H4 Professional 4-Channel Stereo Headphone Amplifier & USB Audio Interface
Premium-grade aluminum alloy casing ensures durability while maintaining a lightweight, portable design. High-precision circuitry delivers crystal-clear audio with ultra-low distortion (THD <0.001%) across all channels. Dual headphone outputs support simultaneous monitoring with independent volume control—ideal for studio collaborations or DJ setups. USB-powered for plug-and-play compatibility with DAWs, perfect for home recording and mobile producers. Advanced signal processing chip enables 24-bit/192kHz high-resolution audio, capturing every detail for critical listening. Compact footprint fits seamlessly into tight studio spaces or travel rigs. Switchable gain settings accommodate both high-impedance headphones (up to 600Ω) and sensitive IEMs. Gold-plated connectors prevent corrosion for stable signal transmission over years of use. Versatile applications: Podcast mixing, live sound checks, audiophile listening sessions, and multi-track recording setups. Backed by global wholesale pricing—bulk orders available for studios and retailers.