RMS 20 Watt guitar amp features:

• Speaker- 8"
• Control functions- Input, Channel Select: Clean or Overdrive, Gain Control for overdrive channel, Volume (1), Overdrive Volume (2), Clean Channel: High- Mid- Low-, CD/Line In
• Headphone Jack
• Footswitch Jack
• External Speaker Jack
• Line Out
• Dimensions 13.25" H, 15" W, 7" D