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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. Key features 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 Stereo input + link output for system integration Premium wooden cabinet construction Electronic protection circuits Specifications Woofer: 18-inch Power: 600 W (Class D) Frequency response: 30 Hz to variable Inputs: Stereo input, link output Need help choosing? Contact us at +27 32 586 3694 or support@audicoonline.co.za.