Nux Solid Studio IR & Pow Amp Sim, Effects Pedal, Simulates 8 different kinds of loudspeakers, 3 power tubes, 8 microphones and 3 microphone positions, Can be used after effects, or between amp & speakers, Master-, Drive- and Presence Control (power amp), USB port for loading your own IR files (or those from third-party vendors), software control and firmware updates, Controls: Cab - Mic - Master - Drive - Presence, Switches: Headroom Level (-10 dB / + 4 dB) - Thru Output (Line / Speaker), LED: Cab / Mic On - Amp On, Footswitch: Cab / Mic Bypass - Amp Bypass, Connectors: input (6.3 mm jack) - stereo output (2 x 6.3 mm jack) - DI output (XLR) - power supply connector (coaxial power connector, 5.5 x 2.1 mm - negative polarity inside), Powered via a 9V DC power supply (not included, available under Article Nr #409939#y), Current consumption: 240 mA, True bypass, Dimensions (W x D x H): 115 x 105 x 57 mm, Weight: 420 g@+*Note:* Battery operation is not possible.@+@+