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Home :: Communications :: Entertainment Double Lock Chamber Communicator

Entertainment Double Lock Chamber Communicator


  • Two Modes of Operation - 2-Wire Mode and/or 4-Wire Mode
  • Separate volume controls for operator and each lock
  • Separate on/off controls for each lock
  • External 12 VDC connection
  • Entertainment Model 2820A-4003E has an amplifier to provide audio from any source, such as AM, FM, CD, TV, etc
  • Separate volume control for the entertainment channel
  • Entertainment audio is interrupted when the Hand-Held Push-to-Talk Microphone or Push-to-Talk switch is activated

Double Lock Chamber Communicator: Part Number 2820A-4003 Includes

  • Hand-Held Push-to-Talk Microphone: Part Number 2405-28
  • (1) 12 VDC Slide Terminal Gel-Cell Rechargeable Battery: Part Number 2890-05 - Expected life: 15 hrs
  • (1) MS Connector – 14 Pin Female: Part Number MS-3106A-20-27S
  • (1) MS Cable Clamp 20/22 Shell: Part Number MS-3057-12A
  • (1) Power Cord: Part Number P-2392
  • (1) User Manual
  • Entertainment Electronics, Microphone and Manual


  • Power: 115/230 VAC, 50-60Hz
  • Audio Output Power: 20 Watts
  • Back-up Power: Rechargeable 12 VDC Slide Terminal Gel Cell
  • Rear Panel Connection: MS 14 Pin Male with Mating Connector
  • Entertainment Input: 2 RCA jacks for (2820A-4003E only) audio input. Signal is mixed internally for a stereo input/monaural output
  • Dimensions: 8 in. H x 10.125 in. W x 7.5 in. D (20.3 cm x 25.7 cm x 19.1 cm)
  • Weight: 15 lbs (3.6 kg)

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.

2 and 3 Year Extended Warranties are available for this product. Please refer to the Documents Tab for further information on these programs. 

SKU 2820A-4003E
Quantity in stock No items available
Weight 16.00 lbs
Our price: Call For Pricing!
Quantity Item currently out of stock but available for purchase. Please contact for estimated delivery dates, (855) 482-8324.

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