dBTechnologies SUB 18H Active 18" Subwoofer - 1000W

The SUB 15H and SUB 18H speakers are equipped with DIGIPRO series Class D amplifier. These high-efficiency amplifiers deliver high output power in a compact size and low weight. The digital preamplifier with DSP (Digital Signal Processing) controls the audio crossover of the acoustic components, the frequency response, the limiter, and the phase alignment. The SUB H is a series of active subwoofers designed for medium to large size rooms. The subwoofer speaker is made using "half horn loaded" so that high sound pressures can be achieved in compact dimensions. Two balanced outputs and balanced inputs are located on the back.