Products /Blackstar Silverline Standard Blackstar Blackstar Silverline Standard €499.00 View retailer Sign up to save it Sold by Audio Pro d.o.o. €499.00 View retailer → About this product 20-watt Digital Combo Guitar Amplifier with 10" Speaker, 6 Amp Voicings, 6 Virtual Output Tube Types, 12 Onboard FX, Speaker-emulated Output, and USB Connection