Model Number
HD400
Product Overview
HD400 4-Channel Stereo Headphone Amplifier is Harmonai’s multi-channel monitoring distribution solution designed for professional audio applications. The unit features a 1-input / 8-output signal distribution architecture and supports 3.5mm / 6.5mm / RCA interfaces—enabling flexible connection to audio interfaces, mixing consoles, media players, and other sources. Each output channel is independently amplified, ensuring no signal degradation or compromised audio fidelity when multiple headphones are used simultaneously—making it an ideal choice for recording studios, live streaming studios, broadcast rooms, and rehearsal spaces.
Product Type
4-Channel Stereo Headphone Amplifier
Input Interfaces
3.5mm / 6.5mm / RCA — triple-interface compatible
Number of Input Channels
1 channel
Number of Output Channels
8 channels (4 stereo pairs)
Brand
Harmonai
Typical Applications
The HD400’s multi-channel output design makes it widely suitable for multi-user simultaneous monitoring in recording studios, live stream hosts and guests listening concurrently, multi-station audio distribution in broadcast rooms, and independent monitoring for multiple musicians during band rehearsals. Whether you’re a professional audio engineer or a content creator, the HD400 delivers stable, crystal-clear monitoring performance.
For more information on Harmonai’s professional audio equipment solutions—or to request bulk purchase pricing—please contact us for technical support.
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