Wharfedale Pro T-SUB-AX18B - 18" Active Subwoofer

Description

18″ Active Subwoofer | 900W Continuous | 1800W Peak

The T-SUB-AX18B is the largest and most powerful subwoofer in Wharfedale Pro’s T-SUB series.

Designed for deep, punchy bass with reliability in mind, this 18″ active sub features a quad-layer 3.0″ voice coil, convection-cooled Class D amplification, and robust birch plywood construction.

Ideal for mobile DJs, live sound setups, or permanent installations needing serious low-end support.

Features

• 18″ quad-layer LF driver with 3.0″ voice coil

• 900W Continuous / 1800W Peak Class D power

• Adjustable low pass filter (80–200 Hz)

• Max SPL: 133 dB

• Built-in DSP protection (thermal, DC, short, limiter)

• Balanced XLR inputs & link outputs

• 0° / 180° polarity switch

• Convection-cooled – fanless, silent operation

• Tough-Tone black finish & steel grille

• 35 mm pole mount & integrated handles

• Front blue LED logo with rear power indicator

• Perfect match for Tourus, Typhon, and Titan series active tops

Specifications

• System Type: Active 18″ Subwoofer

• LF Driver: 18″ quad-layer driver

• Voice Coil Size: 3.0″

• Impedance: 4 Ω

• Amplifier Type: Class D

• Power Output:

  • 900 W Continuous

  • 1800 W Peak

• Frequency Response (±3 dB): 40 Hz – 200 Hz

• Frequency Range (±10 dB): 35 Hz – 250 Hz

• Max SPL (Peak @ 1 m): 133 dB

• Sensitivity (1W / 1m): 97 dB

• Crossover Frequency: LPF adjustable 80 Hz – 200 Hz

• Polarity Switch: 0° / 180°

• Cooling System: Convection cooled (fanless)

• Input Type: Balanced

• Input Connectors: 2 x XLR

• Input Impedance: 47 kΩ balanced

• Input Sensitivity: -10 dBu

• Max Input Level: 5 V

• Link Output Connectors: 2 x XLR

• Protection Circuits:

  • Power-on mute

  • Thermal shutdown (auto reset)

  • Driver protection

  • DC protection

  • Short circuit protection

  • Limiter with red LED indicator

• Enclosure Material: 15 mm birch plywood

• Finish: Tough-Tone black paint

• Grille: 1.5 mm steel

• Pole Mount: 35 mm socket

• Front LED Logo: Blue (illuminated)

• Rear Power Indicator: Green

• Dimensions (Unpacked):

  • Height: 650 mm 

  • Width: 528 mm 

  • Depth: 638.8 mm 

Dimensions

740 x 730 x 620 mm

Weight

44.5 kg

Disclaimer

Please note that certain products are supplied directly from international or country-specific suppliers. While we strive to keep our stock levels accurate and updated, there may be instances where an item becomes unavailable due to supplier delays or stock inconsistencies. In such cases, we will promptly contact you to offer suitable alternatives or issue a full refund. We appreciate your understanding and patience, and we're committed to ensuring a smooth and satisfactory experience.

Product images, descriptions, and other related content are provided for illustrative purposes only. Actual products may vary slightly in appearance, specifications, or packaging depending on supplier availability and region-specific variations. These differences do not affect the core functionality or quality of the item. We aim to ensure all product details are as accurate as possible, but we reserve the right to make necessary adjustments without prior notice.

Contact us on Online@hgmw.co.za or +27 13 752 7725