SAMSON RS112A. Bi-amplified active speaker with 12" wide-range speaker with 2" moving coil, 1" tweeter, 400W peak class D power, integrated 2-channel mixer with Mic/Line inputs selectable via XLR/TRS combo, variable compressor controllable by encoder on both channels, volume control for both channels, additional channel with Aux line input via 1/8" jack, Bluetooth 4.0 A2DP connectivity and wireless USB port for use with Samson XPD wireless microphone systems. It also has a mix output via XLR for connecting other speakers in cascade
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