| Specification | Value |
|---|---|
| Active or Passive | Passive |
| System Type | Subwoofer |
| Configuration | Bass-reflex |
| System Continuous Power | 1600 W |
| System Programme Power | 3200 W |
| System Peak Power | 6400 W |
| Max SPL @ 1m | 141 dB (Half Space) |
| Freq Response (+/-3 dB) | 25 Hz – 100 Hz |
| Freq Range (-10 dB) | 18 Hz – 125 Hz |
| Bi-amp Mode Switch | No |
| Bluetooth | No |
| IP Certification | None |
| Driver Brand | Beyma |
| LF Driver Size | 21" |
| LF Magnet Material | Ferrite |
| LF Frame Material | Aluminium |
| LF Voice Coil Size | 4" |
| Preset Library | Yes |
| Input Connector | 2 x 4 Pole Speaker Connector |
| 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 2.83 V / 1 m | 103 dB |
| System Rated Impedance | 4 Ω |
| Crossover Frequency | Preset Dependent |
| Recommended HPF = BW 18 dB/OCT. | 20 Hz |
| Transformer (T) | No |
| Included Accessory | User Manual, WLA-121SUB ARM |
| 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) | 910 |
| Packed - Width Front (mm) | 660 |
| Packed - Width Rear (mm) | 660 |
| Packed - Depth (mm) | 860 |
| Weight - Nett (kg) | 59.5 |
| Weight - Gross (kg) | 66 |
WLA-121SUB
21" flyable subwoofer
WLA-121SUB
21" flyable subwoofer
WLA-121SUB is a 21″ subwoofer from our WLA-1 System, built to deliver extreme low-frequency power with precise control for large-scale touring and installation environments.
Equipped with a 21″ Beyma driver featuring a 4.0″ Quattro LF driver voice coil, it combines immense output with exceptional stability and thermal efficiency. Handling 1600 W continuous (up to 6400 W peak), WLA-121SUB delivers a maximum SPL of 141 dB @ 1 m, producing tight, impactful low-end that remains articulate even at the highest levels.
Designed for flexibility, it can be deployed in flown configurations or ground-stacked setups alongside WLA-1 full-range elements. With its robust design and advanced driver engineering, WLA-121SUB delivers the foundation for a truly commanding full-range system.
OVERVIEW
| Name | Type | File |
|---|---|---|
| EASE Library V7.5 | Software | Download |
| Wharfedale Pro Preset Library | Software | Download |
| WLA Series Data Sheets | Data Sheets | Download |
| WLA Series Frequency Responses | Data Sheets | Download |
| WLA Series Technical Drawings | Data Sheets | Download |
| WLA Series Tuning Tips | Data Sheets | Download |
| WLA-1 Series Quick Start Guide | Quick Start Guide | Download |
| WLA-1 Series User Manual | User Manual | Download |
| WLA-1 Series User Manual (German) | User Manual | Download |
| WLA-118SUB Quick Start Guide | Quick Start Guide | Download |
| WLA-118SUB Quick Start Guide (German) | Quick Start Guide | Download |
| Specification | WLA-112 | WLA-115 | WLA-118SUB | WLA-121SUB |
|---|---|---|---|---|
| Catch Line | 12" coaxial hybrid curvature array element | 15" coaxial hybrid curvature array element | 18" flyable subwoofer | 21" flyable subwoofer |
| Active or Passive | Passive | Passive | Passive | Passive |
| System Type | Array Element | Array Element | Subwoofer | Subwoofer |
| Configuration | Coaxial 2-way | Coaxial 2-way | Bass-reflex | Bass-reflex |
| System Continuous Power | 450 W | 500 W | 1600 W | 1600 W |
| System Programme Power | 900 W | 1000 W | 3200 W | 3200 W |
| System Peak Power | 1800 W | 2000 W | 6400 W | 6400 W |
| Max SPL @ 1m | 133 dB | 135 dB | 141 dB | 141 dB |
| Freq Response (+/-3 dB) | 55 Hz – 20 kHz | 42 Hz – 20 kHz | 35 Hz – 125 Hz | 25 Hz – 100 Hz |
| Freq Range (-10 dB) | 35 Hz – 25 kHz | 25 Hz – 25 kHz | 28 Hz – 160 Hz | 18 Hz – 125 Hz |
| Driver Brand | Beyma | Beyma | Beyma | Beyma |
| LF Driver Size | 12" | 15" | 18" | 21" |
| LF Magnet Material | Ferrite | Ferrite | Ferrite | Ferrite |
| LF Frame Material | Aluminium | Aluminium | Aluminium | Aluminium |
| LF Voice Coil Size | 4" | 4" | 4" | 4" |
| HF Driver Type | Compression Driver | Compression Driver | ||
| HF Voice Coil Size | 2.87″ | 2.87″ | ||
| HF Diaphragm Material | Composite Titanium / Polyester | Composite Titanium / Polyester | ||
| HF Exit Size | 1.5″ | 1.5″ | ||
| HF Power (RE:AES2-2012) | 80 W | 80 W | ||
| HF Rated Impedance | 16 Ω | 16 Ω | ||
| Vertical Splay Angle Range | 0°- 5° – 10° – 15° | 0°- 5° – 10° – 15° | ||
| Horizontal Splay Angle | 15° | 15° | ||
| Preset Library | Yes | Yes | Yes | Yes |
| Input Connector | 2 x 4 Pole Speaker Connector | 2 x 4 Pole Speaker Connector | 2 x 4 Pole Speaker Connector | 2 x 4 Pole Speaker Connector |
| Waveguide Type | EVO-Fold | EVO-Fold | ||
| Cabinet Type | Trapezoid | Trapezoid | Rectangle | Rectangle |
| Enclosure Material | Birch Plywood | Birch Plywood | Birch Plywood | Birch Plywood |
| Grille Material and Finish | Powder Coated Perforated Steel | Powder Coated Perforated Steel | Powder Coated Perforated Steel | Powder Coated Perforated Steel |
| Finish | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone |
| Handles | 2 side / 2 back | 2 side / 2 back | 1 side（2 pcs) | 2 side (4 pcs) + 2 (top/bottom) |
| Deployment | Flying, Ground, Pole | Flying, Ground, Pole | Flying, Ground | Flying, Ground |
| Pole Mount | 35 mm Dual Angle -2.5° / +7.5° | 35 mm Dual Angle -2.5° / +7.5° | M20 | M20 |
| Brackets Included | Yes | Yes | ||
| Rigging | Yes | Yes | Yes | Yes |
| Integral Rigging | 3 Points | 3 Points | 3 Points | 3 Points |
| Nominal Coverage (H x V) | 100° x System dependant | 100° x System dependant | ||
| Sensitivity 2.83 V / 1 m | 101 dB | 102 dB | 103 dB | 103 dB |
| System Rated Impedance | 8 Ω | 8 Ω | 4 Ω | 4 Ω |
| Crossover Frequency | 1.2 kHz | 1.2 kHz | Preset Dependent | Preset Dependent |
| Recommended HPF = BW 18 dB/OCT. | 30 Hz | 25 Hz | 30 Hz | 20 Hz |
| Included Accessory | User Manual | User Manual | User Manual | User Manual, WLA-121SUB ARM |
| Unpacked - Front Height (mm) | 332 | 408 | 535 | 820 |
| Unpacked - Rear Height (mm) | 246 | 302 | 535 | 820 |
| Unpacked - Width Front (mm) | 566 | 566 | 566 | 566 |
| Unpacked - Width Rear (mm) | 566 | 566 | 566 | 566 |
| Unpacked - Depth (mm) | 465 | 543 | 760 | 760 |
| Packed - Height (mm) | 676 | 676 | 615 | 910 |
| Packed - Width Front (mm) | 425 | 495 | 646 | 660 |
| Packed - Width Rear (mm) | 425 | 495 | 646 | 660 |
| Packed - Depth (mm) | 555 | 640 | 840 | 860 |
| Weight - Nett (kg) | 28.5 | 33.4 | 53.8 | 59.5 |
| Weight - Gross (kg) | 31 | 36.5 | 62 | 66 |
