






🎵 Turn every ride into a concert—boss your sound, rain or shine!
The BOSS Audio Systems BM40AMPBT is a rugged, marine-grade 4-inch 2-way speaker pair delivering 500 watts of amplified power. Featuring IPX5 weatherproofing, built-in Bluetooth with auto-reconnect, and a 1” dome tweeter for wide sound dispersion, it’s engineered for ATV, UTV, and boat use. Includes auxiliary input and remote control, backed by a 3-year platinum warranty for reliable, high-performance audio on any adventure.










| Material | Plastic |
| Model Name | BM40AMPBT |
| Speaker Type | Tweeter |
| Special Feature | Waterproof |
| Recommended Uses For Product | Music |
| Compatible Devices | Smartphone, Tablet, MP3 Player |
| Subwoofer Diameter | 4 Inches |
| Unit Count | 1.0 Count |
| Color | Black |
| Included Components | Speakers, Bluetooth remote |
| Product Dimensions | 5.4"D x 7.4"W x 7.2"H |
| Item Weight | 8 Pounds |
| Impedance | 4 Ohm |
| Is Waterproof | TRUE |
| Warranty Type | Limited |
| Number of Items | 1 |
| Control Method | Remote |
| Wireless Communication Technology | Bluetooth |
| Speaker Size | 4 Inches |
| Power Source | Battery Powered |
| Woofer Diameter | 4 Inches |
| Tweeter Diameter | 2.54 Centimeters |
| Vehicle Service Type | ATV, UTV, Boat |
| Water Resistance Level | Waterproof |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 10.16 Centimeters |
| Connectivity Protocol | Bluetooth |
| Includes MP3 player? | Yes |
| UPC | 791489124607 |
| Style | 4" Speakers Black 500W |
| Customer Package Type | Standard Packaging |
| Global Trade Identification Number | 00791489124607 |
| Controller Type | Battery Powered |
| Manufacturer | BOSS Audio Systems |
| Item Weight | 7.95 pounds |
| Item model number | BM40AMPBT |
| Is Discontinued By Manufacturer | No |
| Warranty | 3 Year Platinum Online Dealer Warranty valid only on products Sold / Shipped by Amazon.com. This offer is not valid on purchases made from third party market place sellers |
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