Wharfedale Pro T-Sub-AX18B - Active 18 Subwoofer

T-SUB-AX18B is an 18 active subwoofer from our T-SUB-AX Series - delivering deep, high-impact bass and exceptional power for live sound, DJ and installation environments.

Powered by a convection-cooled Class D amplifier, it delivers 900 W continuous and 1800 W peak power through a custom Wharfedale Pro 18 quad-layer driver with a 3.0 voice coil. The adjustable low-pass filter ensures seamless system tuning, making it an ideal low-frequency partner for Tourus, Titan and Typhon active tops.

Built from premium birch plywood and finished in our ultra-durable polyurea Tough-Tone paint, the T-SUB-AX18B features an illuminated front logo, integrated handles and a 35 mm pole socket for versatile setup. Designed for power, precision and reliability - it's the subwoofer that truly shakes the stage.

Specification Value

Active or Passive Active

System Type Subwoofer

Configuration Bass-reflex

System Continuous Power 900 W

System Peak Power 1800 W

Max SPL @ 1m 133 dB (Half Space)

Freq Range (-10 dB) 35 Hz - 250 Hz

Freq Response (+/-3 dB) 40 Hz - 200 Hz

Bi-amp Mode Switch No

Bluetooth No

IP Certification None

Driver Brand Wharfedale Pro

LF Driver Size 18"

LF Voice Coil Size Quad Layer 3

LF Rated Impedance 4

LF Power (RE:AES2-2012) 450 W

Preset Library No

Input Connector 2 x XLR

Enclosure Material Birch Plywood

Grille Material and Finish Steel Black

Finish Black Tough-Tone

Handles 2

Deployment Ground

Pole Mount 35 mm

Brackets Included No

Rigging No

Sensitivity 2.83v / 1m n/a dB

System Rated Impedance n/a

Crossover Frequency LPF 80-200 Hz (adjustable)

Recommended HPF = BW 18 dB/OCT. 35 Hz

Amplifier design Class D

DSP Controls Polarity switch 0 / 180 , LPF 80-200 Hz (adjustable)

Active loudspeaker Input Impedance 47 K Balanced

Link Connector 2 x pin XLR

Input sensitivity -10 dBu

Max input level 5 V

Main Power 100 V-120 V and 200 V-240 V

Power Supply SMPS

What's in the box
1 x Wharfedale Pro T-Sub-AX18B Active 18 Subwoofer
1 x Power Cable