Heavy duty headphones with ear protection and noise reduction for ICOM IC-A25N IC-A25NE IC-A25C IC-A25CE IC-A24 A16 Walkie Talkie Radio Earphones Headset   Super Soft Double Foam Head Pad New Comfort foam, undercut ear seals Molded cord assembly made to exceptional pull and flex standards Noise-canceling electret Strong Steel Boom provides flexibility and steady microphone placement Straight cord from headset to molded plug, 120CM Headphone Type: Dynamic (F50) Frequency Response:100Hz to 8 kHz Sensitivity:95 /-5 dB SPL full volume on ear simulator Impedance:150 ohms (300 ohms each; wired in parallel) Rate Input:100mW Max. Input: 250mW Microphone and Amplifier: Element Type: Noise-canceling electret Frequency Response:100Hz to 5 kHz Operating Voltage (supplied by aircraft ):8-32 Volts DC Sensitivity:-33 /-4 dB (ref: 0dB SPL=20.0uPa at 1 kHz with 10 Vdc 150 ohms AC load) General plug, 120CM Intercom Connections Plug: Weights: 530g Headset size range Height: 10 to 14 cm Color: Black/Pink/Red/Blue/White/Blue Boom: Spring tension boom Works for ICOM IC-A25N IC-A25NE IC-A25C IC-A25CE IC-A24 A16 Radio Package Including: 1 X  Headphone