Thunder SW-12 is a 12" single driver subwoofer with a built-in powerful amplifier and a slotted bass port on the back

It is hand-assembled for minimal jitter and reliable performance in digital audio systems

1x USB cable

Wall-mountable design - easy installation and space-saving

MSpa Startpaket Comfort TX-SR393 Thunder SW-12 is a 12"MSpa Starter Kit to get started quickly and easily with your spa bath a complete starter kit with everything you need for crystal clear and safe water from the very first bath. The package includes products for chlorination, algae protection, filtration, and water control, as well as practical care advice for optimal use. Perfect for new MSpa owners who want a hassle free start and long term water hygiene in their spa bath. NOTE! The filters included