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🏍️ Rock your ride with unstoppable sound and style!
The BOSS Audio Systems MCBK425BA is a compact 3-inch motorcycle speaker set featuring a built-in 600W amplifier and Bluetooth connectivity with a 10-meter range. Designed for durability, it offers weatherproof protection and adjustable mounting brackets for handlebars between 0.75” and 1.5”. Compatible with smartphones and MP3 players via Bluetooth or 3.5mm aux input, it delivers powerful stereo sound optimized for outdoor use. Backed by a 3-year platinum warranty, it’s the ultimate audio upgrade for riders seeking premium sound on the go.






| ASIN | B07GBHLDNB |
| Additional Features | Bluetooth, Built In Amplifier, Weatherproof |
| Age Range Description | Adult |
| Antenna Location | For Smartphones or Tablets, Tablets |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 1 days |
| Best Sellers Rank | #107 in Powersports Speaker Systems #1,405 in Portable Bluetooth Speakers |
| Bluetooth Range | 10 meters |
| Brand | BOSS Audio Systems |
| Built-In Media | Volume control |
| 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 out of 5 stars 618 Reviews |
| 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 | 6.22"D x 4.65"W x 4.1"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 Circuits | 1 |
| Number of Audio Channels | 2 |
| Number of Items | 2 |
| Number of Power Levels | 5 |
| Power Source | 12V DC Power Supply |
| Series Number | 425 |
| Signal-to-Noise Ratio | 75 db |
| Speaker Maximum Output Power | 600 watts |
| Speaker Size | 3 inches |
| Speaker Type | Outdoor |
| Specific Uses For Product | Motorcycle |
| Subwoofer Connectivity Technology | Wireless |
| Subwoofer Diameter | 3 inches |
| Tweeter Diameter | 1 inches |
| UPC | 779420946860 791489125765 |
| Unit Count | 6 Count |
| Warranty Description | BOSS Audio Systems provides a powerful 3-year platinum online dealer warranty so long as the purchase is made through Amazon. |
| Warranty Type | Extended |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |
| Woofer Diameter | 3 inches |
C**B
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!
C**R
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.
J**Y
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.
B**M
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.
T**R
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.
L**Y
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!
B**D
Speakers are great
This product is nice and I can hear the speakers well but if using a iPhone you need to go into audio settings and change settings that protect your ears because it thinks you are using headphones but overall great product
M**E
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.
M**Y
Must Buy
Sounds is good for how little they are. Not a lot of bass but they are great. They are extremely durable.
J**I
Boss motorcycle speakers MC 425 BA
Product did not meet expectations Volume is too low Hardly can not hear above 40 kmph
P**U
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
S**S
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: 01-11-23 El 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.
M**H
Bluetooth disconnect
Bluetooth is disconnecting again and again nd error in playing songs
Trustpilot
4 days ago
2 months ago