This is an older model and Amron International is the manufacturer.The Amcom II Model 2825A-8225 Two-Diver Communicator is the most versatile and powerful two diver communicator on the market today. The most unique feature is the design of separate channels and volume controls for each diver.Each diver may have different equipment such as microphones and speakers or different listening and speaking characteristics. You can set the volume for each diver and tender to their individual comfort level. Both divers can be set up on 2-wire and/or 4-wire mode, or one diver on 4-wire mode and the other on 2-wire mode or any combination of the two modes.

Specification:
Input Impedance (Each Input): 250 Ohms
Common Mode Rejection: 40 dB Minimum
Current Drain:
Maximum Full Volume 3 Amps
Minimum Quiescent 250 mAmps
Output Impedance: 4 Ohm
Audio Power Output: 20 Watts per channel
Frequency Response: 300 to 10,000Hz
Power Supply Voltage: 12 VDC Nominal (9 Volts Minimum - 18 Volts Maximum)
AC Voltage Range: 90-264 VAC, 47-440 Hz
Sensitivity (input): 0.5 mV
Panel: Black Powder Coat over Stainless Steel with White Silkscreen Graphics
Dimensions: 11 in. H x 13 in. W x 17 in. L (27.9 cm x 33.0 cm x 43.2cm)
Weight: 13 lbs. (5.89 kg)

Price is $2200 plus shipping. Am open to reasonable offer. PM if interested

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