Rockboard HA 4 4Channel Headphone Amplifier

RockBoard HA 4 is a compact headphone amplifier system designed for stage and studio use. It distributes one stereo input signal to four separate headphone outputs, making it useful for recording sessions, rehearsals and monitoring applications.

Each of the four output channels has its own amplifier and volume control, allowing each listener to set an individual level. The unit is suitable for all types of headphones and delivers clear sound quality at all volume settings.

Its robust metal enclosure and compact size make the HA 4 easy to integrate into both mobile and fixed setups. The amplifier is powered by the included 12V DC power supply.

Features
Four Separate Stereo Headphone Outputs
Individual Volume Control For Each Channel
Compact Metal Enclosure For Studio And Stage Use

Compatibility
All Types Of Headphones

In The Box
RockBoard HA 4 headphone amplifier
12V DC power supply

Specifications
Input: 1 x 6.35 mm TRS jack
Outputs: 4 x 6.35 mm stereo TRS jack
SNR: 82 dB
THD: 0.009%
Frequency Response: +1 dB / -2 dB @ 20 Hz - 22 kHz
Gain: 20 dBu
Power Supply: 12V DC / 40 mA
Connector: 2.1 x 5.5 mm barrel plug, center negative
Housing: Metal

Dimensions & Weight
Dimensions: 102 × 58 × 45 mm
Weight: 182 g