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AMCOM II 2825A-8225 Two Diver Communicator for AMCOMMAND II Two Diver Air Control REFERENCE ONLY

SKU: OBS-2825A-8225 Rate this product

    Availability: Not Available

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    This item number has been replaced by 2825A-05



    • Speaker and panel microphone NOT included
    • Communicator is designed for use with the Amcommand ™ II Two Diver Air Control
    • Volume setting for each diver and tender to their individual comfort level
    • Both divers can be set up on 4-Wire Mode or 2-Wire Mode or any combination of the two modes
    • Ability to use both dynamic and pre-amplified diver microphones with a unique circuit that detects microphone type and automatically adjusts volume levels
    • Communicator can be left on charge indefinitely without damage to the batteries or communicator (/23 and /24 versions only)
    • Communicator can be operated directly from the charger where AC power is available (/23 and /24 versions only)
    • Panel Mount


    • 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)


    • Amron HAS-300D Din Adapter 300 Bar
    • 2823-603 External Battery Charger, AC Voltage range: 90-264 VRMS, 47-440 Hz

    Tech Note: All communicators will transfer topside noise to the diver when using the radio speaker only. To eliminate background noise and achieve clear concise communications, use a Push-to-Talk microphone, headset, or a Remote Walk-and-Talk with a headset

    Note: Amron reserves the right to change the battery brand at any time without notice.


    This item number has been replaced by 2825A-05


    The Amron International 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 and the tender, both for the uplink and the downlink paths. 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.

    2 and 3 Year Extended Warranties are available for this product. Please refer to the Attachments tab for further information on the warranty programs.

    Note: Amron reserves the right to change the battery brand at any time without notice.

    Note: Speaker, panel microphone and external charger NOT included.


    Additional Information

    Search Weight No
    Brand AMCOM II
    GSA No
    DOD No
    Clearance Item No
    Communication Mode No
    Video No

    Product FAQ's

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    • Can you stack the banana plugs from the diver's communicator cable so you can have two divers on each diver channel?

      Although it may be possible, we strongly discourage such operation. The added workload would cause overheating and stress to the amplifier card. Prolonged use in this condition will eventually cause permanent damage and failure to the amplifier card.

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    • What type of cable do I need to connect my Amron communicator to my Outland video system?
      Amron communicators and Outland Technology’s video systems have a RCA Phono Jack. To connect the two systems together, you will need an audio cable with RCA Plugs on each end.
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    • Should I use a GFI when operating my radio off AC power?

      When operating your Amron Diver Communicator on AC, it is critical to use a Ground Fault Circuit Interrupter (GFCI) or isolation transformer for tender and diver safety. Surges and spikes are common on AC lines found on ships, generated locally, or at the end of long extension cable runs and can exceed 1kVolt. Such surges and spikes can cause the fuse to blow on the amplifier card assembly. The power supply is designed so that such a failure will be isolated and will not cause a safety issue to the tender or divers. It is strongly advised that your Amron Diver Communicator be operated on an AC circuit with a high quality surge arrester or an AC isolation transformer.

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    • What is the input voltage range for the 2823-603 External Battery Charger?
      The 2823-603 can operate over an input voltage range from 90-264 VAC. It operates over an input frequency range from 47-440 Hz.
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    • How do I install a new microphone in my Amcom II or III Communicator?
      Please refer to the Panel Microphone Installation instructions located in the attachments tab.
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    • Why does the speaker on my communicator sound muffled?
      The simplest way to fix this issue is to unplug the red banana plug from the red microphone 5-way binding post on the communicator and rotate it 180 degrees then reinstall it. This should fix your problem. For a more detailed explanation of what happened, please read below. The issue is not with the communicator, it is with the wiring of the umbilical. There is always the potential for wiring the speakers and microphone out of phase, similar to wiring the speakers on a car stereo system. There is an orientation to the banana jacks and they should be wired for proper phasing with the communicator. A banana plug does have an identified ground side marked on the plug. Amron always sets up their umbilicals so that the ground side is located on the left side so the user can consistently plug in their umbilical and avoid phasing issues. If a banana plug is plugged upside down or is wired out of phase, the sound quality will be significantly reduced. If the phasing is out and the orientation of both plugs are the same, then the banana plug wiring should be reversed on “only one plug” to avoid this issue again. It does not matter which plug you choose to reverse the wiring on.
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    • How can I test for a blown fuse on my Amcom series communicator?

      If the unit is plugged into a live outlet and turning on the switch does not cause the AC POWER LED to light up, then the fuse(s) are probably blown. Unplug the unit from the outlet, remove the fuses and check continuity with a multimeter. Replace any fuse that does not show continuity.

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    • Can I operate my communicator while I’m charging the internal battery?
      Yes, however, the charger will charge the battery at a slower rate as some of the charger power is being used to operate the communicator.
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