Peavey Rock Master Preamp Pedal; Replica of the 19‘ Rock Master Tube Pre-Amp ’Ultra-Channels" from the early 1990s in pedal format; Tube feel with TransTube technology; Gain boost switch for additional gain and saturation; Active 3-band EQ; Internal signal processing with 30V for high gain with high headroom; Controls: Pre-Gain, Post-Gain, Bottom, Body, Edge; Mid Shift switch changes the frequency of the ‘Body’ control; Foot switch for bypass and gain; works both before guitar amplifiers and directly before power amplifiers; hard bypass with integrated anti-click circuit for quiet operation; power supply via standard 9V DC power supply (not included) or 9V battery (max. power consumption 100 mA); Output impedance: 1 kO; Dimensions: (W x D x H): 920 x 122 x 570 mm; Weight: 0.4 kg