AKG HP4/K77 Headphone Four Pack  

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

Presonus HP4 Discrete 4-Channel Headphone Amp

The PreSonus HP4 Headphone Amp featur... Read More

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This pack includes the Presonus HP4 4-Channel Headphone Amp and four 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. 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

The K77 headphones are all-round closed-back performers with solid bass and clean highs. They offer you dynamic around-ear sound quality that is perfect for home studios and listening enjoyment. AKG K77 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 perfect for you.

  • 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
  • K77 Headphones
  • Closed-back circumaural headphones
  • Excellent comfort
  • Dynamic, around-ear, closed-back design
  • Excellent price/performance ratio
  • Great for home recording
  • Leatherette earpads
  • 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

    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)
AKG Acoustics, U.S. Limited Warranty

Amended July 19, 2005

AKG Acoustics warrants AKG products against defects in material or workmanship for a period of two years from the date of original purchase, and agrees to repair or, at our option replace any defective unit without charge for either parts or labor. AKG grants a three-year warranty covering selected products (C 12 VR, C 414 B-ULS, C 414 B-TLII, C 414 B-XLS, C 414 B-XLII, C 426 B, C 451 B, C 480 B, C 391 B, C 1000 B, C 2000 S, C 3000 B, C 4000 B, C 4500 B, SolidTube) against defects in material and workmanship.

Warranty is valid for AKG products purchased and delivered within the United States for the original purchaser only. The purchaser's Bill of Sale will serve as proof of sale and warranty validity in the U.S. Shipment of defective items to AKG for repair will be at the customer's own risk and expense. AKG will assume the return shipping cost for all items repaired under warranty.

IMPORTANT: This warranty does not cover damage resulting from accident, misuse or abuse, lack of reasonable care, the affixing of any attachment not provided with the product, loss of parts, or connecting the product to any receptacle other than specified.

This warranty is void unless AKG Acoustics, U.S.'s service center performs the repair. No responsibility is assumed for any special, incidental or consequential damages caused by the consumer. However, the limitation of any right or remedy shall not be effective where law prohibits such.

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