PreSonus HP4 4 Channel Headphone Amplifier

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    Product Description

    The PreSonus HP4 answers the need for a headphone distribution amplifier with professional specifications in a small package at an affordable price. The HP4 features 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 over control room monitors with a separate volume control, monitor mute switch and mono switch giving you an extremely powerful monitoring solution at an amazingly low price.

    To my amazement, your HP4 sounded as good as both of my hi-fi stereo heaphone amps. Very very clean and loud. I can't believe you put 150 mw per channel, @52 ohms, to four headphone outputs and offer such a quality unit for very little over $100. (M. Burke via email)

    PreSonus HP4 Headphone Amplifier 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

    Product Specifications

    PreSonus HP4 Headphone Amplifier Specifications

    • TRS Impedance: 10K Ohms

      Panel Controls

    • Headphone Level: 1 to 12
    • Monitor / Feed Output: -80dB to +10dB
    • Mono Switch: Monitor / Feed Mute

      Power Supply

    • Type: Linear
    • Input: 16VAC/1000mA


    • TRS Balanced: 51 Ohms Impedance


    • THD+Noise (Unweighted): 0.002%
    • Noise Floor: -98dB
    • Signal To Noise: >95dB
    • Power Supply Rejection: >98dB


    • 16 Watts


    • Weight: 5lbs.
    • Dimensions: 5.5 x 5.5 x 1.75
    • Mounting: Max Rack and Universal Rack Tray
    • Chassis: Steel
    • Panel: Brushed Aluminum
    • Sides: Cast Aluminum

    Helpful Info about the Manufacturer
    Phone:  225-216-7887 Warranty:  New Products: 1 Year. WorxAudio, AIR, and ULT loudspeakers: 6 years. B-stock: 90 Days.
    Customer Reviews
    MSRP: $159.00
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