Use the Rolls HA43 4-channel headphone amplifier when you need to expand or generate headphone channels. It has a ¼” stereo input, four volume controls, four ¼” stereo output jacks and is powered by an AC adapter (included). Frequency response is 20Hz to 20kHz.
- Stereo 1/4" and Dual RCA Inputs.
- Slider Volume controls.
- AC adapter included.
- Lots of output level.... it's loud!