Guitar Effect Pedal with AC30 Speaker Simulation A29897

With independent knob adjustment of low frequency(LOW), intermediate frequency(), and high-frequency(HIGH). Can be simulated tones of different speakers by adjusting frequency response, distortion characteristics, and DRIVE. Suitable for guitar, bass and other electroacoustic products. Aluminum alloy metal shell, durable and sturdy, lightweight and compact. With a LED indicator to show the working status.