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Despite its size, the EPS500MP3 is integrated with an 8-channel powered mixer that can be left attached to the back of the speaker or detached for easy positioning and access. Channels 1 – 4, which feature BEHRINGER’s XENYX mic preamps, accept balanced XLR mics, as well as balanced and unbalanced ¼” line-level sources. Phantom power is provided for studio-grade condenser mics and each channel has its own 2-band EQ. Stereo channels accommodate both RCA and ¼” inputs.
Here are the specs: http://www.behringer.com/EN/Products/EPS500MP3.aspx