Works good. Its for clean guitar or piano amp. Too big for home practice, have smaller amp and i dont use this. Missing some knobs but easy to replace

Specification Value Power Output 40 watts RMS Amplifier Type Solid-state Speaker 12-inch speaker Speaker Power Handling 40 watts RMS Input Impedance 220 kΩ Maximum Input Signal 15 V peak-to-peak EQ 4-band active EQ Low Control ±10 dB @ 50 Hz Low-Mid Control ±10 dB @ 200 Hz High-Mid Control ±10 dB @ 800 Hz High Control ±10 dB @ 4 kHz Low Boost +8 dB @ 40 Hz High Boost +8 dB @ 8 kHz Pre-Shape +10 dB @ 100 Hz, +12 dB @ 6 kHz Weight Around 30–35 lb (varies slightly by production year)