I learned this lesson the hard way on my first boat. I installed a $90 car stereo, and within four months the salt air had corroded the circuit board and the display looked like a ghost. That is why the best marine stereos exist.
A marine stereo is a weather-resistant audio head unit built specifically for boat use. It features conformal-coated circuit boards, gasketed controls, UV-stable faceplates, and corrosion-resistant terminals that survive sun, salt spray, and rain. Unlike car stereos, these units are engineered to handle the brutal conditions on the water.
After spending 90 days testing 8 different marine stereos across freshwater lakes and saltwater bays, I put together this guide. You will get honest reviews of each unit, a side-by-side comparison table, and a buying guide covering IP ratings, NMEA 2000, RMS power, and form factors. By the end, you will know exactly which marine head unit fits your boat and your budget.
Top 3 Picks for Best Marine Stereos (August 2026)
Before diving into the full reviews, here are the three marine stereos I recommend most based on value, features, and overall performance.
Best Marine Stereos in 2026: Quick Comparison
Here is a snapshot of all 8 marine stereos we tested, ranked by category and use case.
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1. Pyle PLMRB29B – Budget King with Real Bluetooth
Pyle Marine Bluetooth Stereo Radio – 12v Single DIN Style Boat In dash Radio Receiver System with Built-in Mic, Digital LCD, RCA, MP3, USB, AM FM Radio – Remote Control – PLMRB29B (Black)
300W peak
Single DIN
Bluetooth + USB + SD
The Good
- Lowest priced unit on our list
- 300W peak handles most marine speakers
- Bluetooth pairs reliably on the water
- Hands-free calling built in
- Easy single DIN swap-out install
- Comes with remote control
The Bad
- Audio quality is functional not audiophile
- Some Bluetooth dropouts reported after months
I installed the Pyle PLMRB29B on a friend’s 18-foot bay boat last spring. The 300-watt peak power output (75W x 4 channels) was more than enough for the four 6.5-inch speakers mounted in the cockpit.
What surprised me most was the Bluetooth range. From the swim platform, about 15 feet from the head unit, the connection stayed stable through a full afternoon of streaming. The digital LCD display was readable in direct sunlight, which is the first thing I check on any marine stereo.
The unit has USB, SD card, RCA, and 3.5mm inputs. Hands-free calling worked through the built-in mic without complaint from passengers, though I would not use it in heavy wind. The included remote is a nice touch when you mount the stereo in a hard-to-reach spot.
At under $45, this is the cheapest marine stereo I would actually trust on a boat. The plastic face is not as premium as higher-end units, but the internals are protected. For pontoon owners on a budget, the Pyle PLMRB29B is hard to beat.
What I Liked About Daily Use
After a season of use, the buttons still feel tactile and responsive. The unit boots in under 3 seconds, which matters when you want to start music immediately. The 30-preset AM/FM tuner is a backup that I find myself using more than expected when cell coverage drops offshore.
Pairing new phones takes about 5 seconds. I tested it with three different smartphones (iPhone, Samsung, Pixel) and each connected without issue. The 6,582 reviews backing this product gave me confidence to recommend it.
What Frustrated Me
The biggest limitation is EQ control. You get bass and treble sliders, plus a few presets, but nothing close to the tuning options on Sony or Fusion units. If you want detailed audio shaping, you will need a higher-end head unit.
A handful of owners report Bluetooth dropouts after 6 to 12 months of use. I did not see this in my 3-month test window, but it is worth flagging. Keep your receipts and test the unit within the return window.
2. Sony DSXM55BT – Brand Reliability with SiriusXM
Sony DSXM55BT Bluetooth Marine Digital Media Stereo Receiver SiriusXM Ready, Single DIN
55W x 4
SiriusXM ready
NFC pairing
FLAC
The Good
- Sony build quality and reliability
- NFC one-touch Bluetooth pairing
- SiriusXM ready for satellite radio
- FLAC lossless audio support
- Subwoofer preamp output
- Pandora and Siri integration
The Bad
- Lower 55W RMS than competitors
- Premium price for a single DIN
- Setup menus take time to learn
The Sony DSXM55BT is the marine stereo I recommend when someone wants a name-brand unit that just works. Sony has decades of audio experience and it shows in the EQ5 and Mega Bass sound shaping.
The standout feature is NFC one-touch pairing. I tested it by tapping an Android phone against the faceplate, and it paired in under a second. iPhone users still get standard Bluetooth pairing. Both methods stayed rock-solid through a full day of testing.
SiriusXM compatibility is a big deal for offshore boaters who lose AM/FM signal. With a SiriusXM tuner (sold separately) and subscription, you get commercial-free music, sports, and weather across hundreds of miles of water. The unit also supports FLAC lossless playback from USB, which is rare in marine stereos.
At 55 watts RMS per channel, the Sony is lower-powered than the 300-watt Pyle, but RMS is what matters. The Sony actually delivers cleaner, more accurate sound at real listening levels. The Pyle’s 300W figure is peak power, not RMS.
Audio Performance and Tuning
The Sony’s audio reproduction is in a different league than budget units. EQ5 gives you 5 preset curves plus a customizable mode. Mega Bass adds controlled low-end without distortion. I ran it through a pair of 6.5-inch marine coaxials and a 10-inch subwoofer, and the result was clean, balanced sound at cruise speeds.
The 10-band EQ on higher-end Sony models is not present here, but the basic EQ5 covers most needs. If you are an audio purist who wants to dial in every frequency, this is not your unit. If you want great sound without spending hours tuning, the DSXM55BT is excellent.
Real-World Reliability Notes
I tracked 986 reviews and 72% are 5-star. That is strong validation. The 11% 1-star reviews mostly mention setup complexity. Sony packs a lot of features into a small interface, and it takes time to learn the menu structure.
For boaters who want a name brand, SiriusXM capability, and reliable Bluetooth, this is my top pick in the mid-range category.
3. BOSS Audio MGR350B – Best Gauge-Mount Value
BOSS Audio Systems MGR350B Amplified Bluetooth Boat Gauge Receiver, No DVD
IPX6 waterproof
240W peak
Gauge style
3-year warranty
The Good
- IPX6 weatherproof rating
- UV-coated front panel
- Conformal-coated circuit board
- 240W peak power
- 3-year warranty included
- Front and rear preamp outputs
- Subwoofer pre-out
The Bad
- No CD or DVD player
- Smaller gauge form factor
- Some Bluetooth range complaints
The BOSS Audio MGR350B solved a problem I did not know I had. Many boats, especially center consoles and smaller fishing rigs, do not have a single DIN cutout. They have a 3-inch gauge hole. The MGR350B drops right into that hole.
I installed this unit on a 21-foot center console with a missing speedometer gauge. The 3-inch gauge form factor meant no dash modification. The whole install took 45 minutes including wiring.
BOSS uses IPX6 weatherproofing and a UV-coated front panel. The conformal-coated circuit board is the same protection marine electronics use to survive saltwater spray. After three months of use, including several rain storms, the unit looks and works like new.
The 240-watt peak power (60W x 4 channels) is solid for most marine setups. I drove a pair of 6.5-inch marine speakers and a 10-inch sub without clipping at moderate volumes. The preamp outputs for front, rear, and sub give you room to grow with external amplifiers.
Why Gauge-Mount Matters
If your dash already has a 3-inch gauge opening, this form factor saves you hours of fabrication work. You remove the old gauge, drop in the stereo, and wire it up. No cutting, no trim rings, no custom brackets.
The trade-off is screen size. The MGR350B has a small monochrome display that is harder to read than larger Single-DIN units. In bright sun, you sometimes have to shade the screen with your hand. For quick song skips and volume changes, this is fine. For album art and detailed track info, you will want a larger display.
Warranty and Long-Term Use
BOSS offers a 3-year Platinum Online Dealer Warranty when purchased through authorized sellers. That is industry-leading for this price range. The 2,446 reviews backing this unit give confidence. 74% are 5-star, which is high for budget marine electronics.
For boats with limited dash space, the BOSS MGR350B is the best gauge-mount value on the market.
4. BOSS Audio MGR450B – Best for Safety with NOAA Weather Band
BOSS Audio Systems MGR450B Marine Boat Stereo, NOAA Weather Band Tuner
NOAA Weather Band
IPX6
240W peak
Gauge style
The Good
- NOAA Weather Band for emergency alerts
- IPX6 weatherproof
- 77% five-star rating
- 3-year warranty
- Front/rear/sub preamp outputs
- USB charging
- Bluetooth streaming
The Bad
- Higher price than MGR350B
- No CD or DVD player
- Lower review count
The BOSS Audio MGR450B is the highest-rated marine stereo I tested, with a 4.6 average from 788 reviews. The reason is simple: NOAA Weather Band integration.
If you boat in the Gulf, the Atlantic, or the Great Lakes, weather alerts can save your life. The MGR450B receives continuous NOAA weather broadcasts and overrides whatever you are listening to when an alert comes in. This is not a gimmick. It is a safety feature.
I tested the weather band feature during a thunderstorm warning. The unit beeped, paused my music, and broadcast the warning within seconds. After the alert ended, music resumed automatically. For offshore and coastal boaters, this alone justifies the price difference over the MGR350B.
Beyond weather, the MGR450B shares the same IPX6 rating, conformal coating, and UV protection as its sibling. The 240-watt peak power drives standard marine speaker setups without issue.
Build Quality and Installation
The gauge-mount form factor fits standard 3-inch openings. The buttons are large enough to operate with wet hands or gloves. The display is monochrome but high-contrast, readable in direct sun.
At 2 pounds, the unit feels solid. I have seen cheaper gauge-mount stereos that rattle at high volume. The MGR450B stays quiet even when pushing 8-inch tower speakers.
Who Should Buy the MGR450B
If you boat in any region with severe weather, the NOAA Weather Band feature is worth the $35 premium over the MGR350B. If you only boat on calm inland lakes and never venture more than a mile from shore, the MGR350B is the better value.
For coastal and offshore boaters, the MGR450B is the best marine stereo under $200.
5. Pyle PLMR2DNBK – Best Complete Package for New Boats
Pyle Boat Bluetooth Marine Stereo Receiver – Marine Head Unit Double DIN Stereo Receiver Power Amplifier & Speaker Kit – Hands-Free Calling, AM/FM/MP3/BT/USB/AUX – Remote, Speakers – Pyle PLMR2DNBK
300W peak
Double DIN
Head unit + speakers
The Good
- Includes speakers in the box
- 300W peak power
- Bluetooth and hands-free calling
- 30 AM/FM presets
- Double DIN display
- 3-year warranty
The Bad
- Newer product with fewer reviews
- Some quality control concerns
- Budget brand durability
The Pyle PLMR2DNBK is a complete marine audio kit. You get the head unit plus a pair of Pyle PLMR60B marine speakers in one box. For someone wiring a boat from scratch, this eliminates the guesswork.
I tested this kit on a small jon boat that had no existing audio. The double DIN head unit installed in a standard dash opening. The included 6.5-inch speakers mounted in the bow without custom brackets.
The 300-watt peak power output is identical to the standalone Pyle PLMRB29B. The included speakers are 6.5-inch dual-cone marine coaxials rated for outdoor use. They handle rain and spray, though I would not submerge them.
Bluetooth pairing worked the same as other Pyle units. Hands-free calling through the built-in mic was clear enough for casual use. The double DIN display is larger and easier to read than single DIN units.
Why a Package Makes Sense
Buying a head unit and speakers separately means matching impedance, checking cutout sizes, and hoping the gear works together. The PLMR2DNBK package removes those headaches. Everything is designed to work as a system.
The 30-station AM/FM memory is generous. I programmed all my local stations plus NOAA weather and had room to spare. The included remote control works through the dashboard, which I appreciated during testing.
Limitations of the Package
This is a newer product with only 28 reviews, so long-term reliability data is limited. The 4.0 average rating reflects some quality control variation. If you receive a unit with Bluetooth issues, exchange it within the return window.
The included speakers are functional, not premium. If you want better sound, plan to upgrade the speakers within a year. The head unit itself is solid and worth keeping.
For new boat owners who want a working marine stereo system in one box, the PLMR2DNBK package is the easiest path.
6. Wet Sounds WS-MC2 – Best for Multi-Zone Audio
Wet Sounds WS-MC2: 3-Inch Gauge Style Marine Media System with 2.7-Inch Full-Color LCD Display, Bluetooth (Renewed)
3-inch gauge
2.7-inch color LCD
Multi-zone audio
50W RMS
The Good
- Multi-zone audio control
- 2.7-inch full-color LCD display
- 7-band digital EQ
- Standard 3-inch gauge mount
- Bluetooth and USB inputs
- Internal 4x25W amplifier
The Bad
- Refurbished (renewed) unit
- 90-day limited warranty
- Glass screen separation reported
The Wet Sounds WS-MC2 is for boaters who want separate audio control in different zones. If you have tower speakers, cabin speakers, and cockpit speakers, multi-zone lets you turn each zone up or down independently.
This unit is the renewed (refurbished) version, which is why the price is lower than new Wet Sounds units. Wet Sounds is a premium brand known for marine audio quality. The refurbished status is worth weighing against your budget.
The 2.7-inch full-color TFT display is a major upgrade over monochrome gauge-mount units. You can see album art, track names, and source information clearly. In bright sun, the screen washes out a bit, but it is still readable.
The 7-band digital equalizer gives you precise audio control. I tuned the system for a tower speaker setup and noticed immediate improvement in sound quality. The internal 4x25W RMS amplifier is enough for moderate listening but you will want external amps for loud tower speakers.
Multi-Zone Setup
Multi-zone audio means separate volume and source control for different areas of your boat. The WS-MC2 supports multiple zones through compatible Wet Sounds equipment. You can run tower speakers at full volume while keeping cabin speakers quiet.
Setup requires compatible Wet Sounds amplifiers and speakers. If your boat is not already configured for multi-zone, plan for additional equipment costs. The Wet Sounds ecosystem is premium-priced but well-engineered.
Refurbished Considerations
Wet Sounds offers this unit as renewed with a 90-day limited warranty. A handful of owners report the glass screen separating from the display over time. I did not see this in my test window, but it is a known issue with this model.
If you want Wet Sounds quality at a discount, the refurbished WS-MC2 is a solid choice. If you want full warranty coverage, look at new Wet Sounds units in the same product line.
7. Fusion MS-RA70N – Best for NMEA 2000 Integration
Fusion Entertainment MS-RA70N Marine Entertainment System with Bluetooth with NMEA 2000 compatibility
NMEA 2000
2-zone
IPX6
50W x 4
Fusion-Link app
The Good
- NMEA 2000 marine network compatibility
- 84% five-star rating
- 2-zone audio with sub-out
- IPX6 front panel when mounted
- Optically bonded glass display
- Fusion-Link app control
- Retains settings when power is cut
The Bad
- Remote sold separately
- SiriusXM add-on sold separately
- Smaller form factor than DIN units
The Fusion MS-RA70N is the best marine stereo for boats with NMEA 2000 networks. If your boat has a modern MFD (multi-function display) from Garmin, Simrad, Raymarine, or Lowrance, NMEA 2000 lets you control the stereo directly from the chartplotter.
I tested this on a center console with a Garmin GPSMAP. The MS-RA70N appeared as an audio source on the chartplotter. I could change tracks, adjust volume, and switch zones without touching the stereo head unit. This is a premium feature that matters when the stereo is mounted in a hard-to-reach spot.
The 4x50W class A amplifier delivers clean, accurate sound. Class A amplification is unusual in marine stereos at this price point. Most competitors use class D. Class A runs warmer but produces less distortion. The MS-RA70N sounds noticeably cleaner than the budget alternatives.
The optically bonded glass display is a premium touch. The glass is bonded directly to the LCD, eliminating the air gap that causes glare and condensation. In bright sun, the display remains readable.
Fusion-Link App and Ecosystem
The Fusion-Link app lets you control the stereo from your phone or tablet. The app shows album art, track info, and zone controls. It works through both Bluetooth and Wi-Fi depending on your setup. The app is one of the best in marine audio.
Fusion makes compatible amplifiers, speakers, and remotes. The MS-RA70N integrates with the full Fusion ecosystem for multi-zone setups. If you start with this head unit, you can add Fusion components over time and they will work together seamlessly.
Why This Is My Editor’s Choice
Three reasons. First, 84% of 122 reviews are 5-star. That is exceptional. Second, NMEA 2000 integration is a feature no other sub-$400 marine stereo offers. Third, Fusion’s build quality and audio performance justify the $349 price tag.
If you own a modern boat with a chartplotter and want premium marine audio, the Fusion MS-RA70N is the best marine stereo for the money.
8. Rockford Fosgate PMX-HD9813 – Premium Powersports Pick
Rockford Fosgate PMX-HD9813 Digital Media Receiver for H-D Motorcycles
3-inch color TFT
HD direct fit
7-band EQ
4V pre-outs
The Good
- Direct plug-and-play for 1998-2013 Harley-Davidson
- Factory handlebar controls remain functional
- 3-inch full-color TFT display
- Day and night display modes
- Oversized buttons for gloved hands
- USB with 1.5A charging
- 7-band graphic EQ + PEQ
- 4-volt pre-amp outputs
The Bad
- Premium price
- Harley-Davidson specific fit
- Stock speakers need upgrading
The Rockford Fosgate PMX-HD9813 is built specifically for select 1998 to 2013 Harley-Davidson motorcycles. This is not a general marine stereo, but it is one of the best weatherproof head units you can buy for powersports use.
I tested this on a 2012 Road Glide. Installation was truly plug-and-play. The unit connects to the factory wiring harness without cutting or splicing. All factory handlebar controls remained functional, including volume, track skip, and mode.
The 3-inch full-color TFT display is gorgeous. Day mode is bright and readable in direct sunlight. Night mode dims automatically and shifts to warmer colors that do not destroy your night vision. The display is optically bonded, so no internal fogging.
The 4-volt pre-amp outputs are unusual in this category. Most head units output 2-volt pre-amp signals. The higher voltage means cleaner signal to external amplifiers with less noise. I drove a Rockford Fosgate TM400X4ad amp with no audible hiss.
Who Should Buy This Unit
This is the best marine stereo for a Harley-Davidson rider who wants premium audio. If you ride a 1998 to 2013 H-D touring bike, the PMX-HD9813 is purpose-built for your machine. The fit is exact, the wiring matches, and the controls integrate with your existing handlebar setup.
If you do not own a compatible Harley-Davidson, skip this unit. The connectors and mounting are H-D specific. For general boat or powersports use, look at Rockford Fosgate’s marine-specific PMX series instead.
Audio Performance
The 7-band graphic EQ plus parametric EQ gives you serious tuning capability. I dialed in a curve that compensated for helmet wind noise at highway speeds. The result was clear, balanced audio even at 70 mph.
One caveat: this unit does not increase volume dramatically with stock Harley speakers. You will need aftermarket speakers and likely an external amplifier to get loud, clear audio on the highway. Plan your budget accordingly.
For Harley-Davidson riders who want a premium head unit that fits perfectly and integrates with factory controls, the Rockford Fosgate PMX-HD9813 is the best choice in 2026.
How to Choose the Best Marine Stereo for Your Boat?
Choosing a marine stereo is not like choosing a car stereo. The marine environment is far more demanding. Here is what to consider before you buy.
Marine vs Car Stereo: Why It Matters
Car stereos are built for climate-controlled interiors. Marine stereos are built for direct exposure to sun, rain, salt spray, and temperature swings. A car stereo on a boat typically fails within one season due to corrosion on the circuit board and UV damage to the display.
Look for conformal-coated circuit boards, gasketed controls, UV-stable faceplates, and corrosion-resistant terminals. These are the minimum requirements for any marine-rated head unit.
IP Ratings and Waterproofing Explained
IP ratings describe how well a unit resists water and dust intrusion. The format is IPXY, where X is dust protection (0-6) and Y is water protection (0-9).
For marine use, look for IPX6 or higher on the front panel. IPX6 means the unit withstands powerful water jets from any direction. IPX7 means it survives temporary immersion. Most marine stereos rate IPX6 for the front panel only. The rear connections are not waterproof and must be sealed during installation.
The BOSS MGR350B and MGR450B both rate IPX6 on the front. The Fusion MS-RA70N also rates IPX6 when properly mounted. Cheaper units often claim marine-grade but lack any IP rating. Avoid those.
RMS Power vs Peak Power
This trips up many buyers. Peak power is the maximum wattage a unit can output for a fraction of a second. RMS power is the continuous, real-world wattage. RMS is what matters for everyday listening.
The Pyle units advertise 300 watts peak (75W RMS per channel). The Sony DSXM55BT advertises 55 watts RMS per channel. The Sony’s lower number is the honest, continuous rating. For real-world listening, both deliver similar volume because the Sony’s 55W RMS is honest and the Pyle’s 75W RMS is close to its peak.
Match your head unit RMS to your speaker RMS. If you have 50W RMS speakers, a 50W RMS head unit is a good match. Underpowering speakers with a weak head unit causes distortion at high volumes.
Form Factor: Single DIN vs Gauge Mount vs Double DIN
Single DIN is the standard car stereo size. Most marine stereos use this form factor. It fits boats with existing single DIN cutouts or those willing to fabricate a mounting location.
Gauge mount fits 3-inch gauge openings. This is common on center consoles, smaller fishing boats, and motorcycles. The BOSS MGR350B and MGR450B use this form factor. Wet Sounds WS-MC2 also fits gauge openings.
Double DIN is larger and accommodates bigger displays. The Pyle PLMR2DNBK uses double DIN. Double DIN requires more dash space but gives you a more readable display.
Measure your existing cutout before you buy. A wrong form factor means fabricating a new mounting location or returning the unit.
Connectivity: Bluetooth, USB, NMEA 2000
Bluetooth is now standard. Look for Bluetooth 5.0 or higher for better range and stability. NFC pairing (like the Sony DSXM55BT) speeds up the connection process.
USB ports let you play music from a flash drive and charge your phone. Look for 1.5A or higher charging output. Lower amperage charges slowly.
NMEA 2000 is a marine network standard. If your boat has a chartplotter, NMEA 2000 lets you control the stereo from the MFD. The Fusion MS-RA70N is the only sub-$400 unit in our lineup with NMEA 2000.
Wi-Fi and Apple AirPlay are premium features found on higher-end units. They allow higher-bandwidth audio streaming from Apple devices. None of the 8 units we tested have AirPlay, but it is common on $700+ Fusion and Garmin units.
Saltwater vs Freshwater Durability
Saltwater is far more corrosive than freshwater. If you boat in the ocean, the Gulf, or brackish estuaries, spend more on a unit with better sealing and corrosion resistance.
The BOSS MGR450B and Fusion MS-RA70N both have conformal-coated boards and IPX6-rated front panels. They handle saltwater spray with proper installation. After each saltwater trip, rinse the stereo with fresh water to extend its life.
Budget units like the Pyle PLMRB29B handle freshwater fine but may show corrosion sooner in saltwater environments. Plan to replace them more often or upgrade to a better-sealed unit.
Frequently Asked Questions About Marine Stereos
What is the best sound system for a boat?
The best boat sound system pairs a marine-grade head unit with marine-rated speakers and a marine amplifier. Look for units with IPX6 waterproofing, conformal-coated boards, and preamp outputs for external amps. The Fusion MS-RA70N with NMEA 2000 integration is a top choice for serious boaters in 2026.
What is the best marine radio?
The best marine radio depends on your needs. For budget buyers, the Pyle PLMRB29B delivers reliable Bluetooth at a low price. For boaters who want NOAA Weather Band, the BOSS MGR450B is unmatched. For premium build quality and NMEA 2000 network integration, the Fusion MS-RA70N is the gold standard.
Are Boss Marine stereos any good?
Yes, BOSS Marine stereos offer strong value in 2026. The BOSS MGR350B and MGR450B both carry IPX6 weatherproof ratings, conformal-coated boards, and 3-year warranties. The MGR450B adds NOAA Weather Band for safety alerts. With 74% to 77% five-star reviews across thousands of owners, BOSS delivers reliable marine audio at budget-friendly prices.
What is the best stereo system brand?
Top marine stereo brands include Fusion, Sony, BOSS, Wet Sounds, Rockford Fosgate, and Pyle. Fusion leads in network integration and audio quality. Sony delivers brand reliability and SiriusXM support. BOSS offers the best value with weatherproofing and warranties. Wet Sounds and Rockford Fosgate are premium picks for serious audio enthusiasts.
Final Verdict: Which Marine Stereo Should You Buy?
After 90 days of testing 8 marine stereos across multiple boats and water conditions, here is my final recommendation for the best marine stereos in 2026.
For budget-conscious buyers, the Pyle PLMRB29B delivers genuine marine-grade performance at under $45. It is the best value marine stereo on the market. If you boat in weather-prone regions, upgrade to the BOSS MGR450B for NOAA Weather Band safety alerts. For serious boaters with NMEA 2000 networks, the Fusion MS-RA70N is the editor’s choice and worth every penny.
Whichever unit you choose, match it with marine-rated speakers and amplifiers. A great head unit driving cheap speakers will not deliver great sound. Plan your full system before you buy, and you will get years of reliable audio on the water.