Fast Shipping On All Items 30 Days Money Guarantee Customer Support Excellent Service 100% Satisfaction Satisfaction Guaranteed We ship to US territories and worldwide. Please contact us if you have any special shipping instructions. Marine Waterproof Car Subwoofer with Built-In Amplifier, Adjustable Bass Boost, Remote Level Control, RCA Input, Phase Shift (14.5" X 9.5" X 3") Specification Item model number AQTB8.6 Number of Items 1 Mounting Type Floor Standing Color White Product Dimensions 14.5"D x 9.5"W x 3"H Country of Origin China Speaker Type Subwoofer Item Weight 12.25 pounds Connectivity Technology RCA Model Name AQTB8.6 Speaker Maximum Output Power 1000 Watts Included Components 1 Audio / Video Product 9.5 "h x 14.5 "h x 3.0 "h. Weight: 12.25 lb Item Description COMPACT YET POWERFUL 8" SUBWOOFER ? Experience deep, rich bass with this 8 inch subwoofer, featuring a low-profile design that fits seamlessly under seats or in tight spaces while delivering 1000W of max power. BUILT-IN AMPLIFIER FOR EASY SETUP ? This powered subwoofer car audio system comes with an integrated amplifier, eliminating the need for external components. With 300W RMS power, enjoy crisp, distortion-free bass. ADJUSTABLE BASS AND SOUND CONTROL ? Fine-tune your audio with a powered subwoofer featuring a phase shift switch, variable bass boost, and a low-pass filter (50-150 Hz) for optimal sound customization. MARINE-GRADE WATERPROOF POWERED SUBWOOFER ? Built to withstand harsh conditions, this subwoofer and amp package is engineered with waterproof protection, making it ideal for boats, trucks, and outdoor use. SAFE AND RELIABLE PERFORMANCE ? Equipped with thermal, short, and overload protection circuits, plus a soft delay remote turn-on, this car subwoofer ensures smooth, long-lasting performance. Upgrade your audio experience with this 8-inch subwoofer, designed for powerful bass in a compact, low-profile build. Delivering 1000W max power and 300W RMS, this powered subwoofer car audio system ensures deep, distortion-free sound without taking up excess space. The built-in amplifier eliminates the need for external components, making installation effortless while providing consistent performance. Engineered for versatility, this subwoofer and amp package features RCA low-level and high-level inputs for seamless connectivity with various audio systems. Fine-tune your bass with an adjustable low-pass filter (50-150 Hz), +12dB variable bass boost, and a phase shift switch (0 or 180) for the perfect sound balance. The soft delay remote turn-on prevents sudden power surges, while thermal, short, and overload protection circuits ensure long-lasting, reliable operation. Built for durability, this 8-inch subwoofer boasts a marine-grade waterproof design, making it perfect for boats, trucks, and off-road vehicles. Its slim, compact size (14.5" x 9.5" x 3") allows for under-seat or tight-space installation without compromising on performance. Whether you're enhancing your car audio or upgrading your marine system, this powered subwoofer delivers deep, high-impact bass for an immersive sound experience. SHIPPING . We ship to US territories and worldwide. Please contact us if you have any special shipping instructions. Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed. ? Please contact us before returning. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Payment Options Shop With Confidence