Mackie HM400 | Headphones amplifiers | Power Amplifers

Whether you need to expand your home studio headphone monitoring capability or add robust cue mix distribution, the affordable HM Series offers the sound quality, reliability and flexibility you need to expand your setup. The two 19 "rack-mountable models, HM-400 and HM-800, offer flexible and robust headphone distribution for studios, practice spaces and more.

Features

Main stereo L / R inputs plus stereo L / R outputs
7-segment LED meter per channel plus main
3 headphone outputs per channel
Aux input on each channel with balance control for mixing main and aux signal
Mute and Stereo / 2-Ch mode switches
12 total headphone outputs
Built like a tank
Dimensions: (H) 46 x (W) 483 x (D) 224 mm
Weight: 3.6 kg

Form Factor: Rackmount
Number of Headphone Channels : 4-Channel
Headphone Output Power: 550 mW per Side into 47 Ohms (Max)
EQ : 2-Band EQ per Channel
Display : 5 x Multi-Segment LED Meter

Connectivity
Analog Audio:
I/O 2 x XLR 3-Pin Balanced Input (1 Stereo Pair)
2 x 1/4" TRS Balanced/Unbalanced Input (1 Stereo Pair)
1 x 1/4" TRS Unbalanced Stereo Input
4 x 1/4" TRS Unbalanced Stereo Aux Input
2 x XLR 3-Pin Balanced Output (1 Stereo Pair)
2 x 1/4" TRS Balanced Output (1 Stereo Pair)
12 x 1/4" TRS Unbalanced Headphone Output

Performance
Frequency Response : 20 Hz to 20 kHz ±1 dB
Gain/Trim Range:
Inputs: -66 to +18 dBu
Max Input Level: Line Inputs +15 dBu / Aux Inputs +20 dBu
Max Output Level : Headphone Outputs +21 dBu
Impedance : Headphone Outputs 3 Ohms (Unbalanced) / Inputs 20 Kilohms (Balanced) 10 Kilohms (Unbalanced) / Aux Inputs 10 Kilohms (Unbalanced)
THD: < 0.01% (at +4 dBu, 1 kHz, Unity Gain)
Noise: -66 dB
CMRR: Line Inputs > 42 dB (1 kHz)

Power
Power Requirements : AC Input
AC Input Power: 100 to 120 VAC, 50 / 60 Hz and 220 to 240 VAC, 50 / 60 Hz
Power Consumption : 24 W

Physical
Rackmount Size: 1 RU
Dimensions : 19 x 8.8 x 1.8" / 483 x 224 x 46 mm
Weight: 8.0 lb / 3.6 kg

HM400 - Mackie

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