Revv G20 Amp Head, Tube Amp Head for Electric Guitar, Contains a clean channel and the typical Revvs tube-controlled high-gain violet channel with 3 levels of aggression and a wide switch for the shape tone, Built-in Two Notes Reactive Load & Virtual Cabinets - 6 customisable virtual cabinets selectable via the front rotary knob or up to 128 via MIDI - direct connection for FOH / mixer, interface or headphones without box, In Reactive Load Direct Mode, Pre & Post-Switch selects whether the power amplifier is in the signal chain, Reactive Load is automatically activated when the speaker is not recognised to protect the amplifier, 2 Channels, Power: Switchable from 4 to 20 watts, Preamp tubes: 3x 12AX7, Power tubes: 2x 6V6, Controls: Gain (push / pull for more crunch), Treble, Middle, Bass, Volume, Virtual cabinet, Switches: Wide, 4/20 Watts, Ch., Aggr., Pre / Post, Store, 8/4 Ohm, Groundlift, Internal Load / Speaker, 6.3 mm Jack speaker outputs: 8/4 ohms, FX loop: Buffered series, Dimensions (W x D x H): 312 x 160 x 190 mm, Weight: 4.8 kg, Includes carry case, Made in Canada@+*Connections:*@+@+, Input: 6.3 mm jack, Headphone output: 6.3 mm jack, MIDI input, USB, Balanced Output: XLR, FX loop: 2 x 6.3 mm jack, Speaker output: 6.3 mm jack