Compact, lightweight, with clear audio quality. Sony's ECM-DS30P Electret Condenser Stereo Microphone is a high quality microphone for recording on digital media. The ECM-DS30P features plug in power operation, suitable stereo recording with ICD/MD, direct connection to recorder, structure to prevent vibration, and a supplied carrying pouch and wind screen. Start recording clearer sound now with the ECM-DS30P Electret Condenser Stereo Microphone.