Mackie HM-800 8-Channel Rackmount Headphone Amplifier Black

The Mackie HM-800 is an 8-channel rackmount headphone amplifier that delivers pristine, high-headroom monitoring for studios, live sound, and broadcast environments. Its eight independent headphone outputs each provide up to +22 dBu of clean power, ensuring every performer or engineer hears exactly what they need with zero coloration.

Advantages

With a dynamic range exceeding 100 dB and THD+N below 0.005%, the HM-800 preserves the integrity of your mix from input to output. Each channel features its own aux input, main 1/2 select switch, and level control, allowing personalized monitor mixes without sacrificing signal quality. The 1U steel chassis fits standard racks and houses a reliable internal power supply, eliminating wall-wart clutter.

Suitable for

• Recording studios requiring multiple headphone feeds for tracking sessions
• Live sound engineers managing in-ear monitors or cue mixes
• Broadcast and podcast setups needing flexible headphone routing
• Educational facilities and houses of worship with multi-listener monitoring needs

Key specifications

• 8 independent headphone channels with 1/4" TRS outputs
• Main inputs: 2 x 1/4" TRS stereo, assignable per channel
• Per-channel aux input: 1 x 1/4" TRS stereo
• Frequency response: 20 Hz – 20 kHz
• Dynamic range: >100 dB
• THD+N: <0.005%
• Headphone output impedance: 3 Ω
• Maximum headphone output level: +22 dBu
• 7-segment LED metering per channel and for main inputs
• 1U rackmount steel chassis with internal AC power supply

Recommendations

For critical monitoring applications where clarity and headroom are paramount, the Mackie HM-800 stands out as a robust, no-compromise solution. Pair it with high-impedance studio headphones to fully exploit its low output impedance and powerful drive capability.