This bass guitar amplifier features a 20-watt amplifier and an 8-inch driver. It reproduces frequencies from 70 Hz ~ 10 KHz with a total harmonic distortion of 0.5% (typical). It also has a built-in, always active compressor. It features two 1/4″ inputs, with separate volume controls for each input, making it perfect for cramped practice rooms or for instruction. It features a 4-band EQ, with the bass EQ centered at 100 Hz, two mid-range EQs at 600 Hz and 2 KHz, and a treble EQ at 6 KHz. It features a 1/4″ line output with an impedance of 1 kilohm, for directing the output signal to a mixer, recorder, or another amp.