dB TechnologiesSUB 618 18-InchActive

dB Technologies SUB 618 — Compact 18-inch active subwoofer with 600 W digital amplification, designed for professional live sound reinforcement and fixed installation.

The dB Technologies SUB 618 combines an 18-inch woofer with a 600 W digital Class D amplifier in a premium-quality wooden cabinet, delivering deep, impactful bass without distortion even at high volume levels. A frequency response extending to 30 Hz and a variable high-cut filter allow the SUB 618 to integrate cleanly with a wide range of full-range speakers. Stereo input and link output configuration simplifies connection in multi-speaker PA setups. The phase-reverse switch and selectable crossover frequencies provide flexible system integration. Electronic protection circuits ensure long-term reliability under demanding conditions.

18-inch woofer with 600 W digital Class D amplification

Frequency response: 30 Hz to variable cut frequency

Phase-reverse switch and selectable crossover frequencies