3000 Watt 18" Powered Subwoofer with Klark Teknik DSP Technology and ULTRANET Networking


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  • Front loaded powered subwoofer for portable PA applications
  • 3,000 Watt power featuring Klark Teknik Class-D technology
  • Klark Teknik Digital Signal Processing for total system control
  • ULTRANET digital audio networking connects to mixers and other sources
  • 18" low frequency driver with inside/outside wound coil for high power handling
  • Fully featured user interface with LCD display for ease of navigation
  • PC remote control software downloadable at turbosound.com
  • Low distortion bass reflex port design
  • 18 mm (3/4”) birch plywood enclosure with hard wearing semi matt black paint finish
  • Rugged powder coated perforated steel mesh grille
  • 35 mm pole mount to support satellite speaker
  • Durable handles for easy lifting and carrying
  • Mains input on Neutrik powerCON* connectors
  • Designed and engineered in the U.K.



Frequency response 35 Hz – 90 Hz ±3 dB
32 Hz – 100 Hz -10 dB
Nominal dispersion Half Space
Maximum SPL 134 dB peak
Crossover type Active
Transducers 1 x 18" (460 mm) LF driver
Limiter Independent LF, peak and rms


Maximum output power* 3000 W
Type Class-D
Protection Short circuit, thermal


Sensitivity +4 dBu or +14 dBu software switchable
Input impedance 40 kO balanced
Maximum input level +22 dBu
Ultranet input/link 2 x RJ45
Mains Supply Neutrik powerCON 20A†


DSP Rotary push-encoder and level control
Buttons for process, setup, exit, enter

User DSP Functions

Factory EQ presets Positioning, Sound mode FBQ
Display LCD 128 x 32, blue, backlit
Delay 0 - 300 ms
Equalisation High and low shelving EQ
2 x parametric EQ
Limiter Zero attack input limiter
Presets 20 total presets, 19 user-definable
Crossover High Pass L-R 24 dB/oct
Protection Lock-out function for all settings

Ultranet Digital Network

Digital processing  
A/D conversion 24-bit, 44.1/48 kHz sample rate
Converter type 24-bit, delta-sigma
Signal 16 channels
Latency < 0.9 ms
Frequency response 20 Hz to 20 kHz (+0 / -3 dB)
Dynamic range typical 92 dB
Cables Shielded CAT5
Cable length Max. 246 ft / 75 m recommended

Power Supply

Power consumption 180 W @ 1/8 max power
Voltage (fuses)  
USA / Canada 120 V~, 60 Hz (T 15 A H 250 V)
UK / Australia / Europe 220-240 V~, 50/60 Hz (T 10 A H 250 V)
Korea / China 220-240 V~, 50/60 Hz (T 10 A H 250 V)
Japan 100 V~, 50/60 Hz (T 15 A H 250 V)


Dimensions HWD 693x 523 x 725 mm (27.3 x 20.6 x 28.5")
Net weight 46.3 kg (61.2 lbs)
Construction 18 mm (¾") birch plywood
Finish Semi matt black paint
Grille Powder coated perforated steel


  TS-PC18B-2 protective cover for TSP118B