About this item

• 8″ In-Ground, Landscape, Outdoor, Subwoofer with one 209 mm (8??) polypropylene woofer, 38mm (1.5??) voice coil on Kapton former. True subwoofer performance down to 35 Hz. Built-in steep, multiple-slope lowpass filter for optimal bass output, and clear sound. Low-impedance ohm direct operation, plus premium-grade subwoofer-band transformer for use in 70V/100V systems.
• Durability and Ease of Installation – The JBL Professional GSB8 in-ground subwoofer is engineered for effortless setup and long-lasting performance. With sturdy handles for easy placement and tabs for secure anchoring, this robust subwoofer is designed to seamlessly integrate into your landscape without fear of damage from landscaping activities.
• Dimensions: 768 mm height x 311 mm diameter (30.1 x 12.2 in)
• Forms a complete outdoor speaker system with JBL GSF3 or GSF6 full-range landscape speakers.
• Finishes to fit most landscapes. Available here in Hunter Green. Tan is also available.

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Product information

Product Description

Elevate your outdoor audio experience with the JBL Professional GSB8, a premium in-ground 8-inch landscape subwoofer designed to enrich your garden, patio, or any outdoor space with deep, powerful bass. Perfectly blending into your landscape, this subwoofer is engineered to provide a full-range sound that extends down to an impressive 35 Hz. Its sophisticated, multiple-slope lowpass filter ensures the highest fidelity, delivering true subwoofer performance that complements the JBL GSF full-range landscape speakers. The GSB8 is not just about exceptional sound quality; it’s also built to last in the great outdoors. With a 100-watt subwoofer-band transformer, it’s versatile for use in both 70V systems and low-impedance direct operation. The installation is a breeze, thanks to its underground design with only the audio port visible, safeguarding against accidental damage from landscaping activities. Additionally, the subwoofer’s chamber is strategically placed directly below the audio port for added protection, and convenient grab handles make installation simple, while tabs ensure secure anchoring. It also performs great if it is surface mounted. For those seeking an outdoor speaker system that withstands the elements and offers unparalleled sound, the JBL Professional GSB8 is the ultimate subwoofer choice. Whether you’re enhancing the ambiance of hospitality venues, corporate environments, retail spaces, or your own backyard, this outdoor subwoofer waterproof design ensures longevity and performance. It’s not just an outdoor speaker; it’s a statement of quality and a testament to JBL’s legacy in sound innovation. Add the JBL Professional GSB8 to your outdoor landscape speakers and transform any space into an auditory oasis.