Mackie HM-800 – 8-Channel Rackmount Headphone Amplifier for Studio & Stage

The Mackie HM-800 is a professional 8-channel headphone amplifier built for studios, rehearsal spaces and live monitoring setups that require reliable, high-power headphone distribution. With flexible routing, per-channel control and a rugged rackmount design, it ensures clear, consistent monitoring for musicians, engineers and performers.

Key Features

• 8 independent headphone channels: Provide ample monitoring options for full bands, podcast groups or multi-performer sessions.
• Dual stereo main inputs: Two stereo sources can be fed to all channels for shared mixes in larger sessions.
• Per-channel aux inputs: Each channel can blend the main mix with its own dedicated 1/4″ stereo input for custom musician mixes.
• Stereo/mono switching: Adapt monitoring to the needs of each performer or session setup.
• Clear visual metering: 7-segment LED meters for main and channel levels provide fast, accurate monitoring feedback.

Customer Benefits

The HM-800 gives every performer exactly what they need in their headphones. Musicians can tailor their mix independently, engineers can maintain consistent output across all channels and studios can scale monitoring without expensive or complex routing systems. Its robust metal construction ensures long-term reliability in demanding environments.

Quick Specs

• Inputs: 2 × stereo main inputs (4 × 1/4″), 8 × per-channel stereo aux inputs (1/4″)
• Outputs: 16 × stereo headphone outputs (2 per channel, 1/4″)
• Controls: Stereo/mono switch, input select, output level per channel
• Metering: 7-segment LED meters for main in and each channel out
• Form factor: 1U rackmount

What’s in the Box

• Mackie HM-800 headphone amplifier
• Power cable
• Documentation

Use Cases / Ideal For

Recording studios, rehearsal spaces, podcast groups, livestream sets, broadcast environments, multi-musician recording sessions and stage monitoring systems.

Compatibility

Works with all standard headphones, audio interfaces, mixers and signal distribution systems using 1/4″ stereo connections.

Pros & Cons

✅ Pros:

• Eight independent channels with dual outputs per channel
• Main mix + per-channel aux input flexibility
• Rackmount design ideal for professional installations
• Clear metering for fast level checks

⚠️ Cons:

• No 3.5 mm outputs—adapters may be required
• Requires rack space for mounting

The Mackie HM-800 delivers powerful, flexible and reliable headphone distribution, ensuring every performer hears exactly what they need for confident tracking and performance — available at Soundium.