BOSS Audio MCKGB350B.6 Marine Gauge Receiver and Speaker Package

In this review the BOSS Audio MCKGB350B.6 is evaluated as an affordable, weatherproof marine audio package for small boats and personal watercraft. It pairs an IPX6 mini gauge receiver with a pair of 6.5' marine speakers and a dipole antenna, making it a compact all-in-one solution for users who want Bluetooth streaming, USB playback and a NOAA weather band without a CD player. The single biggest reason to consider this kit is its focus on essential marine features and corrosion-resistant materials for reliable on-deck use at a modest price point.

Key Features

• Bluetooth streaming: Wirelessly plays and controls music from a smartphone or MP3 player, including popular streaming apps for convenient on-deck listening.
• IPX6 weatherproof receiver: The receiver is rated to resist heavy splashing, providing confidence against spray and rain during normal boating conditions.
• USB and auxiliary inputs: A front USB port and an auxiliary input let users access stored MP3 libraries or connect non-Bluetooth devices.
• Noaa weather band tuner: Built-in NOAA weather band reception offers access to marine weather updates and alerts while underway.
• Weatherproof 6.5' speakers: The included MR6B speakers use UV-coated, corrosion-resistant materials to withstand marine exposure.
• Outputs for expansion: Front/rear and subwoofer outputs allow adding more speakers or a subwoofer for larger boats or stronger bass needs.

Who It's For

The MCKGB350B.6 is a good fit for boat owners who need a compact, gauge-style stereo that focuses on core audio and safety features rather than extras like a CD mechanism. It is particularly suited to owners of small to medium boats who value Bluetooth connectivity, USB playback and NOAA weather reception in a single packaged kit.

Those who should look elsewhere include users wanting a full-featured multimedia head unit with a display screen or integrated navigation, and owners of larger vessels who require higher-power amplifiers or an extensive multi-zone audio setup. Also, customers concerned about long-term waterproofing in extreme conditions may prefer more rugged or higher-IP-rated components.

Pros & Cons

Pros

• Compact, gauge-style receiver that saves dash space and is easier to install in tight panels.
• Reliable Bluetooth performance for streaming apps and quick pairing with Android phones.
• Weatherproof design on both the receiver (IPX6) and speakers with UV coatings to resist corrosion.
• Includes antenna and speaker pair in one package for straightforward installation.

Cons

• The receiver does not include a CD player, which is intentional but may disappoint buyers who still use discs.
• Some customers report occasional issues with receiver power-up or moisture affecting the display area in harsh conditions.

Specifications

Receiver model	MGR350B mech-less gauge receiver
Receiver dimensions	Depth 3.3 in x Width 4.5 in x Height 4.5 in
Receiver weight	2.1 lbs
Speaker size	6.5 in full range MR6B pair
Speaker dimensions	Depth 7.5 in x Width 7.5 in x Height 3.4 in
Speaker weight	3.3 lbs each
Other features	Bluetooth, USB port, AM/FM, NOAA weather band, dipole antenna

Our Verdict

The BOSS Audio MCKGB350B.6 delivers a sensible balance of features, weatherproofing and value for small-boat owners who want simple, dependable on-deck audio. Its Bluetooth and USB playback, combined with NOAA weather reception and weather-resistant speakers, make it a practical choice for casual boaters. For those needing higher power, advanced displays or more extreme waterproofing, dedicated higher-end systems are a better option.

Frequently Asked Questions

Does the receiver include a CD player?
The receiver is mech-less and does not include a CD player; it relies on Bluetooth, USB and auxiliary inputs for playback.

Is the receiver fully waterproof?
The receiver is IPX6 rated to resist splashing and heavy spray but is not designed for full submersion.

Can I add more speakers or a subwoofer?
Yes, the receiver provides front/rear and subwoofer outputs to expand the system.