Summary: Type: subwoofer; The number of bands: 1; Power: 700 W (nominal), 4000 watts (maximum); Sensitivity: 91 dB; Frequency range: 18 - 1000 Hz; Housing: no; Additional information: The construction of the subwoofer series GTi is a new design DDD (Differential Drive Design - the design of a differential drive). Series subwoofers GTi optimized for u ...