{"product_id":"jbl-quantum-400-wired-gaming-headphones-clearance-open-box","title":"JBL Quantum 400 Wired Gaming Headphones - Clearance \/ Open Box","description":"\u003ch3\u003eJBL Quantum 400 Wired Gaming Headphones\u003c\/h3\u003e \u003cp\u003eStep into a world of immersive gaming with the JBL Quantum 400 Wired Over-Ear Gaming Headset, engineered for precision and performance. With JBL’s QuantumSOUND Signature, this headset offers competitive-grade audio that keeps you alert and engaged, helping you anticipate every move in real-time. Featuring a flip-up bi-directional microphone with voice focus, memory foam ear cushions, and a lightweight headband, comfort and clarity are prioritized for long gaming sessions. Compatible across platforms including PC, Mac, PS4, Xbox One, Nintendo Switch, and mobile, the JBL Quantum 400 ensures you’re ready to game on any device with maximum versatility and control.\u003c\/p\u003e \u003ch4\u003eSpecifications\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDriver Size:\u003c\/strong\u003e 50mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDriver Magnet Type:\u003c\/strong\u003e Neodymium\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeadphone Frequency Response:\u003c\/strong\u003e 20 Hz – 20 kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 32 Ohms\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMicrophone Type:\u003c\/strong\u003e Bi-Directional\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMicrophone Sensitivity:\u003c\/strong\u003e -40 dB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMicrophone Frequency Response:\u003c\/strong\u003e 100 Hz – 10 kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Wired – USB Type A and 3.5mm Audio Cable\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCord Length:\u003c\/strong\u003e 9.80 ft (3.00 m)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlatform Compatibility:\u003c\/strong\u003e PC, Mac, PS4, Xbox One, Nintendo Switch, Mobile\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e Discord Certified, TeamSpeak Compatible\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEar Cushions:\u003c\/strong\u003e Memory Foam\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIn the Box:\u003c\/strong\u003e Headset, USB Cable, 3.5mm Audio Cable\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited (Parts \u0026amp; Labor)\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eKey Features List\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePowerful 50mm Drivers:\u003c\/strong\u003e Enjoy deep bass and sharp high tones with JBL’s QuantumSOUND Signature, delivering immersive soundscapes tailored for competitive gaming.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoice-Focused Flip-Up Mic:\u003c\/strong\u003e Communicate clearly with teammates using the noise-reducing bi-directional microphone that flips up to mute when not in use.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAudio Control Dial:\u003c\/strong\u003e Easily balance game and chat audio using the integrated dial, ensuring you never miss a crucial detail during team coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSuperior Comfort Design:\u003c\/strong\u003e Plush memory foam ear cushions and a lightweight, adjustable headband keep you comfortable through extended sessions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile Connectivity:\u003c\/strong\u003e Comes equipped with both USB Type A and 3.5mm jack for seamless use across PC, Mac, consoles, and mobile devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMultiplayer Certified:\u003c\/strong\u003e Officially certified for Discord and compatible with TeamSpeak, giving you reliable performance across communication platforms.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eQ\u0026amp;A\u003c\/h4\u003e \u003cdl\u003e \u003cdt\u003e\u003cstrong\u003eQ: What is the JBL Quantum 400?\u003c\/strong\u003e\u003c\/dt\u003e \u003cdt\u003eA: It's a wired gaming headset with JBL QuantumSURROUND™, DTS headphone:X v2.0, a voice focus boom mic, and memory foam cushions. It’s designed for immersive gaming sound and long-term comfort.\u003c\/dt\u003e \u003cdt\u003e\u003cstrong\u003eQ: What devices is it compatible with?\u003c\/strong\u003e\u003c\/dt\u003e \u003cdt\u003eA: PC, Xbox One\/Series X|S, PlayStation 4\/5, Nintendo Switch.\u003c\/dt\u003e \u003cdt\u003e\u003cstrong\u003eQ: What are the key features?\u003c\/strong\u003e\u003c\/dt\u003e \u003cdt\u003eA: JBL QuantumSURROUND™ for immersive surround sound.\u003c\/dt\u003e \u003cdt\u003eA: JBL QuantumSOUND Signature for precise audio cues.\u003c\/dt\u003e \u003cdt\u003eA: Memory foam ear cushions and lightweight headband.\u003c\/dt\u003e \u003cdt\u003eA: Game-chat balance dial.\u003c\/dt\u003e \u003cdt\u003eA: Certified for Discord and compatible with TeamSpeak.\u003c\/dt\u003e \u003cdt\u003e\u003cstrong\u003eQ: How do I configure 7.1 Surround on PC?\u003c\/strong\u003e\u003c\/dt\u003e \u003cdt\u003eA: Search for \"Sound\" → Select “Change System Sounds.”\u003c\/dt\u003e \u003cdt\u003eA: Set Quantum headset as default for Speakers and Communications.\u003c\/dt\u003e \u003cdt\u003eA: Right-click \"Speakers\" → “Configure Speakers.”\u003c\/dt\u003e \u003cdt\u003eA: Select “7.1 Surround” and proceed through prompts.\u003c\/dt\u003e \u003cdt\u003eA: Setup saves after reboots or reconnections.\u003c\/dt\u003e \u003cdt\u003e\u003cstrong\u003eQ: How do I stop hearing my own voice (sidetone)?\u003c\/strong\u003e\u003c\/dt\u003e \u003cdt\u003eA: Open JBL QuantumENGINE → Microphone tab → Set sidetone to 0.\u003c\/dt\u003e \u003cdt\u003e\u003cstrong\u003eQ: Does RGB lighting work with all connections?\u003c\/strong\u003e\u003c\/dt\u003e \u003cdt\u003eA: Only with USB (e.g. on PS4). No RGB when using a 3.5mm jack.\u003c\/dt\u003e \u003cdt\u003e\u003cstrong\u003eQ: How do I clean the headset?\u003c\/strong\u003e\u003c\/dt\u003e \u003cdt\u003eA: Use a damp cloth. Do \u003cstrong\u003enot\u003c\/strong\u003e let water enter the speaker chamber.\u003c\/dt\u003e \u003cdt\u003e\u003cstrong\u003eQ: How do I set up the microphone?\u003c\/strong\u003e\u003c\/dt\u003e \u003cdt\u003eA: Only use one voice chat app at a time.\u003c\/dt\u003e \u003cdt\u003eA: Flip the mic fully down until it clicks.\u003c\/dt\u003e \u003cdt\u003eA: Red LED = muted.\u003c\/dt\u003e \u003cdt\u003eA: Check PC Sound settings: Control Panel → Sound → Recording → Set Quantum headset as default → Adjust Levels under Properties.\u003c\/dt\u003e \u003cdt\u003e\u003cstrong\u003eQ: How do I balance game and chat audio?\u003c\/strong\u003e\u003c\/dt\u003e \u003cdt\u003eA: Rotate the balance dial. A notch indicates 50\/50 balance. (Quantum ONE uses a visual slider.)\u003c\/dt\u003e \u003cdt\u003e\u003cstrong\u003eQ: What can you do with JBL QuantumENGINE software?\u003c\/strong\u003e\u003c\/dt\u003e \u003cdt\u003eA: Adjust EQ and spatial sound.\u003c\/dt\u003e \u003cdt\u003eA: Configure RGB lighting.\u003c\/dt\u003e \u003cdt\u003eA: Manage mic settings.\u003c\/dt\u003e \u003cdt\u003eA: Update firmware.\u003c\/dt\u003e \u003c\/dl\u003e \u003cp\u003e\u003ca href=\"https:\/\/storage.googleapis.com\/lupublic\/JBLQuantum400QuickStartGuide.pdf\"\u003eQuantum 400 Quick Start Guide\u003c\/a\u003e\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":62654009639071,"sku":"JBL-OBX-QUANTUM400-BLK","price":79.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/6910\/4031\/files\/321bc144-784f-45c8-9116-5c25e2ddd956.jpg?v=1769097507","url":"https:\/\/listenup.com\/products\/jbl-quantum-400-wired-gaming-headphones-clearance-open-box","provider":"ListenUp","version":"1.0","type":"link"}