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.

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