The RCF SUB 702-AS MK3 subwoofer is engineered for professionals seeking powerful bass in a portable format. Featuring a robust 12” woofer with ceramic magnet, and a 1400W peak Class D amplifier, it excels in dynamic range and clarity, delivering up to 129 dB SPL. Designed to pair ideally with 8” or 10” speakers, the cabinet includes rear-panel controls for volume, EQ, polarity, and crossover frequency. The subwoofer’s rugged Baltic birch plywood construction, scratch-resistant coating, and ergonomic handles make it perfect for mobile or fixed installations. With Bass Motion Control technology, it extends low-frequency response while protecting the woofer from over-excursion, ensuring accurate and distortion-free performance.
Features
1400W Class D Amplifier (700W RMS)
12” woofer in bass reflex cabinet
Up to 129 dB SPL sound pressure
Stereo crossover with switchable frequency
Electronic equalization, progressive limiter, and protection
XLR stereo inputs and outputs
Polarity reversal switch
Bass Motion Control (BMC) Technology
Lightweight Baltic birch cabinet with scratch-resistant coating
M20 pole mount, rubber-coated ergonomic handles
Convection cooling – no fan required
Designed for portable and fixed applications
Specifications
| Frequency Response | 40 Hz – 120 Hz |
| Max SPL @ 1m | 129 dB |
| Woofer | 12”, 2.5” voice coil |
| Amplifier Power | 1400 W Peak / 700 W RMS |
| Input Signal | Balanced/Unbalanced |
| Input Connectors | XLR |
| Output Connectors | XLR |
| Input Sensitivity | -2 dBu / +4 dBu |
| High-Pass Frequency | 110 Hz |
| Low-Pass Frequency | 80 Hz |
| Protections | Thermal, RMS |
| Limiter | Soft Limiter |
| Controls | Volume, EQ, Phase, Crossover |
| Cooling System | Convection |
| Cabinet Material | Baltic birch plywood |
| Handles | One on each side |
| Pole Mount | M20 thread |
| Grille | Steel with acoustic foam lining |
| Color | Black |
| Height | 523 mm / 20.59 in |
| Width | 360 mm / 14.17 in |
| Depth | 515 mm / 20.28 in |
| Weight | 21.5 kg / 47.4 lbs |
| Package Height | 565 mm / 22.24 in |
| Package Width | 575 mm / 22.64 in |
| Package Depth | 420 mm / 16.54 in |
| Package Weight | 25.5 kg / 56.22 lbs |
| Safety Certification | CE Compliant |
| Power Connection | VDE Connector |




















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