Free shipping on All Orders
Outdoor Speakers
Transform any outdoor space with the JBL Professional GSB8 Weatherproof In-Ground 8" Subwoofer. Designed to blend seamlessly into your landscape, this premium subwoofer offers powerful bass with a full-range sound that extends down to 35 Hz. Its multiple-slope lowpass filter ensures high fidelity and complements the JBL GSF full-range speakers. Equipped with a 100-watt subwoofer-band transformer, it can be used in both 70V systems and low-impedance direct operation. The subwoofer is designed for easy installation and features a hidden audio port and grab handles for added convenience. With a strategically placed chamber for added protection, the JBL Professional GSB8 is durable and ready to withstand outdoor conditions. Whether for hospitality, corporate, retail, or personal use, this subwoofer is a testament to JBL's legacy of sound innovation and quality. Elevate your outdoor audio experience with the JBL Professional GSB8.
Your wishlist is empty
Continue shoppingWe offer standard delivery in 2 business days or less.
Delivery time for standard shipping to any of the 48 contiguous U.S. states is 1-2 business days. Delivery time for standard shipping to Alaska, Hawaii, and Puerto Rico is 4-6 business days. Business days include Monday - Friday and exclude UPS holidays.
Note: Delivery time estimates do not apply to large or heavy items that require special shipping (including most TVs), items shipped directly from the manufacturer, or out-of-stock items. Some items that ship from the manufacturer can only be delivered to addresses within the 48 contiguous states.
Map of estimated, standard delivery time to the U.S. and Puerto Rico.