Flexible input and output options 5 mic preamps Powered by included power supply or 3 x 9V batteries (not included) 1 pre-fader and 1 post-fader auxiliary send per channel 3-band EQ per channel With the added capability to be powered by batteries, you can manage all your audio signals easily with the Behringer Xenyx 1002B mixer. Featuring 10 input channels with one pre- and post-fader auxiliary send on each channel, the Xenyx 1002B is equally suited for studio or live use. To handle your input sources, you get five mic preamps, a total of six stereo channels with dual 1/4" inputs, two mono 1/4" inputs, and CD/tape inputs and outputs with RCA connections. Balanced 1/4" outputs are ready to send your mix to your sound system or studio monitors. Use the included power supply or power the 1002B with 9V batteries for field use