Presonus HP4 4-Channel Headphone Amplifier

Presonus HP4 4-Channel Headphone Amplifier

Brands:Presonus
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$ 156.36

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SKU: HP4 Category:
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Description

PRESONUS HP4 4-CHANNEL HEADPHONE AMPLIFIER

 

Now hear this!
Are you and your session players and bandmates tired of straining to hear underpowered headphones? We were too, so we created the HP4 headphone-distribution system. These headphone amps are louder than you’re ever likely to need for session and stage use, so be careful with that level control! Yet the sound is clear and clean, with a wide dynamic range. At last, everybody will be able to hear!

 

Simple and versatile.
Simplicity is the HP4’s hallmark. You get left and right line inputs, left and right line outputs with level control, and the four headphone outs. You can sum the stereo signals to mono, adjust the individual headphone levels, and mute the rear-panel Monitor outputs while leaving the headphone outputs active. So while the HP4 is simple to set up and use, it has all the features you need to create a versatile headphone system.

 

Compact and expandable.
The compact HP4 can sit on a tabletop or can be screw-mounted to a standard rack tray (not included), where it requires just 1/3 rackspace. And if your needs grow, you can use the line outputs to feed the inputs of a second HP4 or the larger HP60 headphone amplifier. So quit struggling with mediocre headphone amps. Get the HP4 and hear everything loud and clear. You owe it to your music.

 

 

Features

Input/Output

  • 4 screaming-loud (130 mW per channel) stereo ¼” headphone outputs (front panel)
  • 2 balanced ¼” line outputs (monitor outputs)
  • 2 balanced ¼” line inputs

Meters, Controls, and Features

  • Headphone level control for each channel
  • Mono summing switch for each channel
  • Monitor level control
  • Monitor mute switch
  • Daisy-chain multiple units via monitor outputs

Physical

  • Compact 1/3U rack-mount chassis
  • Sealed, detented, metal rotary controls
  • External 16 VAC power supply

 

Specification

Audio Inputs
Internal Talkback Microphone
Gain Range: +15 to +55 dB
Type: Electret condenser
Sensitivity -42 dB

 

Stereo 1 and Stereo 2 Inputs
Type: ¼” TRS Active Balanced
Input Impedance (Balanced): 10 kΩ
S/N Ratio (1 kHz @ +10 dBu, Unity Gain): >105 dB
THD+N (unwtd, 1 kHz @ 0 dBu Output, Unity Gain): <0.0075%
Frequency Response (±0.5 dB): 10 Hz to 65 kHz
Noise Floor (20 Hz to 20 kHz, 150Ω input termination): -96 dBu
Maximum Input Level (Minimum Gain, 1 kHz @ 0.5% THD+N): +22 dBu

 

Auxiliary Inputs
Type: RCA Active Unbalanced
Input Impedance: 47.5 kΩ
S/N Ratio (1 kHz @ 0 dBu, Unity Gain): >115 dB
THD+N (unwtd, 1 kHz @ 0 dBu Output, Unity Gain): <0.01%
Frequency Response (±0.5 dB): 10 Hz to 50 kHz
Gain Range: 80 dB to +10 dB

 

S/PDIF
Types: RCA 75Ω coax
Dynamic Range: 113 dB
THD+N: 0.0025% (1 kHz @ -1 dBFS)
Maximum output at 0 dBFS: +18 dBu
Sample Rates: 44.1, 48, 88.2, 96 kHz
Input Meters (ST1, ST2, and Aux only)
Type: Dual 8-segment LED w/peak hold
Sensitivity Range: -24 dB to 0 dB

 

Audio Outputs
Type ¼” TRS Active Balanced
Output Impedance (Balanced): 51Ω
THD+N (unwtd, 1 kHz @ 0 dBu, Unity Gain): <0.01%
Frequency Response (±0.5 dB): 10 Hz to 50 kHz
Speaker A, B, and C
Trim Range: -80 dB to 0 dB
Main Level Range: -80 dB to 0 dB
Dim Attenuation Range: -30 dB to -6dB

 

Cue
Cue Level Range: -80 dB to 0 dB
Dim Attenuation (Talkback activated): -20 dB

 

Headphones
Type: ¼” TRS Active Stereo
Maximum Output (60Ω load): 150 mW / channel
Frequency Response (±1.0 dB): 10 Hz to 50 kHz
Power
Power Supply Type: External DC Transformer/Internal Line
Input Connector Type: Barrel, 5.5 mm outside diameter, 2.1 mm inside diameter
Monitor Station Input Voltage Range: 18 VDC
Power Requirements (Continuous): 10W

 

Physical Dimensions
Height: 2.5” (63.5 mm)
Depth: 8.5” (216 mm)
Width: 9” (228.6 mm)
Weight: 6 lbs. (4.54 kg)

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