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Garmin VHF 300i

Marine Radio Receiver with Multi-station Support and Voicemail Feature

We apologize

This item has been discontinued

Product Features:
  • Marine Radio Receiver with International Usage
  • Provides flexibility and convenience any mariner needs to safely navigate and communicate on the open waters
  • Dedicated key for easy, one-touch access to Channel 16
  • Up to 25 watts of transmit power, selectable between 1 and 25 watts
  • Position tracking for up to three other boats
  • Includes a 4" active speaker with volume knob, built-in speaker on GHS 10 or optional third-party passive speaker
  • Automatic Transmitter Identification System (ATIS) support
  • Capable of presetting private channels
  • Provides full NOAA weather alerts and Class D Digital Selective Calling (DSC) capabilities via NMEA 0183 or NMEA 2000 connectivity
  • Position Tracking feature allows a mariner to locate and keep tabs on up to 3 other boats in the area
  • Multilingual user interface with English, French, Italian, German, and Spanish languages
  • Local receiver mode to improve receiver performance in busy port environments
  • Unit allows monitoring of 10 WX weather channels
  • Two-way, 30W hailer system for communication with others boats or deckhands
  • Patent-pending voicemail feature allows user to pre-record a 15-second message and deliver to any Digital Selective Calling radio
  • May also be used as an on-boat intercom if multiple stations are aboard vessel
  • GHS 10 Handset microphone included allows full radio control from remote location
  • Features a clear 2" LCD display, dedicated rotary key, and 3 soft buttons for dynamic controls
  • Supports Garmin GHS full-function handsets
  • Black box configuration allows mounting of unit virtually anywhere
  • Digital Selective Calling provides distress calls with the push of a button
  • Relocatable microphone and speaker
  • Hailer and foghorn output at 30 watts with automatic/manual foghorn signals and adjustable base-fog frequencies
  • 1-year Manufacturer's warranty
  • Note: The International frequency band is the only band available for this unit and the VHF 300i AIS

Product Specifications:
  • Waterproof: Yes
  • Temperature Range: 14° F to 122° F (-10° C to 50° C)
  • Compass-safe Distance: 20 inches (500 mm)
  • Digital Selective Calling: Class D
  • Frequency Bands: All USA, Canadian, and International marine channels; 10 NOAA weather channels
  • Operating Voltage: 10.8 to 15.6V DC (12V DC boat battery)
  • Current Drain:
    • Transmit (High Power): 6 A max
    • Transmit (Low Power): 2 A max
  • Transmitter Power (at 13.6V DC):
    • High Power: 25W
    • Low Power: 1W
  • Full Function Handset: Impedance 4 ohm; Input power 4W
  • Duty Cycle: 5% Transmit; 5% Receive; 90% Standby
  • External Speaker: Output power 4W
  • Dimensions: 2-1/2"D x 9-3/4"W x 7-1/16"H
Package Includes:
  1. VHF 300i
  2. GHS 10
  3. Active Speaker
  4. Power Cable
  5. Deck Cable (10 meters)
  6. Mic Hanger
  7. Mounting Hardware
  8. Documentation

Radio Specifications

Intended Radio Use

This is the intended use of the radio.

Car: This means that the radio is for use in a vehicle. These radios usually come with mounting and installation accessories for vehicles. Please verify with the product's description for more detailed information.

Marine: This means that the radio is intended for use on the boat or for marine applications. This means that he radio itself is typically treated for marine environments and includes marine accessories. Please see the product description for more information.

Portable: These radios are intended for use on the go and can be carried in your hand. Some portable radios can be used in other applications, such as on a boat or in a car.

Power Source
The power source is the method in which the unit receives power. Some units will be powered by batteries, while others will need to be plugged in to an AC or DC power source.
Integrated 12V DC
Primary Color
This is the main color of the item.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

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1 Star

Average Attribution Rating


Product Summary


Model Number






Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Garmin VHF 300i