Based on the critically acclaimed ID Series: TVP technology, these digital amps are designed around a powerful SHARC processor and unique patents to deliver uncompromising sound for all gaming styles. Using the patented TVP technology, the Response control provides the dynamics, sag and saturation of 6 types of tube power amps. Combined with 6 unique Blackstar voicings, ISF and studio-quality effects, these amps give you the tools you need to get the sound you want. USB connectivity and speaker emulation outputs make it easy to capture your sounds in Super Wide Stereo at home or in the studio. The new Blackstar Silverline series are the only amplifiers available to date that combine high-end digital flexibility with exceptional boutique style and intuitive controls for guitarists. High-end digital technology Intuitive controls specially studied SHARC DSP processor Unique boutique style Power: 20W Speaker: 10 Celestion VT Jr Voicing: Clean Warm, Clean Bright, Crunch, Super Crunch, OD1, OD2 Response: EL84, 6V6, EL34, KT66, 6L6, KT88 EQ: 2 bands with ISF Effects: 4 modulations, 4 delays, 4 reverb (tap tempo) USB connection MP3 / Line Input Headphone / emulated output Footswitch jack (FS-10 compatible, not included)