Single 18" 1400W Active Subwoofer
  • 1400 Watt Digital Amplifier
  • 18” Woofer, bass reflex housing
  • Stereo crossover
RRP: $3,795.00
Contact for Availability

Thanks to the powerful 18” woofer, with 3.0” voice coil, and the 1400- Watt amplifier, the RCF SUB 708AS II is the perfect tool to increase the low end performance of a portable PA system, both in terms of output and frequency extension.

Thanks to the built-in digital stereo crossover (DSP) with adjustable crossover frequency, it can be easily and quickly set up as a satellite speaker system.

The SUB 708AS is equipped with a new generation of 1400 Watt Digital Amplifiers that produce a very high output, an extremely low distortion and an incredible natural sound.

The input board includes stereo XLR Inputs (Balanced/unbalanced), stereo XLR Link/XOVER outputs, volume control, Xover switch, phase switch.

3 status LEDs – Limiter / Signal / Status are provided for monitoring the system

The new high-power 18-inch woofer is the result of the latest refinement, providing a fast and controlled reproduction of the bass frequency range

Two ergonomic recessed handles are positioned on the sides of the speaker.


  • 1400 Watt Digital Amplifier
  • 18” Woofer, bass reflex housing
  • Stereo crossover
  • Switchable crossover frequencies
  • Phase-reverse switch
  • Electronic equalization, soft limiter and protection
  • Stereo XLR input, Stereo XLR signal output
  • Height: 665 mm (26.18”)
  • Width: 505 mm (19.88”)
  • Depth: 700 mm (27.56”)
  • Weight: 38.0 kg (83.70 lbs)


Brand RCF
Gross Shipping Weight - Volumetric (kgs) 39.0000
Speaker Size (Inches) 18"
Speaker Type Powered
Mounting Options Pole
Signal Processing (DSP) No
Power Handling (Watts) 1400
UPC 08024530012908
Have any questions?  Contact for Availability