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.
The HP4 also features adjustment capability for control-room monitors with a separate volume control, monitor mute switch and mono switch, thus giving you an extremely powerful monitoring solution at an amazingly low price.
General Specifications
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| Number of Channels | 4 |
| Function Controls | Headphone Level, Monitor / Feed Output, Mono Switch, Monitor / Feed Mute |
| Frequency Response | 10Hz to 50kHz |
| THD + N (%) | 0.002% |
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| Input Connections (Rear) | 1 x 1/4" TRS Input |
| Output Connectors (Front) | 4 x 1/4" TRS Outputs |
| Maximum Output Level (dBm) | -80dB to +10dB; 51 Ohm Impedance |
| Noise (dB) | -98dB |
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| Weight (kg) | 2.3kg |
| Dimensions | H 45mm
W 140mm
D 140mm |
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| One (1) Year Limited Warranty | |
