The Yamaha GA15II is a guitar amplifier that allows you to select between drive and clean tones, and features a convenient carrying handle. This 15W, 2-channel combo amp for guitar has a CLEAN channel and a DRIVE channel. It also features an Aux in, allowing you to input external audio sources, making it ideal for practice sessions while playing along with backing tracks. ■Brand: Yamaha ■Model: GA15II ■Functions: Drive, Clean, Volume, Treble, Middle, Bass, Equalizer ■Connectors: Input jack, AUX jack ■Handle: With carrying handle ■Guitar amplifier, combo type ■Output: 15W ■Speaker: 6.5" x 1 ■Controls: Drive channel (GAIN, VOLUME), Clean channel (VOLUME), EQ (TREBLE, MIDDLE, BASS) ■Headphone output, AUX IN equipped ■Dimensions, Weight: 29.1W x 30H x 18.9Dcm, 5kg ■A practice guitar amplifier that thoroughly covers the basic functions. Equipped with an Aux in jack for mixing with external audio sources. Allows for practice sessions using audio sources such as MP3s. Purchased in November 2015, used only indoors. Simple cleaning and operational check completed.