Wharfedale Pro WLA-218BA Line-Array Active PA Speaker 18-Inches

Wharfedale Pro's WLA-218BA is a dual 18″ active subwoofer built to deliver extreme low-frequency power for the WLA-210A active line array system. Designed for high-demand touring and fixed-install applications, it combines massive output with refined DSP control for tight, accurate, and consistent bass performance.

Delivering 2000 W continuous / 4000 W peak power, WLA-218BA uses two custom 18″ LF drivers with 4.0″ voice coils to produce deep, authoritative low end with exceptional headroom. Its rugged 18 mm birch plywood construction provides the rigidity required for high-SPL performance without unwanted resonance.

With a huge 148 dB max SPL @ 1 m, this subwoofer supplies the low-frequency impact needed for large-scale systems, perfectly matching the output capability of the WLA-210A array elements. Onboard DSP includes 8 selectable presets, offering quick access to tunings optimised for flown, ground-stacked, or mixed configurations.

WLA-218BA integrates seamlessly into WLA-210A system designs, delivering the power, precision, and reliability demanded in modern professional sound reinforcement.

• 2000 Watts continuous
• 4000 Watts peak
• Dual 18" LF drivers with 4.0" voice coils
• 18mm Birch plywood construction
• Internal DSP with 8 presets
• Network connection using RS485 protocol
• 148 dB Max SPL @ 1 m

• System Type: Active 2 x 18" Subwoofer
• Frequency Response (+/-3 dB): 30 Hz-100 Hz
• Frequency Range (-10 dB): 25 Hz-150 Hz
• Loudspeaker Sensitivity @ 1 W / 1 m): 109 dB
• Maximum SPL(peak)(@1 m): 148 dB
• Signal Processing: DSP based, 8 presets

• A) 1 SPKR 80 Hz LPF
• B) 1 SPKR 100 Hz LPF
• C) >2 SPKR 80 Hz LPF
• D) >2 SPKR 100 Hz LPF
• E) CARDIOID AUDIENCE
• F) CARDIOID STAGE
• G) CUSTOM
• H) CUSTOM

• Amplifier Design: Class D
• Power Rating: 4000 W Peak / 2000 Continuous
• Power On Protection: Power switch on/off mute
• 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
• Limiter Indicator: Red LED
• Signal Indicator: Green LED
• Power/Active Indicator: White LED
• Find Function Indicator: Blue LED
• Input Sensitivity: +4 dBu
• Maximum Input Level: +18 dBu
• Input Impedance: Balanced: 10 KO
• AC Power details - Power Supply: High Efficiency Switching Mode Power Supply

• Input Connector: Balanced socket XLR Connector
• Link Connector: Balanced pin XLR Connector
• Update: USB Type B
• Network (RS485): RJ45
• AC Power Options: AC 100-120 V~ and 220-240 V~, 50/60 Hz Automatic
• AC Input Connector: powerCON
• AC Loop Through Connector: powerCON

• Enclosure Material and finish: 18 mm Plywood
• Colour Options: Black Paint
• Grille Material & Finish: 1.5 Steel

• Height: 560 mm / 22.0"
• Width (Front): 1065 mm / 41.9"
• Width (Back): 1065 mm / 41.9"
• Depth: 756 mm / 29.8"

• Height: 638 mm / 25.1"
• Width (Front): 1138 mm / 44.8"
• Width (Back): 1138 mm / 44.8"
• Depth: 829 mm / 326.0"

• Net Weight: 78.0 Kg / 171.6 lbs
• Gross Weight: 92.04 Kg / 202.4 lbs

Limited 3 Year Manufacturer Warranty