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PreSonus HP4

RRP $179.00
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Product Overview

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!

Applications

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.

Features

Details on the full range of features are available under the Downloads tab above

4 screaming-loud (150 mW per channel) headphone amplifiers, each with:
    Headphone level control
    Mono summing switch

Monitor level control
Monitor mute switch
Daisy-chain multiple units via monitor outputs

Input/Output
2 balanced ¼” line inputs
4 stereo ¼” headphone outputs (on front panel)
2 balanced ¼” line outputs (monitor outputs)

Physical
Compact 1/3U rack-mount chassis
External 16 VAC power supply
Optional 3UMR rack adapter

Specifications

Full specifications are available under the Downloads tab above

  • Input
  • TRS Impedance    10K Ohms
  • Panel Controls
  • Headphone Level    1 to 12
  • Monitor / Feed Output    -80dB to +10dB
  • Mono Switch    
  • Monitor / Feed Mute    
  • Power Supply
  • Type    Linear
  • Input    16VAC/1000mA (factory configured)
  • Output
  • TRS Balanced    51 Ohms Impedance
  • Performance
  • THD+Noise (Unweighted)     0.002%
  • Noise Floor    -98dB
  • Signal To Noise    >95dB
  • Power Supply Rejection    >98dB
  • Power    16 Watts
  • Physical
  • Weight    5lbs.
  • Dimensions    5.5 x 5.5 x 1.75
  • Mounting    Max Rack and Universal Rack Tray
  • Chassis    Steel
  • Panel    Brushed Aluminum
  • Sides    Cast Aluminum

Product Downloads

  • HP4 Manual PDF 0.3 MB
  • HP4 HP4 Front JPG 1.3 MB
  • HP4 HP4 Rear JPG 1.1 MB

Videos

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*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the HP4.