| Specification | Value |
|---|---|
| Active or Passive | Active |
| System Type | Subwoofer |
| Configuration | Bass-reflex |
| System Continuous Power | 2000 W |
| System Peak Power | 4000 W |
| Max SPL @ 1m | 145 dB (Half Space) |
| Freq Response (+/-3 dB) | 39 Hz - 125 Hz |
| Freq Range (-10 dB) | 35 Hz - 163 KHz |
| Bi-amp Mode Switch | No |
| Bluetooth | No |
| IP Certification | None |
| Driver Brand | Wharfedale Pro |
| LF Driver Size | 2 x 15" |
| LF Magnet Material | Ferrite |
| LF Frame Material | Aluminium |
| LF Voice Coil Size | 4" |
| Preset Library | No |
| Input Connector | XLR 1/4" Combo Jack |
| Enclosure Material | Birch Plywood |
| Grille Material and Finish | Steel |
| Finish | Black Tough-Tone |
| Handles | 2 |
| Deployment | Flying, Ground |
| Pole Mount | None |
| Rigging | Yes |
| Sensitivity 2.83 V / 1 m | 108 dB |
| Crossover Frequency | Preset Dependent |
| Amplifier design | Class D |
| Driver Protection | RMS, Peak Limiters and DC |
| Thermal Protection | Amplifier Shut Down. Auto Reset |
| DC and Short Protection | Yes |
| Signal Processing | DSP based, 8 FIR presets resident in Input Module |
| Power On Protection | Power switch on/off mute |
| Low Line Voltage Shut Down | 80% Nominal Line Voltage |
| DC and Short Protection | 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 Pin XLR |
| Input sensitivity | +4 dBu |
| Max input level | +18 dBu |
| Update | USB Type B |
| Network (RS485) | RJ45 |
| AC Input Connector | powerCON |
| AC Loop Through Connector | powerCON |
| Main Power | AC 100–240 V~,50/60 HZ |
| Power Supply | High Efficiency Switching Mode Power Supply |
| Included Accessory | User Manual, WLA-RH2 Rain hood |
| Unpacked - Front Height (mm) | 485 |
| Unpacked - Rear Height (mm) | 485 |
| Unpacked - Width Front (mm) | 760 |
| Unpacked - Width Rear (mm) | 760 |
| Unpacked - Depth (mm) | 775 |
| Packed - Height (mm) | 600 |
| Packed - Width Front (mm) | 855 |
| Packed - Width Rear (mm) | 855 |
| Packed - Depth (mm) | 870 |
| Weight - Nett (kg) | 65.2 |
| Weight - Gross (kg) | 72.7 |
WLA-28SUBA
Dual 15″ active subwoofer with internal DSP and presets
WLA-28SUBA
Dual 15″ active subwoofer with internal DSP and presets
WLA-28SUBA is a dual 15″ active subwoofer from our WLA-28A System, designed to deliver deep, controlled low-frequency reinforcement for touring and installation applications.
Powered by internal Class D amplification with 2000 W continuous output and advanced DSP featuring eight selectable presets, WLA-28SUBA ensures tight bass performance across any setup. Ethernet control via RS485 protocol allows precise remote management and integration with other WLA-28A System elements.
Its dual 15″ Wharfedale Pro drivers with 4.0″ voice coils delivers a maximum SPL of 145 dB @ 1 m, offering remarkable headroom and punch for its size. Built from premium 15 mm / 18 mm birch plywood and featuring an integral rigging system, WLA-28SUBA can be flown or ground-stacked with ease.
Durable, powerful, and versatile, WLA-28SUBA forms the low-frequency foundation of the WLA-28A active line array system — engineered for consistent, high-impact performance in any environment.
OVERVIEW
| Name | Type | File |
|---|---|---|
| EASE Library V7.5 | Software | Download |
| PRO=LINK Software V1.2.6 | Software | Download |
| WLA Common Dolly Frame Installation Guide | Installation Guide | Download |
| WLA-28A Quick Start Guide | Quick Start Guide | Download |
| WLA-28A Quick Start Guide (German) | Quick Start Guide | Download |
| WLA-28SUBA Quick Start Guide | Quick Start Guide | Download |
| WLA-28SUBA Quick Start Guide (German) | Quick Start Guide | Download |
| WLA-A Series User Manual | User Manual | Download |
| Specification | WLA-28A | WLA-28SUBA |
|---|---|---|
| Catch Line | Dual 8" active line array element with internal DSP | Dual 15″ active subwoofer with internal DSP and presets |
| Active or Passive | Active | Active |
| System Type | Array Element | Subwoofer |
| Configuration | 2-way | Bass-reflex |
| System Continuous Power | LF: 650 W / HF: 100 W | 2000 W |
| System Peak Power | LF: 1300 W / HF: 200 W | 4000 W |
| Max SPL @ 1m | 132 dB | 145 dB |
| Freq Response (+/-3 dB) | 60 Hz - 20 KHz | 39 Hz - 125 Hz |
| Freq Range (-10 dB) | 55 Hz – 20 KHz | 35 Hz - 163 KHz |
| Driver Brand | Wharfedale Pro | Wharfedale Pro |
| LF Driver Size | 2 x 8" | 2 x 15" |
| LF Magnet Material | Ferrite | Ferrite |
| LF Frame Material | Aluminium | Aluminium |
| LF Voice Coil Size | 2″ | 4" |
| HF Driver Type | Compression Driver – Neo | |
| HF Voice Coil Size | 3" | |
| HF Diaphragm Material | Titanium | |
| HF Exit Size | 1.4″ | |
| HF Power (RE:AES2-2012) | 90 W | |
| HF Rated Impedance | 8 Ω | |
| Input Connector | XLR 1/4" Combo Jack | XLR 1/4" Combo Jack |
| Waveguide Type | Coherent Array Shaping Technology (CAST) | |
| Enclosure Material | Birch Plywood | Birch Plywood |
| Grille Material and Finish | Steel | Steel |
| Finish | Black Tough-Tone | Black Tough-Tone |
| Handles | 2 | 2 |
| Deployment | Flying, Ground | Flying, Ground |
| Rigging | Yes | Yes |
| Integral Rigging | 3 Points | |
| Nominal Coverage (H x V) | 100° x System dependant | |
| Amplifier design | Class D | Class D |
| Driver Protection | Independent L/ H Limiters and DC | RMS, Peak Limiters and DC |
| Thermal Protection | Amplifier Shut Down. Auto Reset | Amplifier Shut Down. Auto Reset |
| DC and Short Protection | Yes | Yes |
| Signal Processing | DSP based, 8 FIR presets resident in Input Module | DSP based, 8 FIR presets resident in Input Module |
| Power On Protection | Power switch on/off mute | Power switch on/off mute |
| Low Line Voltage Shut Down | 80% Nominal Line Voltage | 80% Nominal Line Voltage |
| Limiter Indicator | Red LED | Red LED |
| Signal Indicator | Green LED | Green LED |
| Power/Active Indicator | White LED | White LED |
| Find Function Indicator | Blue LED | Blue LED |
| Active loudspeaker Input Impedance | Balanced: 10 KΩ | Balanced: 10 KΩ |
| Link Connector | Balanced Pin XLR | Balanced Pin XLR |
| Input sensitivity | +4 dBu | +4 dBu |
| Max Input Level | +18 dBu | +18 dBu |
| Update | USB Type B | USB Type B |
| Network (RS485) | RJ45 | RJ45 |
| AC Input Connector | powerCON | powerCON |
| AC Loop Through Connector | powerCON | powerCON |
| Sensitivity 2.83 V / 1 m | 100 dB | 108 dB |
| Crossover Frequency | 1.5 KHz | Preset Dependent |
| Main Power | AC 100-120 V~/ 220-240 V~,50/60 HZ | AC 100–240 V~,50/60 HZ |
| Power Supply | High Efficiency Switching Mode Power Supply | High Efficiency Switching Mode Power Supply |
| Included Accessory | User Manual, WLA-RH4 Rain hood | User Manual, WLA-RH2 Rain hood |
| Unpacked - Front Height (mm) | 250 | 485 |
| Unpacked - Rear Height (mm) | 181 | 485 |
| Unpacked - Width Front (mm) | 760 | 760 |
| Unpacked - Width Rear (mm) | 760 | 760 |
| Unpacked - Depth (mm) | 463.2 | 775 |
| Packed - Height (mm) | 850 | 600 |
| Packed - Width Front (mm) | 325 | 855 |
| Packed - Width Rear (mm) | 325 | 855 |
| Packed - Depth (mm) | 540 | 870 |
| Weight - Nett (kg) | 29.3 | 65.2 |
| Weight - Gross (kg) | 31.5 | 72.7 |
