Product Details Description: Upgrade your car audio with this powerful 15 inch subwoofer—built for serious sound lovers. Delivering 250W RMS and 500W peak power, it brings deep bass and crisp mids to life. The 2.5" ASV voice coil and 4 Ohm dual layer design ensure durability, efficiency, and low distortion, even at high volumes. With a 35–2kHz frequency range, this woofer speaker is perfect for music lovers craving rich and intense bass. Whether you're replacing old car speakers or building a custom system, this subwoofer car audio driver fits most setups. Ideal for speakers for cars, it's the perfect upgrade for serious sound performance. 1: 87.4 DB SENSITIVITY - High sensitivity ensures louder output with less power. Get more volume and clarity in your speakers for cars or speaker driver systems. 2: HEAT-RESISTANT DESIGN - The ASV voice coil and vented structure allow better airflow, preventing overheating during extended use. 3: ENHANCED BASS RESPONSE - Engineered for maximum cone excursion, this woofer delivers deeper bass hits with minimal distortion—ideal for bass lovers. 4: EASY INSTALLATION - Standard 15-inch size and terminal compatibility make this woofer speaker quick to mount in most car enclosures. Technical Specification: Speaker Type: Woofer Woofer Size: 15 Inch RMS: 250W Peak Power: 500W Voice Coil Size: 62MM (2.5") Voice Coil Material: ASV Voice Coil Impendance: 4 Ohms Voice Coil Layers: 2 Magnet Size: 60 Oz Freqency range: 35–2kHz Cone material: Polypropylene The Small Parameter Bl - 13.78 Fs - 32.61 Re - 4 Sd - 8.71E-02 Cms - 0.0978 Mms - 243.55 Qes - 1.0519 Qms - 2.2518 Qts - 0.717 Vas - 103.57 Sensitivity - 87.4 Package Information: 2x Woofer | 5 Core | | 15 Inch Woofer Pair 500W Car Subwoofer 4Ohm Replacement Deep Sub w Poly Cone | Black | Best Buy