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🏍️ Turn your ride into a mobile concert with BOSS-level sound!
The BOSS Audio Systems MCBK425BA features dual 3-inch full-range speakers with a built-in Class D amplifier delivering up to 600 watts of power. Its IPX5 weather-resistant rating protects against rain and splashes, while Bluetooth streaming with a 10-meter range and a 3.5mm Aux input provide versatile connectivity. Adjustable handlebar mounts fit most motorcycles and ATVs, making it the ultimate sound upgrade for riders who demand premium audio on the go.






| Additional Features | 3" (76 mm) Matte Black Speakers (1 Pair), Aux-In, Bluetooth® Audio Streaming Stream and Control your Favorite Music APPs, Built-in Full-Range, Class D Amplifier, Compatible with Audio Output of iPod®/iPhone®, Handle Bar Mount, IPX-5 Rated Speakers > Not Submergible > Weather Resistant, In-line Fuse, In-line Volume & Power Control |
| Age Range Description | Adult |
| Antenna Location | For Smartphones or Tablets, Tablets |
| Asin | B07GBHLDNB |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 1 days |
| Best Sellers Rank | #123 in Powersports Speaker Systems #1,491 in Portable Bluetooth Speakers |
| Bluetooth Range | 10 meters |
| Brand | BOSS Audio Systems |
| Built In Media | Product Brochure |
| Color | Black |
| Compatible Devices | Receiver |
| Compatible With Vehicle Type | Motorcycle |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | Bluetooth |
| Control Method | Touch |
| Controller Type | Remote Control |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.2 4.2 out of 5 stars (619) 4.2 out of 5 stars |
| Enclosure Material | Plastic |
| Frequency Response | 15 KHz |
| Global Trade Identification Number | 00791489125765 |
| Impedance | 4 ohm |
| Input Voltage | 12 volts |
| Is Waterproof | FALSE |
| Item Dimensions D X W X H | 4.1"D x 4.65"W x 6.22"H |
| Item Type Name | BOSS Audio Systems MCBK425BA 3 Inch Motorcycle Speakers – Built-in Bluetooth Amplifier, Weatherproof, Volume Control, ATV UTV Compatible |
| Item Weight | 3.5 pounds |
| Manufacturer | BOSS Audio Systems |
| Model Name | MCBK425BA |
| Model Number | MCBK425BA |
| Mounting Type | Handlebar Mount |
| Number Of Audio Channels | 2 |
| Number Of Circuits | 1 |
| Number Of Items | 1 |
| Number Of Power Levels | 5 |
| Series Number | 425 |
| Signal To Noise Ratio | 75 db |
| Speaker Maximum Output Power | 600 watts |
| Speaker Size | 3 inches |
| Speaker Type | Coaxial |
| Specific Uses For Product | Motorcycle |
| Subwoofer Connectivity Technology | Wireless |
| Subwoofer Diameter | 3 inches |
| Tweeter Diameter | 1 inches |
| Unit Count | 6 Count |
| Upc | 779420946860 791489125765 |
| Warranty Description | 3 Years Parts and Labor |
| Warranty Type | Extended |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |
| Woofer Diameter | 3 inches |
User
GREAT SPEAKERS
These are great! They are actually motorcycle speakers but I put them on my ATV! Very good quality and loud! They come with a volume knob that works great! I would recommend these!
User
Best bang for buck
These work amazing use them on my dual sports and adventure bike super loud and clear audio . They do not carry bass well at all and will sound distorted if you don't set the eq to low gas or high vocal or manual decrease the bass in settings but mids and highs with a little bass phenomenal . You can hear clearly over the wind on the road but can get muffled if exhaust is too loud or wind too high . Side not went out at one point and vendor sent a replacement with ease under warranty .
User
Good system for a good price
EDIT 5/19/23:Over a year later and these are still functioning exactly the same as when I installed them. The sound and volume remain the same, as well as the speed of connecting to my phone. All wiring and physical connections are good. No issues. Still 5 stars for me.ORIGINAL REVIEW 4/22/23:I'm not sure if other reviewers received a different unit, but the one I got is great. The one I received had an inline fuse and power switch, and seems to be robust, although I've only riden with them for two days, so time will tell and I'll update this review if anything changes.The installation is very simple, and I was glad to see that the speakers fit on my risers and nested pretty well in the speedo and tach humps in my t sport fairing on my fx softail. Like I said, I'm not sure if other reviewers received a different unit, but this one is plenty loud at 70mph with my 96in motor and short shots. In fact I don't need to turn it up all the way to clearly hear it, maybe 75%.The sound is fairly flat eq wise, and at lower speeds it has okay bass, but the limiting factor is the size of the cones. But here's the thing, when riding a bike, your ear has trouble hearing bass frequencies anyway, and the loudest sounds will be mid-high. It's not that the unit is bright on the top end rather that the signature is flat, and higher frequencies can be piercing at high volume depending on the track, but I don't find it fatiguing if the volume is adjusted accordingly.I think these speakers are a good value for the cost and sound, I'm happy with my purchase, and I'm glad I bought these over the cheaper options.
User
Good Speakers
Good speakers for the price. Have them mounted on the handlebars of my Harley 1200 and can barely hear them at speeds over 45-50mph. To be fair, my exhausts are pretty loud. They connect to Bluetooth easily and I like the on/off/volume knob. There is a mile of excess wire so I ended up cutting it out and then soldering the ends back together. It was a pain but it looks much better than having a bundle of wire zip tied with no good place on the bike to hide it. Overall a good set of speakers.
User
Honda Vt750
My bike isn't loud. The speakers are pretty loud. I can hear them going higher speeds. It does lack bass but maybe I can adjust that with an app on my phone.I just wanted some music more than anything, but other than the bass, the sound quality is good. I listen to all kinds of music genres as well.Install was easy. I ran the wires under the tank and hooked them to the battery. I also ran LED lights to my battery prior, and it's no problem at all.For the price especially, they're great.Edit: It's June 2026 and they're about toast. For at least 6 months, I've been having to mess with the wires like you do when it's time to replace them. It's about toast, and I'm probably gonna try another brand this time.Idk if that's good or bad. I'm just saying.
User
awesome, till speaker quit bumping
i really enjoyed them, a lot actually. the set-up was easy (still wanted to re-do the wiring for aesthetic reasons, but it worked for the time being) and the volume was surprisingly sufficient. like other reviews say it gets drowned out over (i say) 70, so not for highway, but in town...pshh you can't beat 'em. the volume control is A MUST.BUT, after just a few months of riding with these happy as a clam living life....the left speaker started to cut out randomly. I checked the connections and wiring. all fine. I tried it the next day and both worked, odd. then while riding it cut out again, came on, cut out again, repeat repeat till yesterday when i lost the speaker all together. no muffled noise, nothing. best guess is some sort of fitment of internal wiring was off, so quality control issue. that's coming from an electrician. i am not happy that when inspecting on how i am gonna have to take this all off now that even with the gaffers tape i added as extra cushion between my bars and the clamps my handlebars (black) were rubbed and scratched. so, warning if you have over 25mm (1") bars then you'll have to figure out another solution to avoid this but with so very thin of a space to add padding. either way i'm starting a claim with the insurance i bought with them and i will update this post once i see how Boss handles my disappointment. The thing is, i still want the exact same product still! they were just not set up properly. i'm ready for a new set and really kinda put off that i have to go through the bull of removal, returns/exchange, shipping, blah blah....i'm not asking a lot out of a sound system just functional sound would help.
User
Will be buying these again!
They sound great and have a good connection for Bluetooth. I can hear them inside our house when my husband plays them outside and it’s pretty clear even in the house! There is plenty of cord length for hookup. They are on my husbands motorcycle and he wants some for our fourwheeler as well. They work great and are nice looking while feeling well made. These are nice, durable speakers for a good price!
User
DON’T GET THEM WET
Don’t get them wet.First trip made I was excited to have music on this trip. I made it to my destination then on the way home it rained for about 1/2 hour. When they started cracking I turned them off. Next day they wouldn’t even turn on.
User
Must Buy
Sounds is good for how little they are. Not a lot of bass but they are great. They are extremely durable.
User
Boss motorcycle speakers MC 425 BA
Product did not meet expectationsVolume is too lowHardly can not hear above 40 kmph
User
Le meilleur son de tout les hp moto velo
Utilisé pour monter sur un velo chopper, j avais deja acheté le produit une fois. Super qualité. Prenez surtout la version avec ampli externe qui est excellente, grosse grosse puissance , la version avec ampli integré n a rien a voir 4x moins fort et mauvaise qualité de son
User
Excelente producto
Se siente de material de buena calidad, el sonido es potente, no requiere una instalación muy complicada. Solo es directo a la batería. Cuenta con apagador, con su control de volumen de perilla y un jack de mini plug. Todo es por Bluetooth, puedes controlar todo. No cuenta con control, no se requiere.En mi opinión suena muy fuerte y por el precio siento que fue una compra muy buena.Actualización. Octubre 15, dejaron de funcionar. Las mande reparar y comentaron que la bocina donde está la tarjeta se quemo, y al parecer el pre amplificador está dañado. La otra bocina no sufrió daños.El uso que se les dio fue de 30 minutos a 60 minutos casi diario. A un volumen del 90%. Jamás se uso el 100 y tampoco se expuso a lluvias.Actualización: 01-11-23El producto se quemo, la bocina del lado derecho, la que tiene el sistema de amplificación se quemo, dejo de sonar de pronto, la tarjeta no se ve dañada, ni quemada pero huele todo a quemado y no enciende. Una lástima.
User
Bluetooth disconnect
Bluetooth is disconnecting again and again nd error in playing songs
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2 weeks ago
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