Hartke G15 The new Hartke G-Series guitar amps have been designed for today's modern guitar player who respects the sound of a classic amp. The G-Series are small, powerful combos with 2-channel operation that are capable of producing a wide variety of tones. The G15 features a 8" GXL speaker, and 15 watts of power. The amp has a 2-band EQ with controls for bass and treble, dual selectable channels, headphone output, CD/MP3 line input and a footswitch jack for channel selection. Features: 15 Watt, 2 Channel Guitar Combo Custom-Voiced Hartke GXL 8" Speaker 2-band EQ for Control of Bass and High Frequencies Headphone Output and Line Input Footswitch Jack for Channel Selection