T218 – the flagship subwoofer in the Trinity Series. 145.1 dB peak SPL, 25-100 Hz, dual 18-inch bass reflex design.

T218 is the flagship subwoofer in the Trinity Series, the industry's first series of robotically controlled line source elements. This high-output, low-profile enclosure offers outstanding low-frequency performance with an operating range of 25 Hz-100 Hz.
T218 features dual front-loaded, long-excursion 18″ transducers in a bass reflex design for clean and punchy output. A large, unrestricted vent produces high SPL performance with minimal port distortion. A single field-replaceable module located on the rear of the cabinet contains the 4,000 W Class D amplifier, control electronics, and power supply. Advanced onboard DSP simplifies set-up and calibration and maximizes performance.
| Peak SPL | 145.1 dB |
| Frequency Response | 25-100 Hz |
| Low Frequency | 2 × 18″ Bass Reflex |
| Amplifier | Class D |
| Amplifier Power | 4,000 W |
| Operating Voltage | Auto-Switching 100-240 V, 50/60 Hz |
| Power Consumption | 1,800 W (at max power) |
| Network | Proprietary |
| Input Selection | Analog/AES |
| Audio/Network | Multipin Amphenol – IP65 |
| Power | powerCON TRUE1 – IP65 |
| Weight | 104 kg / 229 lb |
| W × H × D (mm) | 1395 × 518 × 780 |
| W × H × D (in) | 54.9 × 20.4 × 30.7 |
| Max Line Length | 16 Modules |
| Environmental | IP54 |
| Multipin Connector | IP65 |
| Module Construction | Void-Free, High-Grade Baltic Birch |
| Rigging Construction | 6061-T6 Aluminum |
| External Coating | EXL Polyurea |
| Grill | Powder Coated Aluminum |
| Warranty | 7 years · all components |