Marine communication, Marine Navigation, Navcom, Navcom service provider

STANDARD HORIZON SPEAKER MICROPHONE MH 73A4B

Posted on by seanavin

STANDARD HORIZON SPEAKER MICROPHONE MH-73A4B – Rugged Communication You Can Trust

The STANDARD HORIZON MH-73A4B speaker microphone is a reliable accessory designed for VHF marine radios such as the HX400 and other compatible handheld transceivers. With its rugged construction, water-resistant design, and crystal-clear audio performance, it enhances communication during critical marine operations. SEANAV offers this microphone with full support, testing, and replacements to ensure your communication remains seamless offshore and on deck.

Key Features of MH-73A4B Speaker Mic

  • Compatible with STANDARD HORIZON HX series handheld VHF radios
  • Rugged and water-resistant (IPX7 rated)
  • High-quality built-in speaker and mic for clear audio
  • Equipped with a rotating clip for easy attachment
  • Perfect for noisy marine environments

Why Choose SEANAV for STANDARD HORIZON Accessories?

SEANAV not only supplies original MH-73A4B speaker microphones but also tests, services, and replaces units for ships, rigs, and coastal fleets. Whether you’re replacing a damaged mic or outfitting a new fleet, we offer professional consultation and rapid delivery to ensure compliance with communication standards.

Frequently Asked Questions (FAQs)

1. What radios are compatible with the MH-73A4B?

This speaker microphone works with STANDARD HORIZON HX400, HX370S, and similar handheld VHF radios.

2. Is the MH-73A4B waterproof?

Yes, it is IPX7 rated, meaning it can be submerged in water up to 1 meter for 30 minutes.

3. Can SEANAV replace damaged microphones?

Yes, we offer microphone replacement services with genuine parts.

4. Do you provide bulk orders for fleets?

Absolutely. We support bulk ordering for commercial fleets and supply vessels.

5. Is it compatible with non-Standard Horizon radios?

It is primarily designed for Standard Horizon radios. Compatibility with other brands is not guaranteed.

6. Does the mic have a built-in PTT button?

Yes, the MH-73A4B includes a Push-to-Talk button for convenient operation.

7. How can I verify if my mic is authentic?

Purchase only from authorized dealers like SEANAV. We verify and test all units before shipping.

8. Can I use the microphone in heavy rain?

Yes, it is built to function in marine weather conditions including heavy rain.

9. Do you offer repair for faulty speaker mics?

Yes, SEANAV provides diagnosis and repair for electrical faults and broken clips or cords.

10. What is the delivery time for orders?

Orders within port cities are usually delivered within 2–3 working days.

11. Can I get technical support for installation?

Yes, we provide support for proper connection and integration with your radio setup.

Whether you’re a shipping company, offshore operator, or marine supplier, SEANAV ensures you receive top-tier communication accessories like the MH-73A4B speaker microphone to maintain operational readiness and safety.

Learn more about our Marine Equipment Supply & Support Services

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