This entry level PA-1161 headset that is the result of over 25 years of experience manufacturing aviation headsets. Durable and robust, this is a great headset for the beginning pilot, passengers, or a pilot on a budget. The unique black and gray ear cup is accented with chrome hardware. Features: Passive NRR 24dB Microphone Type Noise Canceling Electret (Amplified) Speaker Impedance 300 ohm Cord Type 5 Foot Straight Plug Type .25'' Audio Plug and .206'' Mic Plug Boom Type Half Metal / Half Flex Color Black/Grey Product Weight 15.4 ounces (437 grams) Shipping Weight 2.50 Warranty 3 Years