The CT Sounds Strato-15 is a 15-inch car subwoofer rated at 1250 watts RMS, built for high-output bass in a ported or sealed enclosure. Its 3-inch four-layer copper-clad aluminum voice coil, 170 oz double-stacked Y35 ferrite magnet and die-cast aluminum basket put it in competition-oriented territory. The dual 2-ohm voice coils and revised basket with more spider landing space are aimed at people running big power who want deep, loud low end. Against mainstream 15s it trades everyday efficiency for raw output, and owners rate it highly for the bass it delivers for the money.
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Owners rate it 4.9 out of 5 and describe it as a loud, hard-hitting sub that handles its rated power without strain. Praise centers on output and build for the money; few complaints appear in the ratings given.
The STRATO-15 is a 15-inch car subwoofer rated at 1250 watts RMS and 2500 watts max. It has dual 2 ohm voice coils. The newest version uses a basket with more spider landing space and a competition mega foam surround, which increases Xmax and excursion.
It is built with a 3-inch, 4-layer high-temperature copper-clad aluminum voice coil and a double stacked Y35 ferrite magnet that weighs 170 oz. The basket is cast aluminum, and the cone is composite paper with 4% carbon fiber reinforcement. Dual round weaved copper tinsel leads and a poly-cotton and Nomex spider pack complete the build.
Connections are made at 8 gauge push terminals.








