Mackie HM-400
Professional music gear - detailed information and where to buy
Mackie
HM-400
Product Info
* Prices may vary. Check retailer for current pricing and availability.
The HM-400 is a solid, reliable headphone amp for tracking and live sound. It's a great solution for studios or bands needing individual headphone mixes, offering clean power and flexible routing. Perfect for multi-instrumentalists, vocalists, and anyone needing precise control over headphone levels.
Product Description
- Mackie HM-400
- 19" 4-Channel Headphone Amplifier
- L / R main inputs and L / R stereo outputs
- LED level display with 7 segments / channel and stereo input
- 3 x Headphone outputs / channel
- Aux input on each channel with balance control for mixing the main and the aux signal
- Mute and stereo / 2-channel mode switch per channel
- 12 x Headphone outputs
PROS
- • Excellent channel isolation minimizes bleed between headphone mixes.
- • Robust metal chassis feels built to withstand studio use.
- • Aux input per channel allows for flexible cueing options.
- • Multiple headphone outputs per channel offer great flexibility for tracking.
CONS
- • Limited EQ options; relies on external processing for tonal shaping.
- • The compact 19 in rackmount format may require additional racking.
- • Power supply is internal, limiting portability without a power strip.
Product Video
Key Features
Channels
4
Power
240W (120W + 120W)
Impedance Range
32-600 Ohms
Connections
L/R Main Inputs, L/R Stereo Outputs, 12 x Headphone Outputs, Aux Inputs
Weight
7.7 lbs
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Frequently Asked Questions
While not as pristine as flagship models, the HM-400’s isolation is surprisingly good, minimizing bleed for most tracking scenarios.
Yes, the multiple outputs per channel make it suitable, but consider the overall power needs for a large number of headphones.
No, the balance control blends the aux input with the main input on a per-channel basis, without impacting the overall main mix volume.
