Our Products         Line Array       Active Speaker Cabinet       Studio Monitor       Speaker Cabinet       EQ & Amplifier       Portable Speaker       Guitar/Bass Amplifier   GP Series GC Series   Mixer       Popstar       VA serise       Ultra Portable Speaker     GUITAR/BASS AMPLIFIER >>>GP series             GP10G/GP15G       GP10B/GP15B   GP Series guitar/bass amplifier system features GP GP10G GP15G GP10B GP15B Power 10W 15W 10W 15W Use Guitar Guitar Bass Bass Equalization Treble,Middle,Bass Treble,Middle,Bass Treble,Middle,Bass Treble,Middle,Bass Over Driver yes yes yes yes Speaker 6.5",8ohm 8",8ohm 6.5",8ohm 8",8ohm CD input yes ---- yes ---- Headphone jack yes yes yes yes Dimension(WxDxH) 340x195x338mm 385x220x385mm 340x195x338mm 385x220x385mm Other ---- Line output for speaker ---- Line output for speaker