As the most versatile, powerful, and efficient two-diver communicators currently on the market, the Amcom II Deluxe Series (2825A) features separate volume controls for each diver, as well as a handheld push-to-talk microphone. What's more, all communicators in the Amcom II Series offers the capability to establish any combination of Simulcom or pushto-talk for both divers. Boasting 22-watts of pure audio power per channel and with a frequency response of 300Hz to 12kHz, this communicator is the popular choice of all serious divers, regardless of the mission. With its highly durable weatherproof panel microphone and the ability to use dynamic and pre-amplified diver microphones, divers around the world have acclaimed the Amcom II Series as setting the standard for today's two-diver communicators. Using only the best, most cutting-edge technology, the Amcom II Series is available in nonrechargeable and rechargeable battery-operated versions, as well as the AC-powered version.