Phil Jones Bass Combo S-77, Combo Amplifier for Electric Bass, Solid-State design, Power: 100 W RMS, Class D amplifier circuit, 3-Band equaliser with +/- 18 dB boost / cut per band, Ventilated lightweight housing, Speakers: 2x 7"" PJB Ferrite A speakers and 3"" PJB tweeter, Impedance: 8 Ohm, Frequency spectrum: 30 to 20,000 Hz, Level, Bass, Mid, Treble, Master Volume and AUX Input Level controls, 3-Way toggle switch for Mute / Low / High, Power switch, Input: 6.3 mm mono jack, AUX input: 3.5 mm stereo jack, Headphones output: 3.5 mm stereo jack, Line output: 6.3 mm mono jack, IEC cold device socket, Input voltage: 100-240 V AC, Dimensions (W x H x D): 432 x 290 x 317 mm, Weight: 12.5 kg, Power cable with EU plug included