The dB Technologies SUB 918 is a professional active 18″ bass reflex subwoofer engineered for deep, powerful, and accurate low-frequency performance. As part of dB Technologies’ 900 Series, the SUB 918 delivers high SPL, exceptional transient response, and full DSP control, making it the perfect match for the dB Technologies Opera, Ingenia, and Sigma systems. Equipped with a 900 W RMS Digipro G3 amplifier, advanced FIR filtering, and RDNet network control, it provides maximum flexibility for live sound, touring, and installation applications.
Features:
- Active 18″ bass reflex subwoofer
- 900 W RMS / 1800 W Peak Digipro G3 Class-D amplifier
- 18″ high-excursion neodymium woofer with 4″ voice coil
- Frequency range down to 35 Hz for extended low-end response
- Maximum SPL of 134 dB
- 32-bit / 96 kHz DSP with linear-phase FIR filters
- RDNet and Aurora Net compatible for remote monitoring and control
- User-selectable crossover frequencies (70 / 80 / 90 / 100 / 110 Hz)
- Phase inversion (0° / 180°) and delay adjustment up to 9.9 ms
- PowerCON TRUE1 In/Out and XLR In/Out connectors
- M20 pole mount socket for top speaker mounting
- Ideal pairing with Opera, Ingenia, and VIO X series tops
Specifications:
The SUB 918 offers a frequency response of 35 Hz – 120 Hz (–6 dB) and delivers up to 134 dB SPL. The integrated Digipro G3 amplifier ensures clean, efficient power with minimal distortion and advanced thermal protection. The built-in DSP provides delay, polarity, crossover, and limiter controls, while RDNet connectivity allows for system tuning and real-time monitoring.
Cabinet:
The cabinet is built from premium birch plywood and finished with a black polyurea coating for superior durability. It features ergonomic side handles, rubber feet, and a front metal grille with acoustic foam. The design includes a top M20 pole mount and stacking recesses for stable setups.
