Active subwoofer Auto 600W Amplified Slim Underseat Car Bass Box Audio Amplifier

Product information: Speaker size: 8 inches Total harmonic distortion: <0.4% Frequency response: 20HZ-150HZ Signal to noise ratio: ≥90dB Bass boost: 0 to+ 12dB Rated power: 600W Product size: 36.5cm*26cm *6.8cm /14.37inch*10.23inch *2.67inch .

eBay