RCF Sub 705-AS II 15" Powered Subwoofer


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The SUB 705-AS II is a compact and powerful bass reflex subwoofer. It is equipped with a 15” high power woofer with 3” voice coil, powered by a 1400 Watt digital amplifier in a robust plywood housing with deep and punchy tuning for a powerful bass. Thanks to the built-in digital stereo crossover (DSP) with adjustable crossover frequency, it can be easily and quickly set up with a satellite speaker. The SUB 705-AS II easily combines with 12” and 15”, ideal for RCF ART and D-Line Series.


  • 1400 Watt Digital Amplifier

  • 15" 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

  • Frequency Response: 40 Hz ÷ 120 Hz
  • Max SPL @ 1m: 131 dB
  • Woofer: 15'', 3.0'' v.c
  • Input signal: bal/unbal
  • Input connectors: XLR
  • Output connectors: XLR
  • Input sensitivity: -2 dBu/+4 dBu
  • Hi-Pass Frequencies: 110 Hz
  • Low-Pass Frequencies: 80 Hz
  • Protections: Thermal, RMS
  • Limiter: Soft Limiter
  • Controls: Volume, EQ, Phase, Xover
  • Total Power: 1400 W Peak, 700 W RMS
  • Low frequencies: 1400 W Peak, 700 W RMS
  • Cooling: Convection
  • Connections: VDE