Wharfedale Pro WLA-121SUBA Active Subwoofer
Original price was: R46,295.R37,499Current price is: R37,499.
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Wharfedale Pro WLA-121SUBA Active Subwoofer
21″ active Hybrid Curvature array flyable subwoofer
The Wharfedale Pro WLA-121SUBA Active Subwoofer is a 21″ active subwoofer from our WLA-1A System, built to deliver extreme low-frequency power with precision and control for large-scale touring and installation environments.
Powered by internal Class-D amplification and DSP, and, at its core, a 21″ Beyma driver with a 4.0″ Quattro voice coil delivers immense output with exceptional stability and efficiency.
Handling 2200 W continuous (up to 4400 W peak) and delivering a maximum SPL of 136 dB @ 1 m, WLA-121SUBA produces tight, controlled low-end that stays articulate even at the highest levels. Designed for flexibility, it can be flown or ground-stacked alongside WLA-1A full-range elements — forming the foundation of a truly commanding system.
| Specification | Value |
|---|---|
| Active or Passive | Active |
| System Type | Subwoofer |
| Configuration | Bass-reflex |
| System Continuous Power | 2200 W |
| System Peak Power | 4400 W |
| Max SPL @ 1m | 136 dB (Half Space) |
| Freq Range (-10 dB) | 18 Hz – 125 Hz |
| Freq Response (+/-3 dB) | 25 Hz – 100 Hz |
| IP Certification | None |
| Driver Brand | Beyma |
| LF Driver Size | 21″ |
| LF Magnet Material | Ferrite |
| LF Frame Material | Aluminium |
| LF Voice Coil Size | 4″ |
| Input Connector | Balanced Socket XLR |
| Cabinet Type | Rectangle |
| Enclosure Material | Birch Plywood |
| Grille Material and Finish | Powder Coated Perforated Steel |
| Finish | Black Tough-Tone |
| Handles | 2 side (4 pcs) + 2 (top/bottom) |
| Deployment | Flying, Ground |
| Pole Mount | M20 |
| Rigging | Yes |
| Integral Rigging | 3 Points |
| Sensitivity 2.83v / 1m | 103 dB |
| Crossover Frequency | Preset Dependent |
| Recommended HPF = BW 18 dB/OCT. | 20 Hz |
| Amplifier design | Class D |
| Signal Processing | DSP Based, 8 FIR Presets |
| Thermal Protection | Amplifier Shut Down. Auto Reset |
| Low Line Voltage Shut Down | 60% Nominal Line Voltage |
| Driver Protection | RMS, Peak Limiters and DC |
| DC and Short Protection | Yes |
| Clip Limiter | Yes |
| Limiter Indicator | Red LED |
| Signal Indicator | Green LED |
| Power/Active Indicator | White LED |
| Find Function Indicator | Blue LED |
| Active loudspeaker Input Impedance | Balanced: 10 KΩ |
| Link Connector | Balanced Socket XLR |
| Input sensitivity | +4 dBu |
| Max input level | +18 dBu |
| Update | USB Type B |
| Network (RS485) | RJ45 |
| Main Power | AC 100-120 V~ and 220-240 V~, 50/60 Hz Automatic |
| Power Supply | High Efficiency Dual Switching Mode Power Supply |
| Included Accessory | User Manual |
| Unpacked – Front Height (mm) | 820 |
| Unpacked – Rear Height (mm) | 820 |
| Unpacked – Width Front (mm) | 566 |
| Unpacked – Width Rear (mm) | 566 |
| Unpacked – Depth (mm) | 760 |
| Packed – Height (mm) | 895 |
| Packed – Width Front (mm) | 656 |
| Packed – Width Rear (mm) | 656 |
| Packed – Depth (mm) | 850 |
| Weight – Nett (kg) | 74 |
| Weight – Gross (kg) | 80 |
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