Behinger HA4700 Powerplay Pro XL Headphone Amplifier
With the introduction of the POWERPLAY PRO-XL HA4700, BEHRINGER announces the successor of the popular HA4600 headphone amplifier distribution systems. The new HA4700 offers four high-power amplifiers that can now drive loads down to 8 Ohms and offers improved sound performance and comprehensive new signal routing and mixing functions, which no other headphone amplifier can match. The HA4700 is currently shipping worldwide.
Features
Professional, multi-purpose headphones amplifier system for stage and studio applications
Highest sonic quality with virtually all types of headphones >8 Ohms even at maximum volume
Four independent high-power amplifier sections provide up to four stereo mixes with individual balancing
Each input/aux section can be separately set to capture individual demands for 'more me mixing'
Stereo aux input for each channel allows you to mix in any instrument or sound source
Multi-functional ST./2-CH switch on each channel allows for either stereo playback or double mono operation
Ultra-musical high and low EQ per channel for perfect sound adaptation
Output level control with accurate 8-digit LED output meter per channel
Left & right mute switches for each channel allow two different mixes in mono mode
One front and two rear 1/4 in. TRS output connectors on each channel
Direct front panel input connector for easy connection of any sound source
Paralleled main outputs allow cascading of several headphones amplifiers
Servo-balanced, gold-plated XLR and 1/4 in. TRS inputs and outputs
Ultra low-noise 4580 operational amplifiers for outstanding audio performance
High-quality detented ALPS® potentiometers and illuminated switches
High-quality components and exceptionally rugged construction for long life and durability
Toroidal transformer for lowest noise interference and highest audio quality
Designed in Germany. Manufactured under ISO9000 certified management system
Technical Info
Specifications
Funtion Controls
Input Level: Variable
Balance per channel: Mix between Aux and Main signals / Balance between right and left channel
Output Level per channel: Variable
Treble: Cutoff frequency: 6 kHz; range +/- 12 dB
Bass: Cutoff frequency: 200 Hz, range +/- 12 dB
Function Switches
Stereo/2-Channel: Switches between stereo mode and 2-channel mode
Left Mute: Mutes the left signal of the respective channel
Right Mute: Mutes the right signal of the respective channel
DISPLAYS
Input Level: 4-digit LED-display: -30/-12/0 dB/CLIP
Output Level: 8-digit LED-display: -30/-24/-18/-12/-6/-3/0 dB/CLIP
Power Supply
Mains voltage: USA/Canada 120 V~, 60 Hz
Power consuption: 34 W
Fuse: 100 - 120 V~: T 630 mA H
Mains connection: Standard IEC receptacle
Dimensions and Weight
Dimensions (H x W x D): Approximately 1-3/4 in. x 19 in. x 8-1/2 in. (approx. 44.5 x 482.6 x 217 mm)
Weight: Approx. 5.08 lbs (approx. 2.3 kg) 
