BOSS Audio Systems MGV550B Marine Gauge Receiver
Quick take
The BOSS Audio Systems MGV550B is a weatherproof, 5-inch touchscreen marine gauge receiver designed to handle Bluetooth streaming, USB playback, and AM/FM radio in outdoor environments. It includes a built-in 60W x 4 amplifier and preamp outputs for speaker or subwoofer expansion, plus a rear camera input for a compatible camera setup. The key caveat is that it does not include a CD player, and some interface or accessory-control expectations (like one-button camera switching or accessory relay needs) may require extra setup.
Pros and cons
Pros
- Weatherproof construction with an IPX6 rating for splashing water protection.
- Bluetooth audio control, touchscreen operation, plus AM/FM radio and USB playback.
- Built-in 60W x 4 amplification with front and rear (and subwoofer) pre-amp outputs for expansion.
- Camera input support (camera sold separately), useful for towing, docking, or trail visibility.
Cons
- No CD mechanism, so music libraries must come from streaming, USB, or auxiliary sources.
- Accessory control via the star button requires a relay that is not included.
- Buyer feedback suggests some functions may take more steps than expected (for example, switching camera mode can involve settings).
- Review evidence includes at least one report of a unit not working after installation, so proper installation and power checks matter.
What buyers think
Buyer-review evidence is mixed but includes a clear theme: many people are happy with everyday usability and long-term operation once installed. Several reports highlight straightforward setup for use in an off-road vehicle, and others mention that the unit continued working reliably over extended use. At the same time, review coverage also contains a small number of negative experiences, including one dead-on-arrival style issue and at least one complaint about feature expectations (such as not supporting a wired remote and preferring faster camera switching). Overall, the recurring decision factors appear to be ease of installation, whether the feature set matches the intended setup (camera, auxiliary controls), and basic reliability after wiring.
Key features that matter in real use
Weatherproof touchscreen design
Because the MGV550B is built as a marine-style gauge receiver, it focuses on outdoor durability. It uses weatherproofing measures like a UV-coated front panel and conformal coating on the circuitry, with an IPX6 rating for protection against splashing water. If your ride or boat sees wet weather, this design intent is a meaningful differentiator versus standard automotive head units.
Audio sources: bluetooth, USB, Aux-in, and AM/FM
You can play music and podcasts from your phone over Bluetooth, listen to AM/FM radio for news and sports, or use the USB port for digital files. There is also an auxiliary input compatible with audio output from smartphones or MP3 players. USB charging support is included, which helps reduce cable clutter in a cockpit or dash area.
What to note: it does not include a CD mechanism, so buyers with a CD-only music habit will need to switch to streaming, USB storage, or an aux device.
Camera input and how you’ll likely use it
The receiver supports switching to a rear camera signal (the camera is sold separately). For many buyers, this is the difference between a “nice-to-have” screen and a daily safety upgrade for docking, backing, or trail navigation.
Tradeoff to consider: some buyers prefer quicker, one-button switching between camera modes, and the interface may require extra steps depending on how you plan to use camera views.
Power and expansion: built-in amp plus preamp outputs
The MGV550B has a built-in amplifier rated at 60 watts per channel across 4 channels. It also provides pre-amp outputs for adding equipment: front and rear pre-outs and a subwoofer pre-amp output. This makes it a reasonable starting point if you want solid sound now but may add speakers or a subwoofer later.
Inputs, outputs, and controls you should plan around
- Accessory button (star button): intended to turn accessories on and off (like light bars or LED whips). A relay is needed and is not included.
- USB limits: supports audio/video files via USB (USB storage up to 32GB max).
- Dimensions and weight: a gauge receiver format intended for vehicle dash or panel mounting, sized at 4.25 x 7.75 x 5.60 inches and weighing about 2.8 lbs.
Who this receiver is best for
- Boat and outdoor-vehicle owners who want a touchscreen head unit with weatherproofing, not a basic car stereo.
- Bluetooth-first listeners who primarily stream from a smartphone or rely on mobile apps like Spotify or Pandora.
- Buyers planning a camera setup and want a head unit with camera input support.
- People who want upgrade flexibility via preamp outputs for speaker or subwoofer additions.
Who should consider a different option
- Anyone who needs a CD player: the MGV550B is designed for modern digital sources, not discs.
- Buyers expecting accessory control without additional wiring: the accessory button requires a relay not included.
- Shoppers who require a wired remote: feedback indicates remote expectations may not match what the unit supports.
Price and availability
Pricing for the MGV550B can vary depending on the seller. If you want the most accurate current number, check the listing for live pricing and availability.
Verdict: is the BOSS MGV550B worth it?
The BOSS Audio Systems MGV550B is a strong fit if you want a weatherproof, touchscreen marine gauge receiver that covers Bluetooth streaming, USB playback, AM/FM radio, and camera input in one unit. It also offers a built-in amplifier and preamp outputs for future upgrades. The biggest reasons it may not be the best match are simple: no CD playback, accessory control that needs a relay, and interface or feature expectations that may not align with every buyer’s workflow.
FAQ
Does the MGV550B have a CD player?
No. It is built for Bluetooth, USB playback, aux input, and AM/FM radio, without a CD mechanism.
Is the MGV550B weatherproof?
Yes. It is designed for wet environments with IPX6 protection against splashing water, and it includes weatherproofing treatments like a UV-coated front panel and conformal coating.
What audio sources can I use?
You can use Bluetooth, the USB port (up to 32GB max storage), an aux-in for audio from compatible devices, and AM/FM radio.
Does it support a backup camera?
It supports switching to a camera signal through its camera input. The camera itself is sold separately.
How much power does it output?
It includes a built-in amplifier rated at 60 watts per channel across 4 channels, with preamp outputs available for additional speaker or subwoofer setups.
Do I need a relay for the accessory (star) button?
Yes. The accessory button is designed to control accessories, but a relay is needed and is not included.
What installation considerations should I keep in mind?
Because it is a wired receiver with power and speaker connections, plan for proper installation and power wiring. If you are unsure, professional installation is recommended for safe and proper functionality.
Is there support for a wired remote?
Some buyers report that a wired remote setup is not supported as expected, so if remote control is required for your setup, confirm compatibility before purchasing.
Specifications
| Product Title | BOSS Audio Systems MGV550B Marine Gauge Receiver - Weatherproof, 5 Inch Touchscreen, Built-in Amplifier, Bluetooth, Digital Media MP3 Player, No CD Player, USB Port, AM/FM Radio |
|---|---|
| Category | Electronics > Car & Vehicle Electronics > Car Electronics > Car Audio > Car Stereo Receivers |
| Brand | BOSS Audio Systems |
| Manufacturer | BOSS Audio Systems |
| Model Number | MGV550B |
| Color | Black |
| Item Weight | 3.2 Pounds |
| Connectivity Technology | Auxiliary, Bluetooth, USB |
| Controller Type | Hand Control |
| Other Special Features of the Product | Built-In Bluetooth, Touchscreen, Weatherproof, rear camera input |
| Compatible Devices | Smartphone, Personal Computer, Speaker |
| Connector Type | 3.5mm Jack, USB |
| Audio Output Mode | Stereo |
| Surround Sound Channel Configuration | 4.0 |
| Output Power | 60 Watts |
| Number of Channels | 4 |
| Output Wattage | 240 Watts |
| Supported Internet Services | Pandora, Spotify |
| Control Method | Touch |
| Audio Output Type | Speakers |
| Wireless Technology | Bluetooth |
| Format | MP3 Audio |
| UPC | 791489126175 |
| Global Trade Identification Number | 00791489126175 |
| Mfr Part Number | MGV550B |
| Warranty Description | BOSS Audio Systems provides a powerful 3-year platinum online dealer warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality |
| Item Type Name | BOSS Audio Systems MGV550B Marine Gauge Receiver - Weatherproof, 5 Inch Touchscreen, Built-in Amplifier, Bluetooth, Digital Media MP3 Player, No CD Player, USB Port, AM/FM Radio |
Available variants
Style
- MGR250B + 4 Speakers
- MGV550B Receiver
- MGV500B Receiver
- MGR250B Receiver
- MGV520B Receiver
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