dBTechnologies VIO S318 Triple 18-Inch Active Subwoofer

The dBTechnologies VIO S318 is a high-output active subwoofer designed to deliver powerful low-frequency reinforcement for professional live sound systems. Three 18-inch neodymium woofers with 4-inch voice coils work in a bass-reflex, semi-horn-loaded enclosure, configured to maximise frontal emission.

Three Digipro G3 Class D amplifiers deliver a combined 2700 W RMS output, with a maximum SPL of 143 dB. From concert stages to demanding venue systems, the VIO S318 provides substantial bass impact together with onboard delay, selectable crossover settings and RDNet remote control for system integration.

Key Features

• Triple 18-inch neodymium woofers with 4-inch voice coils
• Active bass-reflex, semi-horn-loaded design
• 2700 W RMS / 5400 W peak Digipro G3 Class D amplification
• Maximum SPL: 143 dB
• Onboard delay adjustable from 0 to 9.9 ms
• Selectable crossover from 70 to 105 Hz, plus full-range setting
• Polarity inversion and cardioid mode controls
• RDNet remote control with Aurora Net compatibility
• Multiplex plywood cabinet with polyurea finish and aluminium handles
• Rain cover included

Technical Specifications

• Frequency response (-6 dB): 39 Hz to selected crossover frequency
• Frequency response (-10 dB): 35 Hz (HPF)
• Directivity: omnidirectional
• DSP: 32 bit
• AD/DA conversion: 24 bit / 96 kHz
• Limiters: RMS, peak and thermal
• Crossover output slope: 24 dB/octave
• Cooling: convection
• Power supply: 2700 W SMPS with auto-range PSU
• Balanced XLR signal input and output
• RDNet RJ45 input and output
• powerCON TRUE1 mains input and output
• Input attenuation rotary control
• Polarity: 0 or 180 degrees
• Two top pick points for fixing a DRK-210 rigging frame
• Dimensions (W x H x D): 1300 x 520 x 800 mm
• Weight: 103.9 kg