Icom
Icom IC-M504 VHF Radio Transceiver
Best rugged marine radio for boaters needing reliable, secure communication.
The Icom IC-M504 is a robust fixed-mount VHF/FM maritime radio transceiver built for reliable communication on the water. It operates on the VHF frequency band and features a clear, backlit LCD display for easy viewing. Essential functions like auto noise reduction, channel autoscanning, and monitoring are included for efficient operation. This radio also supports a headset connection and offers speech masking for enhanced privacy. Its durable construction and IPX8 waterproof rating make it suitable for challenging marine environments.
$99.95
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Owner Satisfaction
4.6
/ 5
Category Rank
77
/ 178
#77 in Marine Radios
Price vs Category Average
-80%
Below average
Type
VHF/FM Maritime Radio Transceiver
/ VHF/FM Maritime Radio Transceiver
Who it's for
- Boaters operating in loud or windy marine environments
- Mariners needing reliable gear for harsh saltwater conditions
- Safety-conscious captains prioritizing immediate distress signaling capabilities
Who should skip it
- Users preferring modern, high-resolution, and intuitive menu interfaces
- Owners with modern NMEA 2000 integrated marine networks
- Skippers with limited dash space on crowded helm stations
Performance breakdown
Durability
The IPX8 waterproof rating ensures reliable performance in harsh marine conditions.
Signal Clarity
Integrated noise reduction keeps transmissions crisp even in windy, loud environments.
Installation Versatility
Dual microphone ports and flush mounting offer flexible cockpit integration options.
Operational Efficiency
Intuitive channel scanning and monitoring simplify essential communication tasks while underway.
Privacy Features
Built-in speech masking provides an extra layer of security for sensitive conversations.
System Expandability
Multiple accessory ports allow for seamless integration with external GPS hardware.
Key Specs
Type
VHF/FM Maritime Radio Transceiver
Form Factor
Fixed Mount
Frequency Bands
VHF
Transmission Power
25 W
Power Levels
2
Dimensions
110x165x123 mm
Weight
1450 g
Waterproof Rating
IPX8
Features
- Tested for transmission and reception
- All buttons and knobs fully functional
- Front and rear microphone ports
- Multiple accessory ports for expansion
- Includes microphone
- Integrated GPS receiver connector
- Speech masking for privacy
- IPX8 waterproof rating
What customers say
Users consistently praise the Icom IC M504 for its exceptional reliability and robust build quality, establishing it as a trusted choice for serious marine applications. A key highlight is the audio clarity and intuitive interface, ensuring flawless performance even during harsh weather. While the initial cost is higher, consumers agree that the superior long term dependability and consistent performance fully justify the investment. This radio solidifies its reputation as essential, high quality safety equipment.
Know before you buy
Yes, the IC-M504 features an integrated GPS receiver connector on the rear, allowing you to feed position data directly into the unit for DSC (Digital Selective Calling) functionality.
An IPX8 rating means the radio is designed to withstand continuous immersion in water. It is highly durable and well-suited for the harsh, wet conditions found on open-cockpit boats.
Yes, it includes both front and rear microphone ports. This flexibility allows for cleaner cable management depending on how you choose to flush-mount the unit in your console.
The built-in speech masking, or scrambler, provides an added layer of privacy for your communications. It ensures that your voice transmissions are not easily understood by unauthorized listeners on standard VHF receivers.
The IC-M504 features a backlit LCD screen designed for high visibility. The backlight ensures you can clearly read channel information and status indicators in both bright daylight and low-light conditions.
Yes, the unit supports a headset connection. This is particularly useful in high-noise environments where you need to hear transmissions clearly without external interference.
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Ready to buy?
$100