The PS400 bass amp head uses a next-generation class D amplifier that produces a clean 400 watts at 4 ohms. The 3-band EQ provides simple tone adjustments, with the footswitchable mid cut switch and mid cut level control offering more precise shaping. DI out with level control, pre/post EQ select, and ground lift. Effects loop (series or parallel), tuner out, preamp out, and Speakon output connectors provide the features professionals demand.