Product Description Upgrade your sound system with this 4 inch subwoofer engineered for compact yet powerful bass performance. Delivering 20W RMS and 200W peak power at 4 ohm impedance, this subwoofer speaker provides controlled low-frequency response without distortion or exaggerated wattage claims. The durable steel frame maintains structural stability, while the foam surround ensures smooth cone movement and reduced vibration. Designed with airflow support for improved heat dissipation, this mini subwoofer speaker performs reliably during extended playback. Ideal for car audio builds, DIY enclosures, or pairing with 4 inch component speakers, it offers efficient output, easy installation, and dependable everyday performance. Features Compact Size for Installation - The compact 4 inch subwoofer design allows easy installation in tight enclosures, car doors, under-seat setups, or small custom boxes while still delivering noticeable low-frequency reinforcement. Efficient Motor Structure - Ensures strong bass response even at lower power input, allowing this mini subwoofer speaker to perform well with factory stereos and compact amplifiers without requiring heavy amplification. Responsive Cone Movement - Provides punchy mid-bass with smooth transition into mids, making it suitable for use alongside 4 inch component speakers in balanced sound systems. Air Flow Cooling - Designed with an open airflow structure that promotes better heat dissipation, helping the 4 inch subwoofer stay cooler during extended playback and reducing the risk of voice coil overheating. Woofer Specification: Size - 4 Inch, Peak Power - 200W, RMS - 20W, Impedance - 4 Ohm, Surround Material - Foam, Frame Material - Steel, Terminal Type - Standard Cardboard Terminal. Package Include: 2x 4 Inch Woofer. Simple Replacement Process Experience an easy replacement policy designed for hassle-free customer satisfaction. If a product is defective, damaged, or not as described, simply contact our support team for a quick replacement process. About Brand 5 Core is an ISO Certified company headquartered in California with a warehouse in Ohio, USA, offering 600+ products since 1984 and delivering tested and certified products that ensure the highest quality and reliability. | 5 Core | | 4 Inch Subwoofer Pair 200W Car Audio Sub Woofer 4 Ohm Deep Bass Replacement Loud Speaker | Best Buy