GUITAR COMBO AMPLIFIER Programmable digital combo amplifier for electric guitar SILVERLINE STANDARD 20W of power. Classic True Valve Power technology with new DSP `` SHARC ''. 6 voices (Clean Warm, Clean Bright, Crunch, Super Crunch, OD 1, OD 2). ISF (Infinite Shape Feature). 128 memory banks with 4 memories (CH1, 2, 3 and 4). Built-in effects. Valve emulator with 6 types of valve. EQ Bass and Treble controls. Master Volume Control. USB port for recording and editing using software. Auxiliary input for Cd or Mp3. Speaker simulation output. Built-in tuner. 10 '' Celestion V Type Speaker. Finished in silver tolex "Boutique Silver" with metallic logo on the front. Optional multi-function footswitch (FS-10)