals to minimize unwanted signal loss. Built-in 390-ohm protective load resistors help reduce the risk of amplifier no-load conditions when switching between connected components. Its broad compatibility accommodates many amplifier designs, including Class A, Class B, Class AB, Class D, BTL, OCL, and compatible tube amplifiers. The precision-engineered internal circuitry is designed for stable, reliable performance while preserving the character of your connected audio equipment.\u003c\/p\u003e  \u003cp\u003eThe LC30's substantial CNC-machined aluminum alloy enclosure provides a durable foundation for desktop listening systems, dedicated Hi-Fi racks, and equipment comparison setups. Its sandblasted and anodized finish delivers a refined appearance that pairs beautifully with traditional stereo equipment and compact modern amplifiers. USB-C power keeps operation straightforward, while the included remote allows convenient control over amplifier selection, speaker switching, and VU meter lighting from your listening position. Whether you're comparing speakers, building a system with multiple amplifiers, or simply looking to add classic analog meters to your setup, the Fosi Audio LC30 is a versatile addition to any serious listening environment.\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 LC30\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSelected Model Variant:\u003c\/strong\u003e LC30-B\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Amplifier selector, passive speaker switcher, and stereo VU meter\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Switches between two connected stereo amplifiers and two pairs of passive speakers\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmplifier Inputs:\u003c\/strong\u003e 2 stereo speaker-level input sets (Amplifier A and Amplifier B)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpeaker Outputs:\u003c\/strong\u003e 2 stereo passive speaker output sets (Speaker 1 and Speaker 2)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Connected Amplifiers:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Connected Speaker Pairs:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailable Switching Configurations:\u003c\/strong\u003e Amplifier A to Speaker 1, Amplifier A to Speaker 2, Amplifier B to Speaker 1, or Amplifier B to Speaker 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSimultaneous Operation:\u003c\/strong\u003e One amplifier and one speaker pair at a time\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpeaker A\/B Switching:\u003c\/strong\u003e Yes\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmplifier A\/B Switching:\u003c\/strong\u003e Yes\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Supported Power:\u003c\/strong\u003e 250 watts per channel at 4 ohms\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt-In Amplifier:\u003c\/strong\u003e No; the LC30 routes speaker-level signals from external amplifiers\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSupported Amplifier Types:\u003c\/strong\u003e BTL, OCL, Class A, Class B, Class AB, Class D, and compatible tube amplifiers\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAudio Connection Type:\u003c\/strong\u003e Speaker-level connections through binding-post terminals\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmplifier Input Connections:\u003c\/strong\u003e Left and right positive\/negative speaker terminals for Amplifier A and Amplifier B\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpeaker Output Connections:\u003c\/strong\u003e Left and right positive\/negative speaker terminals for Speaker 1 and Speaker 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpeaker Terminals:\u003c\/strong\u003e Premium gold-plated binding posts\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTerminal Design:\u003c\/strong\u003e Upward- and downward-oriented terminals for convenient speaker cable connections\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSwitching Mechanism:\u003c\/strong\u003e High-quality relay-based switching\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRelay Components:\u003c\/strong\u003e HKE relays\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInternal Circuitry:\u003c\/strong\u003e Thickened copper foil circuit traces designed to minimize signal loss\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmplifier No-Load Protection:\u003c\/strong\u003e Built-in 390-ohm protective load resistors\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVU Meters:\u003c\/strong\u003e 2 large analog needle-style meters\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVU Meter Channels:\u003c\/strong\u003e Independent left and right channel signal indication\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVU Meter Dimensions:\u003c\/strong\u003e 85 × 45mm each (approximately 3.35 × 1.77 inches)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVU Meter Sensitivity:\u003c\/strong\u003e Adjustable using the central pointer sensitivity knob\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVU Meter Backlighting:\u003c\/strong\u003e Adjustable illumination\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrightness Settings:\u003c\/strong\u003e 5 levels: 100%, 75%, 50%, 25%, and off\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFront-Panel Controls:\u003c\/strong\u003e Amplifier selection, speaker selection, power, VU meter brightness, and pointer sensitivity\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFront-Panel Indicators:\u003c\/strong\u003e Amplifier A, Amplifier B, Speaker 1, and Speaker 2 selection LEDs\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRemote Control:\u003c\/strong\u003e Included infrared remote control\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRemote Functions:\u003c\/strong\u003e Power, Speaker 1\/2 selection, Amplifier A\/B selection, amplifier switching, speaker switching, VU meter backlight on\/off, and brightness adjustment\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRemote Batteries:\u003c\/strong\u003e 2 AAA batteries required, not included\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePower Requirement:\u003c\/strong\u003e DC 5V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePower Connection:\u003c\/strong\u003e USB-C\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUSB-C Function:\u003c\/strong\u003e Power input only; does not support USB audio or data transfer\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChassis Material:\u003c\/strong\u003e Aluminum alloy\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChassis Construction:\u003c\/strong\u003e One-piece CNC-machined enclosure\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExterior Finish:\u003c\/strong\u003e Sandblasted and anodized aluminum\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 236.6 × 143.5 × 77.4mm (approximately 9.31 × 5.65 × 3.05 inches)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1,560g (approximately 3.44 lbs)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAnalog RCA Inputs:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced XLR Inputs:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Connectivity:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWi-Fi Connectivity:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDigital Audio Inputs:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt-In DAC:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeadphone Output:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVolume Control:\u003c\/strong\u003e No; central knob adjusts VU meter pointer sensitivity rather than audio volume\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer Warranty:\u003c\/strong\u003e 24-month limited warranty\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded Accessories:\u003c\/strong\u003e Fosi Audio LC30 amplifier\/speaker selector, infrared remote control, USB-C power cable, and user manual\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eWhat It's Great At\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eConvenient Amplifier and Speaker Switching:\u003c\/strong\u003e Connect up to two stereo amplifiers and two pairs of passive speakers, then switch between four possible combinations without repeatedly disconnecting and reconnecting speaker cables.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eEasy A\/B Audio Comparisons:\u003c\/strong\u003e Dedicated front-panel controls and an included remote make it easy to compare amplifiers or speaker pairs while maintaining a consistent listening setup.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eClassic Analog VU Meter Display:\u003c\/strong\u003e Dual 85 × 45mm analog VU meters provide real-time visual feedback for the left and right audio channels, adding vintage-inspired style to a modern Hi-Fi system.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHigh-Power Signal Handling:\u003c\/strong\u003e Supports amplifier output up to 250 watts per channel into 4 ohms, with relay-based switching, thickened copper circuitry, and premium binding posts designed to preserve audio signal quality.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eAdjustable Visual Experience:\u003c\/strong\u003e Five backlight brightness levels and adjustable VU meter sensitivity allow you to customize the appearance and needle movement to suit your listening environment.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003ePremium Construction and Broad Compatibility:\u003c\/strong\u003e A CNC-machined aluminum enclosure, protective load resistors, and compatibility with many amplifier designs make the LC30 a versatile addition to desktop, home theater, and dedicated two-channel Hi-Fi systems.\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eFAQ Section\u003c\/h4\u003e  \u003cp\u003e\u003cstrong\u003eQ: What does the Fosi Audio LC30 do?\u003c\/strong\u003e\u003cbr\u003e A: The Fosi Audio LC30 is an amplifier and speaker selector that allows you to connect up to two stereo amplifiers and two pairs of passive speakers. It lets you switch between different amplifier and speaker combinations without physically swapping speaker cables. Dual analog VU meters display audio signal activity for an added visual element.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can I connect two amplifiers and two pairs of speakers to the Fosi Audio LC30?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The LC30 features two stereo amplifier input sets and two stereo speaker output sets, providing four possible listening configurations. You can select Amplifier A or Amplifier B and route the selected amplifier to Speaker 1 or Speaker 2 using the front-panel controls or included remote.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can the Fosi Audio LC30 play both speaker pairs simultaneously?\u003c\/strong\u003e\u003cbr\u003e A: No. The LC30 operates with only one amplifier and one pair of speakers at a time. It is designed for switching between speaker pairs or amplifiers rather than playing multiple speaker pairs simultaneously.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: How much amplifier power can the Fosi Audio LC30 handle?\u003c\/strong\u003e\u003cbr\u003e A: The LC30 supports up to 250 watts per channel into 4 ohms. It is designed to handle speaker-level signals from compatible external amplifiers without adding its own amplification. The LC30 does not contain a power amplifier and cannot drive passive speakers on its own.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio LC30 have a remote control?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The LC30 includes an infrared remote that allows you to select between amplifiers and speaker pairs, control power, and adjust VU meter illumination. The remote requires two AAA batteries, which are not included.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can I adjust the VU meters on the Fosi Audio LC30?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The LC30 features a central sensitivity adjustment knob that controls the movement of the analog VU meter needles to accommodate different signal levels. The backlighting also offers five settings: 100%, 75%, 50%, 25%, and off. The sensitivity knob does not adjust your system's audio volume.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Is the Fosi Audio LC30 compatible with Class-D and tube amplifiers?\u003c\/strong\u003e\u003cbr\u003e A: The LC30 is designed to accommodate a broad range of amplifier types, including Class A, Class B, Class AB, Class D, BTL, OCL, and compatible tube amplifiers. It incorporates 390-ohm protective load resistors to reduce amplifier no-load conditions. Because some tube amplifiers require a specific speaker load at all times, always confirm switching and load compatibility with the amplifier manufacturer before connecting one.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio LC30 support Bluetooth, RCA audio, or digital inputs?\u003c\/strong\u003e\u003cbr\u003e A: No. The LC30 is a speaker-level amplifier and speaker switcher rather than a music streamer, DAC, or integrated amplifier. Its audio connections consist of speaker-level binding posts for two amplifiers and two passive speaker pairs. The USB-C connection supplies power to the switching electronics and VU meter functions and does not accept digital audio.\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":62887253934239,"sku":"FOS-LC30B-BLK","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/6910\/4031\/files\/20c8be56-a41d-4fbe-a65c-744fd828c113.jpg?v=1791562553","url":"https:\/\/listenup.com\/products\/fosi-audio-lc30-vu-meter-amplifier-speaker-selector","provider":"ListenUp","version":"1.0","type":"link"}