Two Functions in One Features The CS-10EM provides combined in-ear monitoring & binaural recording, enhancing the convenience & enjoyment of field recording — a great companionfor the Roland R-05 & R-09HR field recorders. Simply wear the microphone-equipped earphones & capture what you hear, then listen back instantly. You can enjoy realistic sound as if you were there. You can also monitor while recording thanks to the CS-10EM’s all-in-one design. Compact, high-quality stereo condenser microphones built into earphones Powered by the recorder (operating voltage is 2V to 10V; also works with other products) All-in-one design lets you monitor while recording Sophisticated enclosure design reduces feedback Two Functions in One Specs Microphone Element Electret Condenser Polar Pattern Omnidirectional Frequency Response 20 Hz to 20, 000 Hz Open Circuit Sensitivity -40 d B 1V/ Pa S/N Greater than 60 d B Impedance 2.2 kΩ Current Consumption 500 μA Power Requirements 2 V to 10 V Earphone Type of Construction Dynamic Driver Ï12.5mm Sensitivity 102 d B/1m W, 500 Hz Maximum Input 200 m A Frequency Response 15 Hz to 22, 000 Hz Impedance 16 Ω . Weight 4.5 g (without cord) Cord 1.5 m Plug Stereo mini (gold-plated) x 2 Accessories Carrying Pouch, Ear pieces (S, M, L) The weight is excluding cord. In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.