AMT Bricks VX-Clean, Effects Pedal for Electric Guitar@+The AMT Bricks Series of tube preamps are based on the sounds of other famous models. They can be used with an amp or a power amp, and if multiple preamps from the same series are thrown into the mix, they can communicate with each other! That means, if a preamp is switched on, then the other preamps in the series automatically switch themselves off. In this way you can put together your own multi-channel preamp setup.@+@+, Tube preamp, Controls: Gain, Treble, Middle, Bass, Volume, Switch: Drive/Preamp, LED: Effect On, EXT.F (external function), Footswitch: Effects bypass, Input & Output: 6.3 mm Jack, CTRL A and CTRL B: 3.5 mm Jack on each, Power adapter connector: DC adapter, 5.5 x 2.1 mm, negative polarity inside, Power consumption: 300 mA, Powered via 12 V DC adapter (not included), True bypass, Dimensions (W x D x H): 55 x 95 x 47 mm, Weight: 270 g, Made in Russia@+*Note:* Battery operation is not supported.@+@+