... card slot, LCD display. Power Mixer, Amplifier mixer, Powered audio mixer RX-9800USBFEATURES1. 10 channels wooden powered mixer with USB interface, SD card slot ... Each channel Treble, Bass, Monitor, effects level adjustable. 5. Each channel FX volume, level adjustable6. Each mono channel PAN adjustable, ... -in 16 effects 8. 16 effects on MAIN/ MON level adjustable9. 2 x 7 band graphic equalizer10. 2 x ...