RCF SUB 708-AS MK3 Powered Subwoofer

With an 18-inch woofer and 1400 watts of power, the RCF SUB 708-AS mk3 sub is perfect for delivering serious sub-bass to small and mid-sized venues.

The SUB 708-AS mk3 is a portable 18" high-power active subwoofer for live sound applications. It features a state-of-the-art transducer with a high-power ceramic magnetic circuit and a powerful Class-D amplifier that delivers sound pressure levels up to 133 dB with exceptional headroom. Designed as the ideal complement for 8" or 10" loudspeakers, it provides outstanding performance in any application. Rear panel controls include volume, EQ, polarity, and crossover frequency selection. The rugged all-wood cabinet with scratch-resistant polyurea coating makes it durable, easy to carry and install securely. With its versatility, sound quality, and high power output, the SUB 708-AS MK3 is perfect for small to mid-sized venues and portable applications.


- 1400 Watt Class-D Amplifier
- 18" Woofer, bass reflex housing
- Stereo Crossover
- Switchable Crossover Frequencies
- Polarity-reverse switch
- Electronic equalization, soft limiter and protection
- Stereo XLR input, Stereo XLR signal output
- Bass Motion Control excursion management

- Max Output: 1400 w
- dB Level: 133
- Speaker: 18"
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 100 lbs
Shipping Dimensions: 29 x 29 x 22 in
Manufacturer Part Number (MPN): SUB-708AS-MK3

For support or warranty questions, please contact the manufacturer:
Phone: 732-902-6100
Email: service@rcf.it or TechSupport@rcf.it


  • 18 x  
  • 12 x  
    $141.58 with zZounds
  • 8 x  
    $212.38 with zZounds
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