Compact, high-quality stereo condenser microphones built into earphones that provides combined in-ear monitoring and binaural recording, enhancing the convenience and enjoyment of field recording – a great companion for the Roland R-05 and R-09HR field recorders. Its all-in-one design allows user to capture what he hears and then listen it back instantly, as well as monitor the sound while recording. Sophisticated enclosure design of the unit reduces feedback. The microphone features an electret condenser element with omnidirectional polar pattern, providing signal to noise ratio greater than 60 dB and sensitivity of -40 dB. The earphones feature dynamic construction with 12.5mm drivers and a 1.5m long cable with two gold-plated stereo mini plugs. The whole unit is powered by the recorder (operating voltage is 2V to 10V; also works with other products). Three pair of different size ear pieces (S,M, L) and a carrying pouch are included.