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- 2200Watt
- 135 dB max SPL
- 35Hz - 400Hz frequency response
- 18" Woofer, 4.0" voice coil
- Birch tour grade cabinet with polyurea coating
- Mono/Stereo XLR/TRS combo In + Link, Stereo XLR Xover Out
- Volume, polarity, and lowpass frequency selection
The SUB 18-AS is a powerful, portable 18" active subwoofer designed for live sound applications. It features a cutting-edge transducer and a 2200-watt Class-D amplifier, delivering up to 135 dB SPL with remarkable headroom. Engineered to pair seamlessly with 10", 12", or 15" loudspeakers, it incorporates RCF’s Bass Motion Control algorithm for extended, distortion-free low-frequency performance at any volume.
Its rear panel includes mono/stereo combo inputs, an XLR stereo link, and XLR crossover outputs for flexible system setup. Controls for volume, polarity, and low-pass filter frequency provide easy tuning.
Built into a rugged all-wood cabinet with a scratch-resistant polyurea coating, the SUB 18-AS offers durability, portability, and secure installation. With its exceptional output, sonic clarity, and versatility, it’s an ideal solution for small to mid-sized venues and mobile sound systems.
Acoustical specifications
Frequency Response
20 Hz ÷ 400 Hz
Max SPL @ 1m
135 dB
Transducers
Woofer
1 x 18'', 4.0'' v.c
Input/Output section
Input signal
bal/unbal
Input connectors
Combo XLR/Jack
Output connectors
XLR
Input sensitivity
-2 dBu/+4 dBu
Processor section
Protections
Thermal
Limiter
Soft Limiter
Controls
Volume, Polarity, Low pass filter frequency
Power section
Total Power
2200 W Peak
Cooling
Convection
Connections
VDE
Standard compliance
Safety agency
CE compliant
Physical specifications
Cabinet/Case Material
Baltic birch plywood
Handles
2 side
Pole mount/Cap
M20 thread
Grille
Steel
Color
Black
Size / Weight
Height
693 mm / 27.28 inches
Width
505 mm / 19.88 inches
Depth
685 mm / 26.97 inches
Weight
37.6 kg / 82.89 lbs
Shipping information
Package Height
735 mm / 28.94 inches
Package Width
745 mm / 29.33 inches
Package Depth
565 mm / 22.24 inches
Package Weight
44 kg / 97 lbs