TCT technology (Turbine Cooled Transducer) for high efficiency
Military grade, dual 4-Ohm
You've been asking and Earthquake Sound has been listening. The tremor-x subwoofers are now made with Dual coil by popular demand. These tremor-x's are built with tct technology which allows the driver to play louder longer by keeping the voice coil running cool at all times. They also have stitched leads, reinforced dust cap construction for linear movement, and bigger, more effective magnets with added cooling devices to increase efficiency even more. The tremor-x subwoofers have No equal and are ready to prove it.