Rcf SUB 705-AS MK3
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Active subwoofer
The SUB 705-AS MK3 is a high-performance active subwoofer designed for live applications, DJs and small to medium-sized touring installations.
It features a 15" driver with a 3" voice coil, integrated in a robust bass-reflex enclosure. The whole unit is powered by Class D digital amplification delivering 1,400 W peak (700 W RMS), offering power, efficiency and long-lasting power handling.
Thanks to advanced Bass Motion Control technology, the SUB 705-AS MK3 intelligently manages woofer excursion, delivering deep, dynamic and perfectly defined bass, while maintaining optimum stability and linearity, even at high volume.
The rear panel features comprehensive controls: volume control, equalization, polarity inversion and crossover preset. These options facilitate rapid integration with 10" or 12" satellite speakers, or other lightweight front-mounted systems.
Designed to withstand professional conditions, the SUB 705-AS MK3 features a reinforced Baltic birch plywood cabinet, heavy-duty covering, ergonomic handles, M20 threaded base for pole mounting, and a protective steel grille.
Compact, powerful and versatile, it's an ideal solution for reinforcing the lower end of the sound spectrum in modern live configurations or mobile systems requiring reliability and impact.
Highlights
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Acoustic performance
- 15" driver with 3" voice coil
- High-efficiency bass-reflex cabinet
- Bass Motion Control: deep, perfectly controlled bass
- Optimal linearity and stability, even at high volumes
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Amplification & control
- Class D digital amplification 1,400 W peak (700 W RMS)
- Settings: volume, EQ, polarity
- Crossover preset for integration with 10" / 12" satellites
- Intelligent woofer management to avoid distortion
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Robust construction
- Wood: reinforced Baltic birch plywood
- Heavy-duty coating for touring and mobile installation
- Ergonomic handles for easy transport
- Steel protective grille
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Versatile use
- Ideal for DJs, live bands and mobile performances
- Perfect as bass reinforcement for compact systems
- M20 base: easy pole mounting with satellite
- Transportable format, suitable for small and medium-sized configurations
Technical sheet
- PA power speaker 1001 to 1500 watts RMS
- Type of PA speaker Stage & FOH monitor
- Acoustic characteristics
- Frequency response: 40 Hz - 120 Hz
- Max. SPL: 131 dB
- Driver: 1 × 15", 3" voice coil
- Load type: Bass-reflex
- Amplification / Electronics
- Amplification: Class D
- Power: 1,400 W Peak / 700 W RMS
- DSP :
- Bass Motion Control
- Soft Limiter
- Thermal and RMS protection
- Selectable crossover: 80 Hz / 110 Hz
- Cooling: convection (no fan)
- Connection
- Inputs: 2 × XLR (balanced or unbalanced)
- Outputs: 2 × XLR Link
- Settings: Level, EQ, Phase, Crossover, Subwoofer management mode
- Construction / Mechanics
- Material: Baltic birch plywood
- Finish: Durable polyurethane coating
- Handles: 2 side handles
- Grille: Steel with internal foam protection
- Base: M20 for pole/leg mounting
- Dimensions (H × W × D): 598 × 420 × 590 mm
- Weight: 27.5 kg