Features 25-watt combo amplifier Single 8″ bass speaker Ported wooden cabinet 1.8″ color display Stereo headphone output for silent practice   Electronics Auxiliary Input 1/8 in (3.5 mm) Stereo Channels One Connection Type 1/4″ Connectivity USB Control Panel Gain, Bass, Mid, Treble, Master, Preset Select, Back, Save Button, Menu Button, Tap Tempo/Tuner Button Controls Gain, Bass, Mid, Treble, Master, Preset Select, Back, Save Button, Menu Button, Tap Tempo/Tuner Button Effects 15 Amp Models, 20 Effects, 50 Presets (30 Pre-Loaded, 20 Easily Accessible) Headphone Jack 1/8″ Stereo Inputs One – 1/4″ Line Out None Wattage 25 Watts