10W Guitar Mini Speaker >power RMS 10watt >Inputs 1*Jack >Input,Selector,Gain >Low,High control >1 Headphont output >1 Master Volume control >Air scatter function Technical parameter Dimensions(mm): 190*120*230 1.output power10W2.Input impedance220kΩ3.Input sensitivity78mV(1kHz)4.S/N ratio80dB5.Speaker Size4 inchG.W(KG) 2.91520GP: 2116PCS40GP:4006PCS40"HQ 5064PCSGuitar Mini Speaker Relate Model Guitar Amplifier Output power 10W 15W 20W Input impedance 220kΩ Input sensitivity 78mV(1KHz)154mV(3K-4KHz) SNR 80dB 82dB 83dB Speaker size 4 inch 6.5 inch 6.5 inch Material Medium Density Fiber Board,PVC,PaintingFunction Input,Selector(Clean /distortionr),Gain Low,High 1 Earphone output 1 Master Volume control Size(mm) 190*120*230 300*150*320 280*168*240 GuitarMiniSpeaker