Wharfedale Pro SIGMA-X18B Passive PA Subwoofer
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- Kindly note: Pricing is indicative and subject to change.
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Choose options
- This product may be available on request.
- Kindly note: Pricing is indicative and subject to change.
Chat with our Pros on Whatsapp
We're available from Monday to Saturday (9.30am-6.30pm GST)
Open WhatsAppSecure transactions
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.
read more7-Day Returns Policy
Shop with confidence. Returns can be requested within 7 days of delivery for unused, unopened items, in line with our Return & Refund Policy. Please review the full policy for complete details here.
read moreGet Flat 5% off for new users
Secure Transactions
- This product may be available on request.
- Kindly note: Pricing is indicative and subject to change.
Chat with our Pros on Whatsapp
We're available from Monday to Saturday (9.30am-6.30pm GST)
Open WhatsAppSecure transactions
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.
read more7-Day Returns Policy
Shop with confidence. Returns can be requested within 7 days of delivery for unused, unopened items, in line with our Return & Refund Policy. Please review the full policy for complete details here.
read moreGet Flat 5% off for new users
Secure Transactions
Download Product Data Sheet
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 |
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Frequently Asked Questions
