Presonus HP4 4 Channels Headphone Distribution Amplifier

PreSonus HP4

The HP4 from PreSonus answers the need for a headphone distribution amplifier with professional specifications in a small package at an affordable price. It is designed with four discrete headphone outputs on the front panel, each with its own volume potentiometer and 150mW of amplification per channel.


Presonus HP4 4 Channels Headphone Distribution Amplifier

Now Hear This!

Are you and your session players and bandmates tired of straining to hear underpowered headphones? We were too. That’s why Jim Odom and his jambalaya-fueled team of engineers designed 150 mW headphone amps for the HP4 headphone-distribution system. These headphone amps are not just loud enough for session and stage use, they’re loud enough to explode the oysters in a Po’ Boy sandwich. Yet the sound is clear and clean, with a wide dynamic range. At last, everybody will be able to hear—assuming they are capable of hearing. Be careful with that level control!

As with other Max Rack products, simplicity is the hallmark of the HP4. You get left and right line inputs, left and right line outputs with level control, and the four headphone outs. You can globally mute the headphone outs, adjust the overall headphone level, and sum the stereo signals to mono.

Like other processors in our Max Rack series, the HP4 can sit on a tabletop or can be mounted in 1/3 rackspace, using the optional 3UMR rack adapter. And if your needs grow, you can use the line outputs to feed the inputs of a second HP4 or an HP60. Chain as many headphone systems as you need.

So listen up! Quit struggling with mediocre headphone amps. Get the HP4 and hear everything loud and clear. You owe it to your music.

* 4 screaming-loud (150 mW per channel) headphone amplifiers
* Monitor level control
* Monitor mute switch
* Daisy-chain multiple units via monitor outputs


Number of Channels 4
Input Connections 1 x 1/4" TRS Input
Output Connectors 4 x High Power 1/4" TRS Outputs
Maximum Output Level -80dB to +10dB; 51 Ohm Impedance
Function Controls Headphone Level, Monitor / Feed Output, Mono Switch, Monitor / Feed Mute
Frequency Response 10Hz to 50kHz
THD + N 0.002%
Noise -98dB
Display No
Dimensions 5.5 x 1.75 x 5.5" (140 x 44 x 140mm)
Weight 5 lbs (2.3kg)

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