Feature: 1. Premium car subwoofer, it has high power and low distortion. 2. Ultra-thin body, installed under the seat, provides better effect. 3. High temperature resistant coil, safer and dependable for using. 4. Black paint stainless steel mesh, antirust and not easy to deform. 5. Multiple heat dissipation holes are provided on both sides, ensure heat dissipation and avoid speaker burn. 6. Aluminum body reduces the vibration caused by noise to the greatest extent, and ensures the stability and reliability of performance under the environment of long time and high load. 7. Full function and easy to debug, which is a practical accessory for your car. Specification: Condition: 100% Brand New Item Type: Car Subwoofer Material: Aluminum + Iron Color: Black Application: Universal for car Voltage: DC12VPower: 600W Load: < 0.4% High Level Input Sensitivity: 1.0-9.0V Low Level Input Sensitivity: 0.1-6V Low Pass Filter: 50-150Hz Bass Enhancement: 0dB-18dB Fuse Rating: 15-25A Bass Boost: 0dB-18dB. Package List: 1 x Car Subwoofer1 x Instruction1 x Accessory Pack1 x Regulator