Battery cover missing. Fender Mini '65 Twin Amp Portable Battery Powered Guitar Amplifier is a fantastic combination of versatility and portability. This guitar amplifier is as suitable for electric guitar as it is for classical guitar. The amplifier technology is solid-state, which makes the sound quality stand out and offers incredible versatility. It is a perfect practice amplifier for players of all levels. Moreover, this guitar amplifier has 2 speakers, 1 channel, a power of 65 W, and 1 Watt, which are perfect for practice sessions.