15W Guitar amplifier use for electric guitar set speaker:6.5" EQ:BASS,TREBLE, VOLUME CONTROL, GAIN AND GAIN CONTROL, PHONE GUITAR AMPLIFIER USE For ELECTRIC GUITAR SETAdavantage:1.METEL grill and steel cover amplifier make noise less2. we produce speaker,wood case,transformer by ourself. so our amplifier price is cheapest Guitar Amplifier