| Specification | Value |
|---|---|
| Active or Passive | Passive |
| System Type | Subwoofer |
| Configuration | Bass-reflex |
| System Continuous Power | 1200 W |
| System Programme Power | 2400 W |
| System Peak Power | 4800 W |
| Max SPL @ 1m | 139 dB (Half Space) |
| Freq Response (+/-3 dB) | 35 Hz - 1.2 kHz |
| Freq Range (-10 dB) | 30 Hz - 1.5 kHz |
| Bluetooth | No |
| IP Certification | None |
| Driver Brand | Wharfedale Pro |
| LF Driver Size | 18" |
| LF Voice Coil Size | Quad Layer 3.0″ |
| LF Rated Impedance | 16 Ω |
| LF Power (RE:AES2-2012) | 2 x 600 W |
| Preset Library | No |
| Input Connector | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo |
| Enclosure Material | MDF |
| Grille Material and Finish | Steel Black |
| Finish | Black Tough-Tone |
| Handles | 2 |
| Deployment | Ground |
| Pole Mount | None |
| Brackets Included | No |
| Rigging | No |
| Sensitivity 2.83 V / 1 m | 102 dB |
| System Rated Impedance | 4 Ω |
| Crossover Frequency | 2.2 KHz |
| Recommended HPF = BW 18 dB/OCT. | 30 Hz |
| Transformer (T) | No |
| Unpacked - Height (mm) | 540 |
| Unpacked - Width Front (mm) | 1040 |
| Unpacked - Width Rear (mm) | 1040 |
| Unpacked - Depth (mm) | 600 |
| Packed - Height (mm) | 640 |
| Packed - Width Front (mm) | 1100 |
| Packed - Width Rear (mm) | 1100 |
| Packed - Depth (mm) | 600 |
| Weight - Nett (kg) | 69 |
| Weight - Gross (kg) | 74.3 |
IMPACT-X218BD
Dual 18" Passive subwoofer - Large cabinet
IMPACT-X218BD is a dual 18″ passive subwoofer from our IMPACT-X Series — delivering extreme low-frequency power and precision for large-scale sound reinforcement, touring and installation systems.
With 1200 W AES (RMS), 2400 W programme and 4800 W peak power handling and a maximum SPL of 139 dB at 1 m, it features two custom Wharfedale Pro 18″ LF drivers with 3.0″ quad-layer voice coils for increased efficiency, control and heat dissipation. Operating from 30 Hz to 1.5 kHz, it produces deep, punchy bass with authority and clarity.
Built from premium MDF and finished in our rugged polyurea Tough-Tone paint, IMPACT-X218BD is made to endure the toughest environments. With 2 x 4 Pole speaker connector + 1/4″ Jack combo connectors and the iconic Wharfedale Pro “boomerang” logo, it stands as the most powerful subwoofer in the Impact-X lineup — built for those who demand nothing less than earth-shaking performance.
OVERVIEW
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| Specification | IMPACT-X12M | IMPACT-X15 | IMPACT-X18B | IMPACT-X215 | IMPACT-X218B | IMPACT-X218BD | IMPACT-X15L (legacy) | IMPACT-X15ML (legacy) | IMPACT-X18BL (legacy) | IMPACT-X215L (legacy) | IMPACT-X215LL (legacy) | IMPACT-X218L (legacy) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Catch Line | Big performance… on a small budget | 15" passive loudspeaker - practical and powerful | 18" passive subwoofer | Dual 15" passive loudspeaker - practical and powerful | Dual 18" Passive subwoofer - practical and powerful | Dual 18" Passive subwoofer - Large cabinet | 15" passive loudspeaker - Large cabinet - practical and powerful | 15" Passive floor monitor - Large cabinet | 18" passive subwoofer - Large cabinet | Dual 15" passive loudspeaker - Large cabinet - practical and powerful | Dual 15" passive loudspeaker - Extra large cabinet - practical and powerful | Dual 18" Passive subwoofer - Large cabinet |
| Active or Passive | Passive | Passive | Passive | Passive | Passive | Passive | Passive | Passive | Passive | Passive | Passive | Passive |
| System Type | Floor Monitor | Full-Range | Subwoofer | Full-Range | Subwoofer | Subwoofer | Full-Range | Floor Monitor | Subwoofer | Full-Range | Full-Range | Subwoofer |
| Configuration | 2-way | 2-way | Bass-reflex | 2-way | Bass-reflex | Bass-reflex | 2-way | 2-way | Bass-reflex | 2-way | 2-way | Bass-reflex |
| System Continuous Power | 250 W | 350 W | 500 W | 700 W | 1000 W | 1200 W | 350 W | 350 W | 600 W | 700 W | 800 W | 1200 W |
| System Programme Power | 500 W | 700 W | 1000 W | 1400 W | 2000 W | 2400 W | 700 W | 700 W | 1200 W | 1400 W | 1600 W | 2400 W |
| System Peak Power | 1000 W | 1400 W | 2000 W | 2800 W | 4000 W | 4800 W | 1400 W | 1400 W | 2400 W | 2800 W | 3200 W | 4800 W |
| Max SPL @ 1m | 128 dB | 130 dB | 133 dB | 135 dB | 137 dB | 139 dB | 130 dB | 130 dB | 134 dB | 135 dB | >135 dB | 139 dB |
| Freq Response (+/-3 dB) | 55 Hz - 18 kHz | 50 Hz - 18 kHz | 45 Hz - 220 Hz | 45 Hz - 18 kHz | 35 Hz - 1.2 kHz | 35 Hz - 1.2 kHz | 50 Hz - 18 kHz | 55 Hz - 18 kHz | 45 Hz - 220 Hz | 45 Hz - 18 kHz | 45 Hz - 18 kHz | 35 Hz - 1.2 kHz |
| Freq Range (-10 dB) | 50 Hz - 20 kHz | 45 Hz - 20 kHz | 30 Hz - 250 Hz | 40 Hz - 20 kHz | 30 Hz - 1.5 kHz | 30 Hz - 1.5 kHz | 45 Hz - 20 kHz | 50 Hz - 20 kHz | 30 Hz - 250 Hz | 40 Hz - 20 kHz | 40 Hz - 20 kHz | 30 Hz - 1.5 kHz |
| Driver Brand | Wharfedale Pro | Wharfedale Pro | Wharfedale Pro | Wharfedale Pro | Wharfedale Pro | Wharfedale Pro | Wharfedale Pro | Wharfedale Pro | Wharfedale Pro | Wharfedale Pro | Wharfedale Pro | Wharfedale Pro |
| LF Driver Size | 12" | 15" | 18" | 15" | 18" | 18" | 15" | 15" | 18" | 15" | 15" | 18" |
| LF Voice Coil Size | 2.5" | 2.5” | 2.5” | 2.5” | 2.5” | Quad Layer 3.0″ | 2.5” | Dual 2 Layer 2.5″ | Quad Layer 3.0″ | 2.5” | 2.5” | Quad Layer 3.0″ |
| LF Rated Impedance | 8 Ω | 8 Ω | 4 Ω | 2 x 8 Ω | 16 Ω | 16 Ω | 8 Ω | 8 Ω | 4 Ω | 16 Ω | 8 Ω | 16 Ω |
| LF Power (RE:AES2-2012) | 250 W | 350 W | 500 W | 2 x 350 W | 2 x 500 W | 2 x 600 W | 350 W | 350 W | 600 W | 2 x 350 W | 2 x 400 W | 2 x 600 W |
| HF Driver Type | Compression Driver | Compression Driver | Compression Driver | Compression Driver | Compression Driver | Compression Driver | Compression Driver | |||||
| HF Voice Coil Size | 1.75” | 1.75″ | 1.75″ | 1.75″ | 1.75″ | 1.75″ | 1.75″ | |||||
| HF Diaphragm Material | Titanium | Titanium | Titanium | Titanium | Titanium | Titanium | Titanium | |||||
| HF Exit Size | 1.5" | 1″ | 1″ | 1″ | 1″ | 1″ | 1″ | |||||
| HF Power (RE:AES2-2012) | 40 W | 40 W | 40 W | 40 W | 40 W | 40 W | 40 W | |||||
| HF Rated Impedance | 8 Ω | 8 Ω | 8 Ω | 8 Ω | 8 Ω | 8 Ω | 8 Ω | |||||
| Input Connector | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo | 2 x 2 Pole Speaker Connector + 1/4″ Jack Combo |
| Waveguide Type | Elliptical | Elliptical | Elliptical | Elliptical | Elliptical | Elliptical | Elliptical | |||||
| Enclosure Material | MDF | MDF | MDF | MDF | MDF | MDF | MDF | MDF | MDF | MDF | MDF | MDF |
| Grille Material and Finish | Steel | Steel Black | Steel Black | Steel Black | Steel Black | Steel Black | Steel Black | Steel Black | Steel Black | Steel Black | Steel Black | Steel Black |
| Finish | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone | Black Tough-Tone |
| Handles | Yes | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Deployment | Ground, Pole | Ground, Pole | Ground | Ground | Ground | Ground | Ground, Pole | Ground | Ground | Ground | Ground | Ground |
| Pole Mount | Dual Angle (0° / 10°) 35 mm Socket | Dual Angle (0° / 10°) 35 mm | 35 mm | Dual Angle (0° / 10°) 35 mm | 35 mm | |||||||
| Nominal Coverage (H x V) | 90˚x 60˚ | 90° x 60° | 90° x 60° | 90° x 60° | 90° x 60° | 90° x 60° | 90° x 60° | |||||
| Sensitivity 2.83 V / 1 m | 98 dB | 98 dB | 100 dB | 101 dB | 101 dB | 102 dB | 98 dB | 98 dB | 100 dB | 101 dB | 101 dB | 102 dB |
| System Rated Impedance | 8 Ω | 8 Ω | 4 Ω | 4 Ω | 4 Ω | 4 Ω | 8 Ω | 8 Ω | 4 Ω | 4 Ω | 4 Ω | 4 Ω |
| Crossover Frequency | 2.2 kHz | 2.2 KHz | 250 Hz | 2.2 KHz | 2.2 KHz | 2.2 KHz | 2.2 KHz | 2.2 KHz | 250 Hz | 2.2 KHz | 2.2 KHz | 2.2 KHz |
| Recommended HPF = BW 18 dB/OCT. | 50 Hz | 45 Hz | 30 Hz | 40 Hz | 30 Hz | 30 Hz | 45 Hz | 50 Hz | 30 Hz | 40 Hz | 40 Hz | 30 Hz |
| Included Accessory | Quick Start Guide | |||||||||||
| Unpacked - Height (mm) | 570 | 680 | 526 | 1058 | 554 | 540 | 680 | 645 | 650 | 1058 | 1300 | 650 |
| Unpacked - Width Front (mm) | 375 | 444.5 | 611 | 445 | 1222 | 1040 | 460 | 445 | 528 | 502 | 520 | 1020 |
| Unpacked - Width Rear (mm) | 250 | 611 | 245 | 1222 | 1040 | 250 | 445 | 528 | 283 | 300 | 1020 | |
| Unpacked - Depth (mm) | 363 | 429 | 607 | 429 | 607 | 600 | 450 | 505 | 639 | 467 | 500 | 610 |
| Packed - Height (mm) | 448 | 485 | 660 | 496 | 685 | 640 | 506 | 485 | 738 | 534 | 1390 | 728 |
| Packed - Width Front (mm) | 573 | 520 | 710 | 520 | 1092 | 1100 | 535 | 540 | 715 | 577 | 580 | 1092 |
| Packed - Width Rear (mm) | 573 | 520 | 710 | 520 | 1092 | 1100 | 535 | 540 | 715 | 577 | 580 | 1092 |
| Packed - Depth (mm) | 396 | 750 | 635 | 1125 | 728 | 600 | 759 | 700 | 604 | 1125 | 360 | 685 |
| Weight - Nett (kg) | 17.4 | 22 | 34.52 | 34.5 | 62.5 | 69 | 23.5 | 21.9 | 39.3 | 37.1 | 44.4 | 67.3 |
| Weight - Gross (kg) | 20.5 | 26 | 41.2 | 38.9 | 71 | 74.3 | 26.6 | 25.4 | 44.2 | 41.6 | 49.1 | 72.6 |