ALCTRON HA4 plus 4-channel Stereo Mini Headphone Amplifier USB Interface Powered Recording Studio Headphone Splitter

HA4 PLUS mini headphone amplifier splits a single stereo signal into four headphone outputs. The unique circuitry delivers top-notch sound even in a harsh environment. Each channel comes with its own level control without interaction. Its USB power supply design allows it powered by PC, phone charger, bank charger etc. High quality steel chassis provides extreme durability.


1、HA4 PLUS mini headphone amplifier splits a single stereo signal into four headphone outputs

2、Its USB power supply design allows it powered by PC

3、Each channel comes with its own level control without interaction

4、High quality steel chassis provides extreme durability

Line inputs

* Type: 1/4’’ TRS connector, stereo
* Impedance: 100kΩ max, 10kΩ min
* Max input level: +20dB

Headphone outputs

* Type: 1/4’’ TRS connector, stereo
* Impedance: 47Ω
* Max output level: 40mW in 100Ω
* Power supply: USB 5V
* Dimensions: 110mm*60mm*48mm