GENERAL DRIVER UNIT (MM) 9 MM MAGNET TYPE NEODYMIUM IMPEDANCE (Ω) 16 OHM SENSITIVITY (DB/MW) 109 DB / MW FREQUENCY RESPONSE 10 HZ – 24 HZ CORD LENGTH (M/FT) 1.2 M CONTROL/ MIC YES WEIGHT APPROX. 12 G (WITH CORD) MINI PLUG (3.5MM) YES PLUG /( N:NICKEL. G: GOLD) N SUPPLIED ITEM EAR PIECES (S,M,L)