The CT Sounds Thermo 15 is a 15-inch car subwoofer built for SPL competition and heavy bass, rated at 1500 watts RMS and 3000 watts peak with a dual 2-ohm voice coil. It shares its power rating with the Meso 15 but is tuned for maximum loudness at targeted frequencies rather than flat output across the range. That makes it a fit for bass-heads chasing peak numbers in a ported box, while the Meso remains the better pick for everyday all-around sound. Owners rate it highly, though it needs a stout amplifier and a properly built enclosure to deliver.
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Owners rate the Thermo 15 very highly, with a perfect average across the ratings given. They treat it as a dedicated SPL driver that delivers the loudness it promises when fed proper power in the right box.
The CT Sounds Thermo 15" is a 15-inch car subwoofer built for SPL, with a focus on peak loudness at targeted frequencies. It has a 1500-watt RMS rating and a 3000-watt max rating. It uses a dual 2 ohm voice coil configuration.
It has an oversized motor assembly and a 10-inch quad-layer poly-cotton spider suspension. The surround is a dual white stitched competition mega foam. The cone is non-pressed composite paper with 6% carbon fiber reinforcement. The basket is cast aluminum, and the bottom plate is chrome-finished low carbon iron.
The Thermo 15" trades some bandwidth for higher SPL peaks compared with the CT Sounds Meso 15". It is meant for builds aiming for 150+ dB.
