Sony Measurement Microphone Originally Shipped With: DAVHDX279W, DAV-HDX279W, HT7550DH, HT-7550DH, STRDH700, STR-DH700 This Is A True Sony Part! Item Is Brand New DAVHDX279W, DAV-HDX279W, HT7550DH, HT-7550DH, STRDH700, STR-DH700 OEM Sony