{"product_id":"hz400-4-channel-low-noise-stereo-headphone-amplifier","title":"HZ400 4-Channel Stereo Headphone Amplifier | Low Noise","description":"\u003ch2\u003eHZ400 4-Channel Low Noise Stereo Headphone Amplifier\u003c\/h2\u003e\n\u003cp\u003eElevate your listening experience with the \u003cstrong\u003eHZ400 4-Channel Low Noise Stereo Audio Amplifier\u003c\/strong\u003e — a professional-grade headphone amplifier designed for music enthusiasts, sound engineers, guitarists, and studio professionals alike. Whether you're mixing tracks, monitoring recordings, or simply enjoying your favourite music with premium headphones, the HZ400 delivers clean, powerful, and detailed audio performance.\u003c\/p\u003e\n\n\u003cp\u003eThis compact yet powerful unit boosts the output power of your music equipment while preserving every sonic detail, giving mid-to-high-end headphones the drive they need to perform at their best. Its 4-channel design makes it ideal for shared listening sessions, studio monitoring, or connecting multiple audio sources simultaneously.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Channel Output:\u003c\/strong\u003e Connect up to 4 sets of headphones at once — perfect for group monitoring, recording sessions, or collaborative listening.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Noise Design:\u003c\/strong\u003e Engineered to minimize interference and background hiss, delivering crystal-clear stereo audio reproduction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Amplification:\u003c\/strong\u003e Increases output power from sound mixers, PCs, guitars, and other music equipment for a fuller, richer sound.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTuning Capability:\u003c\/strong\u003e Fine-tune your audio signal to bring out the nuanced details and dynamic tension in your music.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal Body:\u003c\/strong\u003e Sleek black metal construction built for studio and stage durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Type-C Powered:\u003c\/strong\u003e Modern, convenient power delivery via included Type-C cable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e Sound mixers, PCs, laptops, guitars, keyboards, and other audio equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HZ400\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stereo Headphone Amplifier \/ Effects Processor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concern Chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSET 1 includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 4-Channel Headphone Amplifier (HZ400)\u003c\/li\u003e\n  \u003cli\u003e1 × Type-C Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSET 2 includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 4-Channel Headphone Amplifier (HZ400)\u003c\/li\u003e\n  \u003cli\u003e1 × Type-C Cable\u003c\/li\u003e\n  \u003cli\u003e1 × Adapter Cable\u003c\/li\u003e\n  \u003cli\u003e1 × Adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Only the listed package contents are included. Due to lighting and display differences, the actual product color may vary slightly from images. Measurement tolerance: ±1–3 cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-inflatable-waist-cushion-travel-waist-support-portable-inflatable-waist-cushion-travel-pillow-complimentary-storage-bag\"\u003ePortable Inflatable Waist Support Cushion – Great for Studio \u0026amp; Travel\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10cm-wireless-led-motion-sensor-night-light-type-c-rechargeable-cabinet-wardrobe-lamp-for-staircase-backlight-kitchen-lighting\"\u003eType-C Rechargeable Wireless LED Night Light\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003ePrecision Mini Hand Saw – Compact \u0026amp; Portable Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices is the HZ400 4-Channel Headphone Amplifier compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The HZ400 headphone amplifier is compatible with a wide range of audio equipment including sound mixers, PCs, laptops, guitars, keyboards, and other music devices with standard audio outputs. It's a versatile addition to any home studio or performance setup.\u003c\/p\u003e\n\u003ch4\u003eQ: How many headphones can I connect to this amplifier at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: The HZ400 features 4 independent channels, allowing you to connect up to 4 pairs of headphones simultaneously — ideal for group monitoring, studio sessions, or shared listening.\u003c\/p\u003e\n\u003ch4\u003eQ: How is the HZ400 amplifier powered?\u003c\/h4\u003e\n\u003cp\u003eA: The HZ400 is powered via a modern USB Type-C connection. A Type-C cable is included in both SET 1 and SET 2 package options. SET 2 also includes an adapter cable and adapter for additional connectivity flexibility.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between SET 1 and SET 2?\u003c\/h4\u003e\n\u003cp\u003eA: Both sets include the HZ400 4-Channel Amplifier and a Type-C cable. SET 2 additionally includes an adapter cable and an adapter, giving you greater compatibility with a wider variety of audio sources and devices.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices is the HZ400 4-Channel Headphone Amplifier compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The HZ400 headphone amplifier is compatible with a wide range of audio equipment including sound mixers, PCs, laptops, guitars, keyboards, and other music devices with standard audio outputs. 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