Active subwoofer. TANK12SA is a bass cabinet which is distinguished by extremely compact dimensions and low weight, and is capable of delivering clear sound without distortion, with accuracy and sharpness, all the built-in amplifier power, maintaining the cleanest sound even at high levels sound pressure. The high quality and reliability make TANK12SA a versatile subwoofer for both the stage and in clubs, for the band, the drum-fill and dj set. Features frequency response of 45 Hz - 100 Hz, max SPL 127 dB, 500 W power and 12'' neodymium magnet. Dimensions: 51 x 36 x 44 cm. Weight: 17 kg.