Marshall DSL Series DSL40C 40 Watt Valve 2 Channel Guitar Amplifier Combo 40 watts, All valve, 1x12" Celestion Speaker, 2-way Footswitch Two footswitchable channels - Classic Gain & Ultra Gain Two Modes per channel for extra flexibility. Output power 80 watt Digital Reverb and Level control for each channel. Impedance 16 ohm Shared 5-way EQ - Treble, Middle, Bass, Presence & Resonance