The HA4700 offers 4 high-power amplifiers that can drive loads down to 8 Ohms. Each amplifier features its own 2-band EQ, 8-digit LED output meter, Left and Right Mute switches, a ST./2-CH switch to toggle between stereo or dual mono, and a ¼ " stereo Aux input to mix in any instrument or sound source. The front panel gives you one Phones Out ¼ " jack per channel. A Main section features a 5-segment LED output meter, Direct In ¼ " jack and Master Level dial.