The T18 is a compact subwoofer in the Trinity range, the industry’s first robotically controlled line source system series. This low-profile, high-output enclosure delivers exceptional low-frequency performance, achieving peak SPLs of 140.4 dB with an operational range of 25-100 Hz.

Clean & punchy low-frequency output

Building on PK Sound’s flagship T218 subwoofer, the T18 features a front-loaded, long-excursion 18″ transducer in a bass reflex design, ensuring clean, punchy low-frequency output. Its large, unrestricted vent minimizes port distortion while supporting high SPL performance. The rear-mounted, field-replaceable module integrates a 2,700 W Class D amplifier, control electronics, and power supply into a single, serviceable unit.

Reliable operation in demanding environments

Onboard DSP and AVB networking simplify setup and calibration while optimizing acoustics. Connectivity is enabled by Neutrik’s DR Series IP65-rated connectors, ensuring reliable operation in demanding environments. Network-based Auto-Array functionality via PK .dynamics software allows each T18 to self-identify within the system, streamlining advanced configurations such as cardioid arrays and arc delays.

The T18 features integrated rigging hardware, enabling up to 16 units to be flown in a vertical column or securely ground-stacked. Its low-profile design fits under stages and optimizes packing for global transport, making it a versatile solution for mobile and fixed performance applications.