Fender G-Dec 3 Fifteen Electric Guitar Combo Amplifier 15 Watts Special Design 8" 8 Ohm Speaker One Channel Controls: Analog: Guitar Tone, Band Level, Volume. Digital: Start-Stop Button, Quick Access Button, Tap/Tuner Button, Phrase Sampler, Display Screen, Four Soft Keys, Save Key, Exit/Utility Mode Key Additional Features: Amazing onboard artist presets and loops that let you play along with the world's greatest musicians,MP3 and Wav file storage & playback, 15-watt Guitar amp with 8" Special Design speaker, 100 factory and user presets with digital amp modeling & DSP effects, USB connection for user programming and audio recording output, USB cable included, SD card slot for unlimited storage of presets and audio content, Onboard phrase sampler with overdub and export functions, Onboard chromatic tuner.