Harley Benton Block-800B, Amp Head for Electric Bass, Power: 800 W @ 4 Ohm, Class-D ICE power amplifier, 4-Band EQ, Smart Compressor, DI output with pre/post and lift/ground switches, High/Low switch for active/passive bass, Mute function, Tuner output, Line input with volume control, Headphone output, FX loop, Speaker Twist speaker connections - at least 4 Ohm, Power supply: 100-240 V - 50/60 Hz, Dimensions: 240 x 255 x 88 mm, Weight: 2.9 kg, Compatible bag: Article number #194575# (not included)