Sunyin Bass Amp Combo Portable 10W Bass Amplifier With 10Ft Guitar Cable Ma-10B ?Dual Channel Designed?:Bass Amp was tailored for bass guitar player,dual channel effect control(Switchable Normal/Drive channel)switching easily adjust the effect output.Volume knob,bright knob,gain knob and channel switch to adjust tone,professional noise and buzz reduction.Protable Bass amps for bass guitar indoor practicing or outdoor travel mini bass amp ?Huge Energy Practice Quitly?:Great audio quality mini bass amp,5 inches customized full frequency speakers with rated power of 10W(RMS).Aux in Jack for playing backing track,3.5mm stereo music headphone output Jack.Passionate play and silent practice are providing for you. ?Portable Compact Size Convenience Power Supply?:Mini size and lightweight designed,two hidden shoulder strap buckles on tow sides of the amp for hanging the shoulder strap(strap not include) conveniently and carry bass amp outside.Two power supply modes:supply by the attached power adapter or 6AA batteries,about 3hrs battery life with AA alkaline batteries ?Multi-Purpose Contracted Design?:10 watt mini bass amp great for indoor (bedroom,living room) practice,or outdoor gathering,small gig,ideal for small venues,little party of use;White body and classic durable styling,novative logo will light when it's switched on ?Package Include?:Bass Amp*1,DC 9A Power Adapter*1,Owner's Manual*1,10ft Guitar Noice Shielded Cable*1.Quality 10ft guitar cord producted by oxygen-free-copper center conductors,1/4 straight and right angle metal connectors.Shielding electromagnetic noise,awesome gift for anybody who loves music