Diver Comms like you have never heard them before! Totally up-to-date modern electronics have been carefully selected and tested to give the clarity you would expect from modern surface communications equipment - even with standard microphones and earphones found on most dive sites. Even the untuned ear can now understand what is being said. • Separate diver inputs on two-pin 4mm terminal posts. • Hand-held PTT microphone as standard. • Headset is also available as an option. • Mains trickle charge to heavy duty battery. • 12v external battery input for back-up. • Recording output. • External speaker output. • Waterproof speaker with high quality sound. • Diver selection switch. • Transformer and Opto-isolation of diver side wiring for safety. • Speaker or headset for tender operator. (optional) • Output for recording device or external speaker. SP EC IF IC AT IO N Dimensions Exterior Dimensions (L x W x H) 299 x 248 x 195mm Weight 3.5kg (inclusive of battery) Casing Two press and pull latches Double layered soft grip handle Two padlockable hasps Vortex Valve Lightweight Strong HPX Resin Watertight Power Supply Internal 12V SLA battery and 96 -230V Mains AC 50-60Hz External 12V battery capability Standby Current 63mA Nominal Frequency Response 400Hz to 10Khz Audio Power Output ~5W into 8ohm