BOSS Audio Systems BM40AMPBT

BOSS Audio Systems BM40AMPBT 4-Inch Weatherproof Amplified Speaker System User Manual

Model: BM40AMPBT

Introduction

The BOSS Audio Systems BM40AMPBT is a self-contained, weatherproof amplified speaker system designed for use in ATVs, UTVs, and boats. This system includes a pair of 4-inch two-way speakers with integrated 1-inch tweeters and a built-in 500 Watt Max two-channel Class D amplifier. It features Bluetooth connectivity for wireless audio streaming and an auxiliary input for wired connections. This manual provides essential information for the proper installation, operation, and maintenance of your BM40AMPBT speaker system.

BOSS Audio Systems BM40AMPBT 4-inch weatherproof amplified speaker system with remote control

Image: The BOSS Audio Systems BM40AMPBT speaker system, showing two black weatherproof speaker pods and the inline Bluetooth remote control.

Safety Information

Always ensure proper wiring and connections to prevent electrical hazards.
Professional installation is strongly recommended to ensure proper and safe functionality.
Do not operate the system at excessively high volumes for prolonged periods to avoid hearing damage.
Ensure the system is securely mounted to prevent detachment during vehicle operation.
This product is designed to be weatherproof (IPX5 rated), but avoid submerging it in water.
Refer to local regulations regarding audio system usage in vehicles and marine environments.

Package Contents

Verify that all items are present in the package:

BM40AMPBT Speaker Pods (Pair)
Bluetooth Inline Multifunction Remote
Mounting Hardware (brackets, screws, rubber strips)
Wiring Harness

Contents of the BOSS Audio Systems BM40AMPBT package

Image: All components included in the BM40AMPBT package, including speakers, remote, and various mounting accessories.

Setup and Installation

Proper installation is crucial for optimal performance and safety. It is recommended to have this product professionally installed.

Mounting the Speakers

Select a suitable mounting location on your ATV, UTV, or boat's roll cage or wake tower. Ensure the location provides clear sound projection and does not obstruct vision or movement.
The mounting clamps are designed to fit bars with a diameter of 1.5 inches (38 mm) to 2 inches (51 mm) O.D.
Use the provided rubber strips to ensure a snug fit and prevent vibration or damage to the mounting surface.
Securely attach the speaker pods using the supplied mounting hardware. Do not overtighten, but ensure the speakers are firmly in place.

Dimensions and mounting clamp size for BOSS Audio Systems BM40AMPBT speakers

Image: Technical drawing showing the dimensions of the speaker pods and the compatible diameter range for the mounting clamps.

Wiring Connections

Connect the main power wire (typically red) to a fused 12V DC power source (e.g., vehicle battery). An inline fuse is included for protection.
Connect the ground wire (typically black) to a solid chassis ground point.
Connect the speaker wires from the primary speaker to the secondary speaker as indicated in the wiring diagram (refer to the diagram provided with your product for specific details).
Ensure all connections are secure and insulated to prevent short circuits and corrosion, especially in marine or outdoor environments.
Route all wiring away from moving parts, heat sources, and sharp edges.

Operating Instructions

Powering On/Off

The system powers on when connected to a 12V power source. The Bluetooth remote control typically has an illuminated power button or indicator.

Bluetooth Pairing

Ensure the BM40AMPBT system is powered on.
On your mobile device (smartphone, tablet, MP3 player), enable Bluetooth and search for available devices.
Select "BOSS Audio BM40AMPBT" (or similar) from the list of devices to pair.
Once paired, the system will automatically reconnect to the last device when powered on.

Using the Bluetooth Inline Remote

The inline multifunction remote allows control over your audio playback:

Play/Pause: Press the designated button to start or pause playback.
Track Control: Use the forward/backward buttons to skip tracks.
Volume Control: Adjust the volume using the +/- buttons.

BOSS Audio Systems BM40AMPBT speaker system mounted on a UTV

Image: The BM40AMPBT speaker system installed on a UTV, demonstrating its application in an outdoor environment.

Auxiliary Input

For devices without Bluetooth, connect them via the 3.5 mm auxiliary input. This connection is compatible with the audio output of iPods, iPhones, smartphones, and MP3 players.

Maintenance

Cleaning: Use a soft, damp cloth to clean the speaker enclosures. Avoid harsh chemicals or abrasive cleaners.
Connections: Periodically check all wiring connections for tightness and signs of corrosion.
Weather Protection: While weatherproof (IPX5 rated), it is advisable to cover the system or store the vehicle in a sheltered area during prolonged periods of non-use or extreme weather conditions.
Battery: The system features a low battery shut-off to protect your vehicle's battery.

Troubleshooting

Problem	Possible Cause	Solution
No sound from speakers	No power to the unit Incorrect wiring Bluetooth not connected or auxiliary cable loose Volume too low	Check power connections and fuse. Verify all wiring connections are correct and secure. Ensure Bluetooth is paired or auxiliary cable is fully inserted. Increase volume on both the remote and your connected device.
Bluetooth connection issues	Device too far from the remote Interference Previous device still connected	Move device closer to the remote. Turn off other Bluetooth devices nearby. Disconnect from the previous device or restart the system.
Distorted sound	Volume too high Poor audio source quality Loose speaker connections	Reduce volume. Try a different audio source or file. Check speaker wiring.

Specifications

Model Name	BM40AMPBT
Speaker Type	2-Way Full Range, Tweeter
Woofer Diameter	4 Inches (10.16 cm)
Tweeter Diameter	1 Inch (2.54 cm)
Speaker Maximum Output Power	500 Watts Per Pair
Amplifier Type	Built-in Class D
Impedance	4 Ohms
Frequency Response	45 Hz - 20 kHz
Sensitivity	94dB
Connectivity Technology	Bluetooth
Auxiliary Input	3.5 mm
Weather Resistance Level	IPX5 Rated Weatherproof
Product Dimensions (D x W x H)	5.4" x 7.4" x 7.2" (137mm x 188mm x 183mm)
Item Weight	7.95 Pounds
Mounting Clamp Diameter	1.5" – 2" (38 mm – 51 mm) O.D.
Power Source	Battery Powered (12V DC)
Included Components	Speakers, Bluetooth remote

Warranty and Support

BOSS Audio Systems provides a powerful 3-year platinum online dealer warranty when the purchase is made through an authorized retailer like Amazon.com. Professional installation of this product is strongly encouraged to ensure proper and safe functionality and to maintain warranty validity.

For warranty registration and further support, please visit the official BOSS Audio Systems website or contact their customer service.

BOSS Audio Systems BM40AMPBT warranty information and key features

Image: Visual representation of the 3-year platinum online dealer warranty and a summary of key features for the BM40AMPBT system.