15" Dual Voice Coil Subwoofer 4Ω Prepare for seismic bass performance with the Diamond Audio HEX Series H154 15-inch dual voice coil subwoofer (4Ω), built for serious car audio enthusiasts who crave extreme output, precision control, and uncompromising durability. Designed using advanced technology inspired by the HEX PRO Series, this 15" subwoofer delivers deep, hard-hitting bass with remarkable clarity and consistency. At the core of the H154 HEX subwoofer is a massive 3-inch high-temperature
