Wharfedale Impact X18B
18" Passive subwoofer
From R 424.58 per month
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4× fortnightly payments of R1,273.75 with
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12× monthly payments of R424.58 with
Delivery: Fast Shipping – Door to Door Standard Delivery
Collection: Free In Store Collection
Product ID: 8533714796710

Wharfedale Impact X18B
IMPACT-X18B
IMPACT series has become well-known for its power to price ratio. Big power at great value. Customers around the world love their IMPACT series loudspeakers and are proud to use ‘Wharfedale Pro’.
To enhance that brand quality and customer passion, we have made a small cosmetic upgrade to IMPACT. It now boasts the iconic Wharfedale Pro boomerang logo !
The Impact-X18B passive subwoofer encapsulates everything Wharfedale Pro stands for – High quality pro audio, at an affordable price. On this occasion we have raised the bar for affordable PA delivering a PA speaker series with a sound and aesthetic comparable to that of a much higher price bracket.
Key Features
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The strong MDF cabinet is covered in a textured black paint to give a durable yet stylish finish, which brings a professional look to any sound reinforcement environment.
The finish is extremely hard wearing and is leagues above any other carpet covered cabinet in the same price point.

Model Name | IMPACT-X18B |
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System Type | Passive |
Configuration | 18" Subwoofer |
Frequency Response (+/-3dB) | 40Hz-220Hz |
Frequency Range (-10dB) | 30Hz-250Hz |
Sensitivity (2.83v/1m) | 100dB |
Calculated Maximum SPL @1m | 133dB |
System Rated Impedance | 4Ω |
Low Frequency Transducer | |
Size | 470mm / 18" |
Voice-Coil Size | 65mm / 2.5" |
Rated Impedance | 4Ω |
LF Power (re:AES2-2012) | 500W |
High Frequency Transducer | |
HF Driver Type | |
Voice-Coil Size | |
Exit Size | |
Diaphragm Material | |
Rated Impedance | |
HF Power (re:AES2-2012) | |
Nominal Coverage (H x V) | |
Nominal Impedance | |
Power | |
System Continuous Power | 500W |
System Programme Power | 1000W |
System Peak Power | 2000W |
Crossover frequency | 250Hz |
Input Connector | 2 x NL2 (speakON compatible) combi jack |
Hardware | 35mm pole socket |
2 carry handles | |
Enclosure | |
Enclosure Material and finish | MDF |
Colour Options | black paint |
Grille Material & Finish | steel |
Dimensions - Unpacked | |
Height | 526mm / 20.71" |
Width Front | 611mm / 24.06" |
Width Rear | 611mm / 23.06" |
Depth | 606.5mm / 23.88" |
Dimensions - Packed | |
Height | 635mm / 25" |
Width Front | 710mm / 27.95" |
Width Rear | 710mm / 27.95" |
Depth | 660mm / 25.98" |
Weight | |
Net Weight | 34.52kg / 75.9lbs |
Gross Weight | 41.2kg / 90.6lbs |

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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.