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Massive 7200W peak powered subwoofer with dual 21” neodymium drivers, 141 dB SPL output, and networked RDNet DSP control. Designed for large-scale touring and arena-level sound systems.
The RCF SUB 9007-AS is one of the most powerful dual 21” active subwoofers available for professional live sound reinforcement. Featuring two hyper-vented neodymium 21” woofers with 4” voice coils and a 7200W peak Class-D amplifier, this sub delivers up to 141 dB SPL with tight, ultra-deep bass down to 20 Hz.
The onboard 32-bit DSP is fully controllable via RDNet, allowing for precise tuning, delay alignment, cardioid configurations, and preset selection. Its birch plywood cabinet features dual acoustic chambers, a reinforced grille, and stacking options that integrate seamlessly with RCF’s HDL 50-A and HDL 30-A systems. Perfect for concerts, festivals, and AV production setups requiring extreme low-end performance.
| Type | Active Dual 21″ Subwoofer |
| Frequency Response | 20 Hz – 400 Hz |
| Max SPL | 141 dB |
| Woofers | 2 x 21″ Neodymium with 4.0″ voice coils |
| Input Connectors | XLR, RDNet Ethercon |
| Output Connectors | XLR, RDNet Ethercon |
| Input Sensitivity | +4 dBu |
| Hi-Pass Filters | 25 Hz, 35 Hz |
| Low-Pass Filters | Variable 50 Hz – 400 Hz |
| Protections | Thermal, RMS |
| Limiter | Fast Limiter |
| Controls | Gain, EQ, Xover, Phase, Delay, Cardioid, Preset |
| Network Control | RDNet Onboard |
| Total Power | 7200W Peak / 3600W RMS |
| Cooling | Convection |
| Power Connections | Powercon IN/OUT |
| Cabinet Material | Baltic Birch Plywood, weatherproofed |
| Mounting | M20 thread, horizontal/vertical stacking |
| Handles | 8 aluminum side handles |
| Grille | Steel, powder-coated with foam backing |
| Dimensions (H x W x D) | 27.87″ x 46.77″ x 30.91″ |
| Weight | 211.64 lbs (96 kg) |
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