PreSonus HP4

The HP4 answers the project studio owner’s needs for headphone distribution with professional specs in a small package at an affordable price. It accepts unbalanced 1/4" inputs& delivers 1/4" TRS out. The input can be stereo or mono (mono copies to both outs). It features 4-front panel headphone outs w/volume control, -98 dB noise floor, monitor MUTE, and is powered by an external wall mounted power supply.

Features:

• Four High Power Headphone Outputs
• Ultra loud (150mW per channel)
• Ultra quiet operation
• Musical Wide Dynamic Range
• Control Room Monitor Outputs with Level Control
• Mono or Stereo Operation
• Monitor Mute Switch
• Daisy Chain an Infinite Number of Units
• Compact package

Specifications:

• Number of Channels: 1 in, 5 out
• Dynamic Range:>115 dB
• Signal to Noise Ratio:>95 dB
• Headroom: +22 dBu
• Frequency Response: 10 Hz to 50 kHz
• Input Impedance: 10 kohms
• Master Output Impedance: 51 ohms
• THD + Noise:<0.002%
• Internal Operating Level: +0dBu=0dB
• Headphone Output Power: 150 mW
• Input Connectors: 1/4" TRS
• Master Output Connectors: 1/4" TRS
• Power Supply: External, Linear Supply
• Power Requirements: 16 VAC, 1000mA, 20 Watts
• Dimensions: 5.5" x 5.5" x 1.75"
• Weight: 4 lbs.