In comparing this kit to the full commercial line of ANR headsets, Great Britain's FLYER MAGAZINE said, "...5 star ANR performance puts the inexpensive conversion kit on a par with the best units available."

Do you own a good headset, but wish you had Active Noise Reduction? This outstanding kit may be the answer.
Consists of the standard modules, crossover cable, power cable, auto on-off battery box, and all necessary installation materials and instructions. The basic kit fits David Clark H-10 (20/30/60) series headsets and clones.
Important:
* Choose "Dave Clark H-10 20/30/60 and Clones" for those models
* Choose "Dave Clark H-10 13.4/13.S" for those models.
* Choose " Dave Clark H-20 10/10S" for those models.
* Choose the "Peltor 7000" option to designate a kit suitable for Peltor 7000 series headsets (includes improved passive noise seals).