YAMAHA G-5 Nippon Gakki Co. Ltd. 15 watt 6.5" speaker with Spring Reverb. 2 Inputs (High & Low), Volume, Bass, Treble, Reverb, Master Volume. Output for headphones at the back, solid Spruce Cabinet. Mains: 120VAC. Dimensions: 11.8" by 9.75", 5" deep (30cm x 13cm x 24cm)