JOYO AC-20 Acoustic Guitar Amp 20 Watt The Joyo AC-20 is an amplifier designed with an amplification characteristic curve circuit specifically for acoustic guitars. It gives you a nice and bright treble with rich mid -low frequencies. Its 20W of power (10W + 10W) will meet your needs for practice sessions at home up to even small live shows. The guitar section of the AC-20 features 3 built-in DSP effects: Chorus, Delay and reverb, and all of which can be used simultaneously which is very rare among similar amplifiers. The other section on the AC-20 is the well designed dynamic.Microphone amplification channel giving you a clear and powerful vocal sound, this channel also features a reverb, which is the key making your vocals shine. Any great acoustic amp has an AUX input and so does the AC-20. Connect your MP3 player or CD and jam along to your music. Joyo delivers a truly simple and practical acoustic guitar amp. Guitar section Introduction Treble, Middle, Bass adjustment Three built-in digital effects of Chorus, Delay (Max delay time up to 500ms) and Reverb Volume Control Microphone section Introduction Tone adjustment Reverb effect Microphone Volume Control Note: AC-20 can support only moving-coil Microphone Speaker Two 5-inch speakers special for acoustic amps AC Power adapter Input: AC 100V-250V, 50-60Hz Output: DC 14V 4A The included adapter has passed the electromagnetic compatibility and safety test. We don’t guarantee the safety performance when used with third party adapters. Parameters Guitar input: -18.2dBv Microphone input: -40.7 dBv Aux in: -14dBv RMS 20W@4ohm/1khz DIMENSIONS?325*190*230mm Weight?4.8KG