Product Description
Garmin Active Speaker with Volume Control
Model: 010-12769-00Connect your compatible VHF radio to a handset for on-board communication. The active speaker has a knob to adjust volume up or down as needed on the compatible handset.
Compatible models include; 
  VHF 210 AIS Marine Radio 
  VHF 210 Marine Radio 
  VHF 215 AIS Marine Radio 
  VHF 215 Marine Radio 
  VHF 315 Marine Radio
| Unit Dimensions WxHxD | 11.1 x 11.1 x 3.8 cm | 
| Operating Temperature Range | 5°F to 158°F (-15°C to 70°C) | 
| Water rating | IPX7 | 
| Compass safe distance | 20" (50 cm) | 
| Audio output power | 2.5 W nominal, 4 W max |