PreSonus HP4 4-Ch Headphone Amplifier

4-channel Headphone Monitor with 150 mWatts at 51 Ohms
PreSonus HP4 4-Ch Headphone Amplifier image 1
PreSonus HP4 4-Ch Headphone Amplifier image 1
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PreSonus HP4 4-Ch Headphone Amplifier
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Small But Powerful Headphone Amp!

The HP4 from PreSonus answers the project studio owner's needs for headphone distribution with professional specifications and more in a small package with an affordable price. The unit comes in a 1/3-rackspace chassis similar to the TubePre. The HP4 accepts balanced/unbalanced inputs and outputs (1/4" TRS). The input can either be set to stereo or mono. The mono selector button on the front channel simply copies both inputs to both sides. Even a small project studio can benefit from having an HP4 on hand!

PreSonus HP4 4-channel Headphone Monitor at a Glance:
  • Small yet versatile
  • Four headphone outputs
  • Ultra-quiet, ultra-controllable

Small yet versatile
Ideal for a modular setup with PreSonus' other popular compact units (TubePre, Comp16, and EQ3B), the HP4 comes packed into a 1/3-rackspace chassis that's super-efficient, durable, and frankly, cool-looking. And its diminuitive size is deceptive: you get an incredible amount of functionality and versatility out of this unit, making it perfect for your individual setup!

Four headphone outputs
The HP4 features four headphone outputs on the front panel each with its own volume potentiometer and 250mW of amplification per channel. For such an affordable unit, you get a great monitoring tool for any studio application.

Ultra-quiet, ultra-controllable
Can you say quiet? PreSonus can with the HP4's -98 dB noise floor and wide frequency response. Also, the HP4 allows control over control room monitors with a separate volume potentiometer that can be muted using the MONITOR MUTE button. The HP4 is powered by an external wall mounted power supply.

PreSonus HP4 4-channel Headphone Monitor Features at a Glance:
  • 4 discrete headphone outputs
  • Dedicated volume pots for each channel
  • Balanced/unbalanced ¼" TRS I/O
  • Super-quiet with -98dB noise floor
  • Wide frequency response
  • Can also serve as control room monitor control with MONITOR MUTE button
PreSonus HP4 - Great-sounding headphone amp for studios from project to pro!

Additional Media

Live Sound Monitor Buying Guide
Studio Monitor Buying Guide
Best Amplifiers for Studio Headphones
5 Pieces of Gear you Need to Run MultiTracks
PreSonus News
PreSonus Introduces Rebate Package

Tech Specs

Input Channels 1
Output Channels 4
Analog Inputs 2 x TRS
Analog Outputs 4 x 1/4" (Headphones), 2 x TRS (Thru)
Controls per Channel Volume
Form Factor Desktop
Height 1.75"
Depth 5.5"
Width 5.5"
Weight 5 lbs.
Manufacturer Part Number HP4

Customer Reviews

Based on 28 reviews
Write your review

Headphone Amp

My PreSonus HP4 4-Channel Headphone amp is awesome. The sound coming out of the headphones sounds so much more clear than ever before, am very impressed. Also the 4 channels makes it easy for my musicians friends to listen in all at once, I made a very good choice. Customer service from Ed Needler at Sweetwater is A-Number 1!

Great Product

Great product that accompanies any home or intermediate audio interface. Very Quiet amplifier with a basic design. My only complaints are that the power supply feels a littles cheap, and that the knobs are numbered to 12, rather than a sensible 10.
Music background: Engineer

Headphone amp

Does the trick. There isn't much more to say. Get it!!

Good for the doe!

This little box has done fine for me... now don't get me wrong it is no Dangerous Music Box as recommended by my Rep Tony Dayton, but I didn't have the doe for the other one and this one so far has done nicely.
Music background: Band-leader, songwriter, engineer

Presonus HP4

This was the missing element for my studio. It's a must have.
Music background: Recording Engineer

Sweetwater Advice

Randy Akins

The cleanest, loudest headphone amp I've ever heard! Drummers love this for recording as they can finally hear their drums through the headphones instead of over them!
See also: Headphone Amps, PreSonus, PreSonus Headphone Amps and Distribution, PreSonus Headphone Amps and Distribution