• P181-SP
  • P181-SP
  • P181-SP
  • P181-SP
  • P181-SP
  • P181-SP
  • Info
  • Specifications
  • Drawings
  • Recommended Amplifier


The TPA P181-SP is a high performance self powered subwoofer, especially designed to interact with our new shark array and, also can possess high output capability with low frenquency extension. A single ultra-long excursion 18”(460mm) / 4”(100mm) coil driver is front loaded by a hyperbolic horn with low flare rate. The rear of the driver is reflex loaded to extend the LF output to below the natural cut-off point of the horn. This technique marries the very high efficiency of horn loading with the extended low frequency response of a reflex enclosure.


● Horn loaded / reflex loaded self powered sub system
Single 18”/460mm ultra-long excursion high power bass driver
Sensitivity 105dB 1W@1M 

Maximum SPL 138dB Peak
Fast, integral rigging system with variable splay angles


Live clubs
Concert touring
Fixed installations


Type Compact ,vented sub bass system
Frequency Response 33Hz-150Hz±3dB,-10dB@ 30Hz
Drivers 18"(460mm) bass driver
Rated Power700W
Recommended Amplifier1050-1400W into 8 ohms
Sensitivity 105dB 1W/1M
Maximun SPL 132dB continuous,138dB peak
Nominal Impedance 8 ohms nominal
Finish Textured black paint
Protective Grille Black perforated steel
Connectors 2×Neutrik speakon NL4
Fittings Top hat fitting
Dimensions(mm) (W)592mm(H)914mm(D)700mm
Weight 58KG



TypeClass D inc SPMS and Networked DSP
Power Output600+600+1000W @ 8ohm (1KHz, 0.01% THD)
Input Panel

2xCombo input, 2xRCA input, Mono / Stereo Switch;

Mic/ Line Switch, USD Port, LCD Display, Preset select buttom,

2xVolume Control, Bass Boost Buttom, Bluetooth

Output3xCable, 2xSpeakon
Power InuptPowercon, Switch

2 x Input, 3 x Output, 48Hz Sampling, Phase,

6 x PEQ per input/output, Q Value, delay 370ms, Crossover, Limiter

Power REQ110 - 250V @ 50/60Hz

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