HA 4
4-Channel Headphone Amplifier
The RockBoard® HA 4 is a very compact headphone amplifier which can distribute a stereo input signal to four separate headphones. Each of the four output channels has its own amplifier and its own volume control and delivers professional quality audio to each headphone. Its robust and compact construction makes the HA4 the ideal choice for studio and live situations. Up to four people can listen to the main mix during recording sessions or up to four musicians can listen to a backing track at their preferred volume during practice sessions.
Caution!
This headphone amplifier can generate high sound pressure levels. Continued, unprotected exposure to these high sound pressure levels can cause permanent and irreversible hearing damage. If you notice hearing loss or ringing in your ears, consult a physician.
Details at a glance
- compact headphone amplifier system for stage and studio applications
- four separate high performance stereo amplifiers
- separate volume control for each output
- suitable for all types of headphones
- top sound quality at all volume levels
- high-quality components and robust construction with metal enclosure
- 12V DC / 40 mA, 2.1 x 5.5 mm barrel plug, center negative, power supply included
- input : 1 x 6.35 mm (1/4") TRS jack
- output: 4 x 6.35 mm (1/4") stereo (TRS) jack
- SNR: 82 dB
- THD: 0.009 %
- frequency response: +1 dB / -2 dB @20 Hz -22 KHz
- gain: 20 dBu
- dimensions (L x W x H) incl. knobs and feet: 102 x 58 x 45 mm / 4.02” x 2.28” x 1.77”
- weight: 182 gr / 0.40 lbs
