The Sescom DSLR-MIC-MON 3.5mm Mic to Mic with Audio Monitor Tap is a Y cable specifically designed for use with DSLR cameras. The cable features 1/8" (3.5mm) TRS mini-male connections on each end, along with a single 1/8" (3.5mm) TRS mini-female connection for headphone monitoring. The DSLR-MIC-MON cable allows you to feed microphone level audio signal from a player/recorder device, to the microphone input of a DSLR camera, while simultaneously monitoring the signal flow with a pair of headphones.