Behringer Powerplay PRO-XL 4 Channel Stereo Headphone Amplifier

The HA4700 offers 4 high-power amplifiers that can drive loads down to 8 Ohms. Each amplifier features its own two-band EQ, 8-digit LED output meter, left and right Mute switches, a ST. /2-CH switch to toggle between stereo or double mono, and a 1/4′′ stereo AUX input to mix in any instrument or sound source. The front panel gives you one Phones Out 1/4′′ jack per channel. A Main section features a 5-segment LED output meter, Direct In 1/4′′ jack and Master Level dial.