PreSonus HP4
HP4: 4-Channel Headphone Amplifier
HP4: 4-Channel Headphone Amplifier
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
Technical Specifications
Inputs
Connector Type: ¼” TRS, balanced
THD+N: 0.0025%, 1 kHz, unity gain
Max Input Level: +18 dBu, <0.5% THD+N, unity gain
Input Impedance: 10 kΩ
Frequency Response: 20 Hz - 20 kHz, ±0.5dB
Monitor Outputs
Connector Type: ¼” TRS, asymmetrical, impedance-balanced
THD+N: 0.0025%, 1 kHz, unity gain
Max Output Level: +18 dBu, <0.5% THD+N
Output Impedance: 51Ω
Frequency Response: 20 Hz - 20 kHz, ±0.5dB
Headphone Outputs
Connector Type: ¼” TRS, stereo
Max Output Power: 130 mW/Ch., <0.5% THD+N, 60Ω load
Frequency Response: 20 Hz - 20 kHz, ±0.5 dB, 60Ω load
Headphone Impedance Working Range: 32Ω - 600Ω
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)
UPC | 673454000423 |
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