500W Mono Car Audio Amplifier 8 Inch Compact Subwoofer for Car Truck SUV Stereo Features： 1、【Pure Sound Quality】High sound quality and wonderful musics to relieve fatigue, make your journey more energetic.Professional tuner debugging,double bass,pure sound quality bass strong surround sound effect. 2、【Lightweight and Space Saving】Small size, lightweight and portable, 210x150mm ultra-small body design, space-saving,can be easily stored in the car,SUV,truck‘s space. 3、【Reinforced Multi-layer PCB Board】Fine and sturdy parts, more secure and stable, even if the bumps and jitters of the bad road conditions, it is not easy to failure. 4、【Integral Pure Aluminium Heat Sink Shell】Convenient for the heat dissipation, and anti-shock, better conservation of the amplifier circuit panel. 5、【P98 Dual-colour Coil Transformer】Small size and high power, reject all short circuits, enhance the use of PCB board, to ensure the purity of the sound quality. 6、【High-quality NCC Capacitors】Mellow tone, enhance the musical expression of the equipment, enhance the overall sound effect. 7、【High-performance Low-pass Filter】Highly efficient noise reduction, the bass is more pure and thick, can maintain the sound field, and with a sense of musical surroundings. Specification： Features: 【Pure Sound Quality】 High sound quality and wonderful musics to relieve fatigue, make your journey more energetic.Professional tuner debugging,double bass,pure sound quality bass strong surround sound effect. 【Lightweight and Space Saving】 Small size, lightweight and portable, 210x150mm ultra-small body design, space-saving,can be easily stored in the car,SUV,truck‘s space. 【Reinforced Multi-layer PCB Board】 Fine and sturdy parts, more secure and stable, even if the bumps and jitters of the bad road conditions, it is not easy to failure. 【Integral Pure Aluminium Heat Sink Shell】 Convenient for the heat dissipation, and anti-shock, better conservation of the amplifier circuit panel. 【P98 Dual-colour Coil Transformer】 Small size and high power, reject all short circuits, enhance the use of PCB board, to ensure the purity of the sound quality. 【High-quality NCC Capacitors】 Mellow tone, enhance the musical expression of the equipment, enhance the overall sound effect. 【High-performance Low-pass Filter】 Highly efficient noise reduction, the bass is more pure and thick, can maintain the sound field, and with a sense of musical surroundings. Specifications: Material: Aluminium Power: 500W Channel: Single RCA: 0.2V-0.5V Frequency Range: 25-250Hz Signal to noise ratio：100dB Output Resistance：4Ω(2Ω-8Ω allowed) Item Size:210*150*40mm/8.26*5.9*1.57in Item Weight: 1.8kg/63.49oz Package Size: 300*210*95mm/11.81*8.26*3.74in Package Weight: 2.1kg/74.07oz Packing List: 1 * Car Subwoofers Package List： 1 * Car Subwoofers