RCF SUB 708-AS II Active Subwoofer


Low Stock

Compact and ready for action. The RCF Audio SUB 708-AS II Active Subwoofer is highly renowned for its articulate bass response. Equipped with a 18″ woofer, 3″ voice coil, and bass reflex housing, you?ll get punchy and defined lows, perfect for adding plenty of bravado to any mix.

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Take the hassle out of live sound

Powerful low end. Made simple with RCF Audio. The RCF SUB 708-AS II Active Subwoofer is easy to pair with satellite speakers thanks to its stereo XLR input/output connectors and adjustable crossover frequencies. Just plug in, switch on, and play. It’s that simple. 1400W of power ensures that everyone can feel the bass. And when you crank your sub to high volumes, the bass reflex housing ensures minimal rattling and maximum projection.

Universally compatible with RFC Audio speakers

Live sound made easy. The SUB 708-AS II is designed to integrate seamlessly into RCF professional speaker systems. The bass reflex design guarantees a deep, linear power response, while the 18” woofer and 3” voice coil ensure the minimum of power compression. It’s the perfect companion for 8”, 10”, or 12” satellite speakers, as well as the ART 3, ART 7, or D-Line Series drivers.


  • Powerful low end from a 1400-watt digital amplifier
  • Articulate frequency response thanks to a 18” woofer
  • Clear audio from a 3” voice coil
  • No unwanted rattling thanks to bass reflex housing
  • High SPL levels at low frequencies
  • Sends the correct frequencies to the correct speakers with an onboard stereo crossover
  • Highly flexible with switchable crossover frequencies
  • Ensures correct phase alignment with the phase-reverse switch
  • Fully protected from damages via electronic equalisation and soft limiter
  • Immersive audio from stereo XLR input and stereo XLR output
  • Easy to move and transport thanks to ergonomic side handles
  • Set up in minutes with the integrated pole mount
  • Power Supply Requirements: 220-240V
  • Frequency Response: 35Hz – 120Hz, -3dB
  • Maximum SPL: 133dB
  • Woofer: 18” with 3” Voice Coil
  • Input Connector: Stereo XLR
  • Output Connector: Stereo XLR
  • Input Sensitivity: -2dBu/+4dBu
  • Crossover Frequencies: 80Hz – 110Hz
  • Protections: Thermal and RMS
  • Limiter: Soft Limiter
  • Controls: Volume, EQ, Phase, Crossover
  • Amplifier Cooling: Convection
  • Amplifier Connections: VDE Connector
  • Cabinet Material: Baltic Birch Plywood
  • Handles: 2 x Side Handles
  • Hardware: Pole Mount
  • Pole Mount/Cap: Yes
  • Grille: Steel
  • Colour: Black
  • Dimensions: 665mm x 505mm x 700mm / 26.18” x 19.88” x 27.56” (H x W x D)
  • Weight: 38kg / 83.70lbs

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