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Presonus

Presonus HP4 4-Channel Headphone Amplifier

Presonus HP4 4-Channel Headphone Amplifier

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. Thats 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, theyre 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!

Simplicity is the HP4s hallmark. You get left and right line inputs, left and right line outputs with level control, and the four headphone outs. You can adjust the overall headphone level, sum the stereo signals to mono, and mute the rear-panel Monitor outputs.

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.

Inputs

Connector Type TRS, balanced
THD+N 0.0025%, 1 kHz, unity gain
Max Input Level +18 dBu, <0.5% THD+N, unity gain 
Input Impedance 10 kOHM
Frequency Response 20 Hz - 20 kHz, ±0.5dB

Monitor Outputs

Connector Type TRS, asymmetrical, impedance-balanced
THD+N 0.0025%, 1 kHz, unity gain 
Max Output Level +18 dBu, <0.5% THD+N
Output Impedance 51OHM
Frequency Response 20 Hz - 20 kHz, 0.5dB 

Headphone Outputs

Connector Type TRS, stereo
Max Output Power 130 mW/Ch., <0.5% THD+N, 60OHM load
Frequency Response 20 Hz - 20 kHz, ±0.5 dB, 60OHM load
Headphone Impedance Working Range 32 - 600 OHM

Power

External Adapter Type +12 VDC, 1000 mA, center pin positive

Physical

Dimensions 1/3U rack-mount (with standard rack tray, not included)
Height 1.75 (44.45 mm)
Depth 5.5" (139.7 mm)
Width 5.5 (139.7 mm)
Weight 5 lbs (2.27 kg)

 

 

 

 

 

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