YAMAHA GA15II A guitar amplifier with drive and clean sounds, also equipped with an equalization function. - Brand: YAMAHA - Model: GA15II - Features: Drive, Clean, Equalization - Controls: Gain, Volume, Middle, Treble, Bass - Input Terminals: AUX IN Thank you for viewing! ✨ I bought this new, but I haven't been interested in playing guitar, and I've been too busy to use it even once for several months.