Sennheiser HD 660 S Open-Back Over-Ear Headphones Panamax surge protector Frequency response 50-25

Frequency response 50-25

12-volt trigger input for delayed outlets

Kenwood KFC-C6866S 6"x8" 2-way Car Speakers (Pair)

one stereo RCA output for recording to an external device like a CD recorder

noise-free picture and sound

Sennheiser HD 660 S Open-Back Over-Ear Headphones Panamax surge protector Frequency response 50-25Sennheiser HD 660 S Open Back Over Ear Headphones The HD 660 S Open Back Dynamic Headphones from Sennheiser are headphones for the passionate audiophile and are crafted for the most demanding listener. Built with a transducer design that delivers lower harmonic distortion, they provide a natural, lifelike audio experience and can be used to produce crisp bass, transparent mid frequency response, and a natural treble when connected to high res players