The Behringer HA4700 headphone amplifier is a very full-featured, professional, 4-channel rackmount unit. It provides balanced Main input and output connectivity and 4 independent headphone amplifiers, with individual level, balance and stereo/mono monitoring control, in addition to individual channel EQ's.

Features:

• Professional 4-Channel rack-mountable headphone amplifier for stage and studio use
• 4 independent amplifier sections offer 4 different mixes and individual output level control
• Accepts signal from all console output sections, balanced and unbalanced
• Individual EQ, Balance, Muting, and Stereo/Mono monitoring per channel
• Left and Right Mute switches allow for separate dual-mono mix monitoring per channel
• Individual front panel Aux and Direct inputs per channel
• Balance control allows for individual level control of Main and Direct or Aux input signals
• 8-segment LED output level monitoring per channel
• Servo-balanced Main inputs and outputs, XLR and 1/4" TRS
• 3 headphone outputs per channel, 1 front, 2 rear
• High quality detented potentiometers, illuminated switches
• Supports a wide variety of headphone impedances
• High headroom, high output amplification
• Switchable power supply for international, transformer-free use

Specification:

• Number of Channels: 4
• Input Connections:
  • Main: 2 x XLR Female, Balanced
  • Main: 2 x 1/4" TRS Phone, Balanced
  • AUX In: 4 x 1/4" TRS Stereo Phone
  • Direct In: 5 x 1/4" TRS Stereo Phone
• Output Connectors:
  • Main: 2 x XLR Male(L, R), Balanced
  • Main: 2 x 1/4" TRS Phone (L, R), Balanced
  • 4 x 1/4" TRS Stereo Headphone
  • 8 x 1/4" TRS Stereo Headphone (Rear Panel)
• Maximum Output Level: +24 dBm (load impedance 100 Ohms)
• Function Controls:
  • 1 x Stereo/2-Channel Switch
  • 1 x Main In 1/Main In 2 Switch
  • 2 x Left, Right Mute Switches
  • 1 x Mono Switch
  • 1 x Main Input Level Control Knob
  • 4 x Balance Control Knobs
  • 4 x Output Level Control Knobs
  • 4 x Treble Control Knobs
  • 4 x Bass Control Knobs
• Frequency Response: 10 Hz - 150 kHz +/-3 dB
• THD + N: 0.006% Typical @ +4 dBu, 1 kHz, Gain 1
• Noise: 22 Hz - 22 kHz >90 dB @ 0 dBu
• Display:
  • Input Level: 1 x 4-Digit LED, MAIN
  • Output Level: 4 x 8-Digit LED, PHONES
• Dimensions: 1.75 x 19 x 8.5" (44.5 x 482.6 x 217mm)
• Weight: 5.08 lb (2.3 kg)