PACKAGE INCLUDES:
Qty: 2
Note: 1 or more items are unavailable for immediate shipping
See Options
1 Year
$15.99
2 Year
$23.99
3 Year
$35.99
Need help? Ask our experts.
Review Summary
Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500
Browse our FAQ
4
20 Hz to 20 kHz (+/-1 dB)
-66 dB
<0.01% (+4 dBu, 1 kHz, unity gain)
Main Input: +15 dBu balanced/unbalanced
Aux Input: +20 dBu unbalanced
Headphone Outputs: 550 mW per channel at 47 Ohms (+21 dBu)
Main Input: >42 dB at 1 kHz
Main Input: -66 to +18 dBu
Female XLR Balanced
Female 1/4" Balanced - Unbalanced
20 kOhms balanced, 10 kOhms unbalanced
10 kOhms unbalanced
Male XLR Balanced
Female 1/4" Balanced - Unbalanced
3 Ohms unbalanced
100 to 120 VAC, 50/60 Hz, 24 W
220 to 240 VAC, 50/60 Hz, 24 W
3-pin IEC 250 VAC, 10 A male
Front power on/off, Front input level meter, Front output level meters, L/R mute switches, St. / 2-Ch switches
1.8 x 19.0 x 8.8" (4.57 x 48.26 x 22.35cm)
8 lbs (3.63kg)
192223101784, 192223075498, 663961054071
Because professional audio quality and versatility are paramount in studio and live performance settings, the HM-400 Rack-Mountable 4-Channel Headphone Amplifier stands out as an essential tool for audio engineers, musicians, and producers. Designed to meet the demands of both intimate home studios and larger practice spaces, this headphone amplifier is engineered to provide superior sound quality and flexible distribution options.
The HM-400 features a sleek 19" rackmount design, allowing for seamless integration into your existing audio setup. Its robust construction, characterized by a heavy-gauge steel chassis, ensures durability and reliability for continuous use. The long-wear potentiometers and switches further attest to the unit's ruggedness, promising longevity in the most demanding environments.
Equipped with premium analog circuitry, the HM-400 delivers an ultra-low noise floor and high headroom, ensuring that your audio remains pristine and clear at all times. This exceptional sound quality is maintained across all 12 headphone outputs, making it ideal for multi-listener environments where clarity is crucial.
Each of the four channels on the HM-400 boasts a dedicated main input with level control, as well as stereo outputs, auxiliary inputs, and customizable EQ settings. This allows for precise tailoring of the audio mix for each listener. The three headphone outputs per channel facilitate multiple connections, ensuring that each musician or listener has access to a personalized audio feed.
The auxiliary input on each channel comes with a balance control, enabling users to blend the main signal with an auxiliary source for a customized cue mix. This feature is particularly useful for performers who need to hear backing tracks or click tracks alongside the main mix.
For ease of monitoring, the HM-400 is equipped with 7-segment LED metering for each channel and the main input, providing visual feedback on signal levels at a glance. Users can also switch between mute and stereo/2-channel modes for each channel, offering additional control over the listening experience.
The inclusion of two 20' Heavy Duty 7mm Rubber XLR Microphone Cables with the HM-400 ensures that you have the necessary accessories to connect your gear right out of the box. These durable cables are designed to withstand the rigors of studio and stage use, providing reliable, noise-free signal transmission.
In summary, the HM-400 Rack-Mountable 4-Channel Headphone Amplifier is a versatile, high-quality solution for audio distribution. Its robust build, exceptional sound fidelity, and comprehensive feature set make it an indispensable component for any audio professional seeking to expand their headphone monitoring capabilities.
https://mackie.com/intl/warranty
866-858-5832