Item Type: Speaker SimulatorColor: GoldenMaterial: MetalInput Impedance: 1MOutput Impedance: 1KWorking Current: 6mAPower Supply Mode: 1 x 9V battery 6F22 (not included), 9V power adapter (not included) 1[SPEAKER SIMULATION] The speaker simulator can reproduce the sound of the guitar speaker cabinet with good simulation effects. 2[WITH EQUALIZER] With full 3 band equalizer and voice knob, adjust the equalizer and overdrive response, can simulate a variety of amplifiers. 3[6 KNOBS ADJUSTMENT] With 6 adjusting knobs, namely Low, Mid, High, Level, Voice and Drive, with good practicability. 4[METAL MATERIAL] The shell is made of metal material, with paint finish, hard and wear resistant, not easy to corrode. 5[WITH LED LIGHT] The simulation effect has small LED flash to indicate the working status, with simple operation.