Wharfedale Pro
Wharfedale Pro SIGMA-X18B Passive PA Subwoofer
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All products come with a 1–3 year manufacturer warranty, depending on the brand and model. For exact coverage details, simply reach out to our support team. We're here to help ensure every warranty request is handled smoothly and efficiently.
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FEATURES
- 500 W AES (Continuous) Parallel
- 1000 W Programme – Parallel
- 2000 W Peak – Parallel
- 2.5” LF Voice coils
- 133 dB Max SPL @ 1 m
DESCRIPTION
A complete re-design of the classic SIGMA series of Installation loudspeakers. 7 new models with a fresh new cosmetic for 2022.
Building on the reliable performance of the established SIGMA series, the new SIGMA-X features newly designed front grilles and support materials to make the installation simply look and sound great. Available in black or white durable paint finishes, SIGMA-X models now also include both speakON and barrier strip connections, making installation easy!Improved mounting and rigging options make SIGMA-X simple to install into almost any location. The improved audio definition is also welcomed as SIGMA-X has been completely re-evaluated by the Wharfedale Pro International R&D team.
SPECIFICATIONS
| Model Name | SIGMA-X18B |
| System Type | Passive |
| Configuration | Subwoofer |
| Frequency Response (+/-3 dB) | 35 Hz – 250 Hz |
| Frequency Range (-10 dB) | 30 Hz – 250 Hz |
| Sensitivity 2.83 V / 1 m | 100 dB |
| Calculated Maximum SPL @1 m | 133 dB |
| System Rated Impedance | 4 Ω |
| Low Frequency Transducer | |
| Size (mm / inches) | 457 mm / 18” |
| Voice Coil Size (mm / inches) | 64 mm / 2.5” |
| Rated Impedance | 4 Ω |
| LF Power re:AES2-2012 | 500 W |
| High Frequency Transducer | |
| HF Driver Type | n/a |
| Coil Size (mm / inches) | n/a |
| Exit Size (mm / inches) | n/a |
| Diaphragm Material | n/a |
| Rated Impedance | n/a |
| HF Power re:AES2-2012 | n/a |
| Waveguide Type | |
| Nominal Coverage (H x V) | na |
| LF Driver | 1 x 18″ |
| HF Driver | n/a |
| Power | |
| System Continuous Power | 500 W |
| System Programme Power | 1000 W |
| System Peak Power | 2000 W |
| Crossover frequency | 150 Hz |
| Recommended HPF | 28 Hz |
| = BW 18 dB/oct. | |
| Input Connector | 2 x speakON / 1x Barrier Strip |
| Hardware | 35 mm pole socket |
| 4 handles on sides | |
| Enclosure | |
| Enclosure Material | 18 mm MDF |
| Finish | Black Paint / White Paint |
| Grille Material & Finish | 1.2 mm steel, painted |
| Dimensions – Unpacked | |
| Height | 554 mm / 21.25″ |
| Width Front | 502 mm / 20″ |
| Width Rear | 502 mm / 20″ |
| Depth | 780 mm / 30.8″ |
| Dimensions – Packed | |
| Height | 649 mm / 25.5″ |
| Width Front | 588 mm / 22.75″ |
| Width Rear | 588 mm / 22.75″ |
| Depth | 865 mm / 34″ |
| Weight | |
| Net Weight | 39.1 kg / 86 lbs |
| Gross Weight | 46.4 kg / 102 lbs |
| Optional Wall-mount bracket | n/a |
Frequently Asked Questions
Yes. MusicMajlis is an authorized dealer for every brand we carry, and every unit ships as-is from the manufacturer with its full original packaging and accessories.
Every item is backed by its official brand warranty. Warranty length and coverage vary by manufacturer -- check the product description or contact us and we’ll confirm the exact terms before you buy.
Orders over AED 499 ship free. We offer next-day delivery across Dubai and Sharjah, and 1-3 business days for the rest of the UAE.
Yes -- split any order into 4 interest-free payments with Tabby or Tamara at checkout, no extra fees.
We offer simple, hassle-free returns within 7 days of delivery for unused items in original packaging. Contact our team to start a return.
Yes. Trade in gear you’ve outgrown for store credit toward this or any other item -- reach out to our team for a quick valuation.
