Ampeg BA300 300-Watt 2x10-Inch Bass Combo Amp Bundle with 10-Foot Instrument Cable, Pick Card, and Polishing Cloth LF driver: 2 x 10" speakers HF driver: 1 x HF horn w/Level control Preamp: tube (1 x 12AX7) Power amp: solid state, Class D Tone controls: 3-Band EQ