Brand: QVS. MPN: CC399TS-10. This conversion cable convert 3.5mm audio and combine left/right stereo signal into 1/4 mono audio. It connect any audio devices with 3.5mm port to mixing board s 1/4 jack. (Connectors: 3.5mm Stereo Male to 1/4 TS Male; Length: 10ft; Color: Black) Convert 3.5mm audio and combine left/right stereo signal into 1/4 mono audio Connects audio devices with 3.5mm port to mixing board s 1/4 jack.