AKG HP4/K77 Headphone Two Pack  

Product #500890

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Item Note:

This product has been discontinued but may be available as a Open Box item.

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Let the band members hear each other and themselves.

This pack includes the Presonus HP4 Discrete 4-Channel Headphone Amp, and two AKG K77 Headphones.

Presonus HP4 Discrete 4-Channel Headphone Amp

The PreSonus HP4 Headphone Amp features 4 headphone outputs on the front panel, each with its own volume, and 150mW of amplification per channel-extremely loud output with a low -98dB noise floor. It also allows control over control room monitors with a separate volume knob that can be muted using the Monitor Mute button. 1/3 rackspace. The Presonus amp accepts balanced/unbalanced inputs and outputs (1/4" TRS). Input can either be set to stereo or mono (the mono selector button on the front channel simply copies both inputs to both sides). Powered by an external wall-mounted supply.

AKG K77 Headphones

AKG K77 headphones are all-round closed-back performers with solid bass and clean highs. AKG K77 headphones offer you dynamic around-ear sound quality that is perfect for home studios and listening enjoyment. The AKG headphones include comfortable leatherette earpads that allow for extended wear. You get a very accurate listening experience, thanks to an 18Hz-20kHz frequency range. If you perform a lot of desktop recording, engage in late-night rehearsing, or just want to plug into an MP3 player, then these headphones are ideal for you.

  • Presonus HP4 Discrete 4-Channel Headphone Amp
  • 4 discrete headphone outputs
  • Each with its own volume and 150mW of power
  • Extremely loud output with low noise (-98dB noise floor)
  • Allows control over control room monitors with a separate volume knob
  • Control room volume can be muted using the Monitor Mute button
  • 1/3 rackspace
  • Balanced/unbalanced TRS I/O
  • Powered by an external wall-mounted supply
  • AKG K77 Headphones
  • Closed-back circumaural headphones
  • Excellent comfort
  • Dynamic, around-ear, closed-back design
  • Excellent price/performance ratio
  • Great for home recording
  • Leatherette earpads

Let the whole band hear today!


HP4/K77 Headphone Two Pack Specifications:

  • Presonus HP4 Discrete 4-Channel Headphone Amp
    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 (factory configured)

    TRS Balanced: 51 Ohms Impedance

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

    AKG K77 Headphones
    Type: closed-back, dynamic headphones
    Sensitivity: 115 dB/V
    Frequency range: 18 to 20,000 Hz
    Rated impedance: 32 ohms
    Max. input power: 200 mW
    Cable : 2.5 m single-sided (99,9% oxygen-free)
    Connector: stereo mini plug
    Adapter: convertible jack plug (1/8" to 1/4")
    Net weight (without cable): 6.7 oz. (190 g)
    Shipping weight: 14.1 oz., (400 g)
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