T18 960x500


140.4 dB
25 Hz-100 Hz
T18 is the compact subwoofer offering in the Trinity range, the industry’s first series of robotically controlled line source systems. This high-output, low-profile enclosure offers outstanding low-frequency performance with peak SPLs of 140.4 dB and an operating range of 25-100 Hz.

Sharing many internal components with PK Sound’s flagship T218 subwoofer, T18 features a front-loaded, long-excursion 18” transducer in a bass reflex design for clean and punchy output. A large, unrestricted vent enables high SPL performance with minimal port distortion. A single field-replaceable module located on the rear of the cabinet contains the 2,700 W Class D amplifier, control electronics, and power supply.

Onboard DSP and AVB end points simplify set-up and calibration while optimizing acoustic performance, routed through the world’s first implementation of Neutrik’s DR Series of IP65-rated connectors for maximum stability.

Network-based Auto-Array via PK .dynamics software allows each T18 to recognize its position within the system for improved accuracy and simplifies advanced deployments including cardioid configurations and arc delays.

Integrated rigging hardware allows for up to 16 T18 modules to be flown in a column, or securely ground-stacked. A low-profile design allows T18 to fit under any stage and efficiently pack for global transport, making it an ideal solution for both mobile and performance installation applications.

25 Hz-100 Hz

1 x 18" Bass Reflex

VE40 Class D
2,700 W
Auto-Switching 100-240 V, 50/60 Hz
600 W

Analog/AES - IP65
Balanced XLR/etherCON – IP65
powerCON TRUE1 – IP65

70.2 kg/154.7 lb.
755 x 507 x 780
29.7 x 20 x 30.7
16 Modules
IP42 (front), IP43 (rear)
Void-Free, High-Grade Baltic Birch
6061-T6 Aluminum
EXL Polyurea
Powder Coated Aluminum
* Maximum SPL with Pink Noise Crest Factor 4 at 1 m (with limiters & DSP active)

Release DateCategoryFile TypeSize kBLanguage
T18 (Letter)Spec Sheetapplication/pdf337.08ENGDownload 'T18-Spec Sheet-Letter.pdf'
T18 (A4)Spec Sheetapplication/pdf338.00ENGDownload 'T18-Spec Sheet-A4.pdf'
T18 (Letter)EU Declaration of Conformityapplication/pdf107.36ENGDownload 'T18-CE Declaration-Letter (01.04.2024).pdf'
T18 (A4)EU Declaration of Conformityapplication/pdf107.70ENGDownload 'T18-CE Declaration-A4 (01.04.2024).pdf'
T8 & T18 Suspension Frame

T8 & T18 Suspension Frame

T18 Caster Board

T18 Caster Board


PK Sound

235075 Ryan Rd.
Rocky View, AB T1X 0K3

PK Europe

Kasteelstraat 223
9255 Buggenhout