The HA243 4-Channel Studiophile Headphone Amplifier from Rolls offers professional-quality audio in a compact design. The durable metal chassis provides lasting durability. There are 2 input channels, each of which offers 1/4", RCA and 3.5mm connectors for terrific versatility. Each channel is switchable between mono and stereo modes to meet the needs of your particular application.
There are 4 output channels, each of which can switch between monitoring input channel A and input channel B. Each of the outputs has a 1/4" and a 3.5mm headphone jack for compatibility with a variety of headphones. Each output also has its own level control, so a listener can set the perfect volume without affecting others.