Orders placed after 4pm on weekdays will not ship until the next business day. Orders placed after 12pm Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
OWI's Boulder Rock Thunder Sub (Black) is a large outdoor speaker with a 12" woofer and 250 watts of maximum power. This hand painted speaker is made of a glass fiber reinforced concrete construction material that is UV-light resistant and is bug, dog and lawnmower proof. A security cable attachment ring is featured.
Glass fiber reinforced concrete construction material