The BOSS Audio Systems MRWT40 is a 4" (102mm) marine-grade, 2-way, fully marinized roll cage/waketower speaker system designed for use in environments that are extremely bumpy and turbulent, such as boats or off-road vehicles. It is engineered for high performance and quality, offering a robust audio solution for outdoor and marine applications.
Function Description:
The MRWT40 speaker system provides audio output in challenging environments, specifically designed to be mounted on roll cages or waketowers. Its 2-way design incorporates a midrange driver and a tweeter to deliver a full range of sound. The "fully marinized" designation indicates that the speakers are built to withstand exposure to marine elements like water, salt, and UV rays, ensuring durability and longevity in harsh conditions. The system is suitable for connection to a head-unit or, for optimal performance, a separate amplifier with a high-pass filter.
Important Technical Specifications:
- Midrange: 4" (102 mm) Polypropylene Cone with Rubber Surround, 4 Ω Impedance.
- Tweeter: 1" (25 mm) Dome.
- Clamps: Designed to fit 1-1/2" - 2" (38-51 mm) roll bars.
- Power Handling: 400 Watts (Max).
- Frequency Response: 130 Hz - 20 kHz (±3 dB).
- Sensitivity: 94 dB @ 1W/1m.
- Dimensions: 7" x 7" x 5" (178 x 178 x 127 mm).
- Weight: 2.3 lbs.
- Wiring: Accepts up to 16 gauge wire; high-quality marine-grade speaker cable is recommended.
- Impedance: 4 Ω.
Usage Features:
- Installation: The MRWT40 comes with pre-installed mounting clamps and M6 x 15 mm bolts. It includes three rubber clamp adapters (1/8" thickness) that need to be cut to length to fit the enclosure and clamp, providing a secure and vibration-dampening fit. The installation process involves disassembling the clamps, determining the speaker location, applying the cut rubber adapters, placing the speaker on the tower, and then evenly tightening the bolts until snug, followed by an additional half-turn for final securement (without overtightening).
- Wiring: When wiring the speaker system, it is crucial to use high-quality marine speaker wire and allow for extra wire length to prevent disconnections in extreme conditions. Wires should be kept away from sharp objects, using rubber grommets when passing through metal tubes. Users should plan the entire system and consider the amplifier's impedance stability. For systems with more than one pair of wake towers, maintaining stereo imaging (left and right, front and rear) is important.
- System Configuration:
- Standard 2-Ch System: Each 4 Ω speaker can be connected to the output of a head-unit. For optimum performance, it is recommended to connect them to a separate 2-channel amplifier with a high-pass filter set to 120 Hz.
- Expanded 4-Ch System: For a 4-channel setup, it is essential to connect the front and rear speakers to their respective sides (left and right) to maintain correct stereo imaging. If using an amplifier, setting the high-pass filter to 120 Hz is recommended for best performance.
- Safety Considerations: The mounting system is designed for safe and stable installation, but users are advised to consider the turbulent environments where these speakers will be used and ensure they are securely placed and fastened to prevent dislodgement.
Maintenance Features:
- Warranty: The product comes with a one-year manufacturer's warranty against defects in materials and workmanship for the original purchaser. This warranty is non-transferable and covers repair or replacement at the sole discretion of BOSS Audio Systems (BAS). An extended warranty may be available upon registration.
- Obtaining Warranty Service: To obtain service, customers need a Return Authorization number (RA#) from Customer Service, a legible copy of the proof-of-purchase (including name, authorized dealer, date of purchase, and model number), and a note describing the problem, daytime phone number, email, and return shipping address (within the USA). The warranty does not cover abuse, neglect, incorrect wiring, water or physical damage, or unauthorized repairs.
- Product Registration: Users are encouraged to register their product online via a QR code or the BOSS Audio Systems website. This can qualify for a free extended warranty and helps with customer support.
- Feedback: BOSS Audio Systems encourages customers to provide feedback and reviews on their website, Amazon.com, and Facebook to help improve products and customer experience. Sharing photos and videos of BOSS Audio Systems products on their website and Facebook may also offer chances to win prizes.
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