Citronic CSM Compact Mixers With USB / Bluetooth - CSM-4 Player Compact format audio mixer with 2, 4 or 6 mono input channels and a stereo line input. Each mono channel has a combo XLR/jack input with individually switchable mic/instrument impedance and +48V phantom power for the XLR. Input channels have High/Low EQ a Packed Quantity1 per pack Dimensions8.70cm x 8.70cm x 30.00cm Weight1.21kg --Integral USB multi-format audio player --BT wireless connectivity --Supplied with DC power adaptor --Built in record function --Digital delay effect for vocals or instruments --Individually switchable +48V phantom powerPower supply5Vdc 1A (adaptor included)OutputLeft + Right balanced XLRPhantom power+48V individually switchable (XLR inputs only)Audio formatUSB playback mp3, wma, ape, flac / record mp3 (48kHz 128kB/s)Bluetooth version[