Active Powered Vented Bass Enclosure System
Silent Effect Noise Elimination Circuit Remote Control For Cabin Bass Control
Active Powered Vented Bass Enclosure System   
Silent Effect Noise Elimination Circuit  Remote Control For Cabin Bass Control
High Efficiency MOSFET Amplifier  Variable Low Pass Filter Crossover
Variable Subwoofer Bass Boost Control  Sensitivity Synchronization Control
Heat Regulating Aluminium Heat Sink  High and Low Level Input Options 
Specifications: SUB-MA10SPA 
Woofer Size: 10" 
Woofer Voice Coil: 2" 
Woofer Magnet: 40oz 
RMS Power: 160W 
Frequency Response: 28Hz~250Hz 
Signal-to-Noise Ratio:: 95dB