JBL GSB12 in-ground subwoofer

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Deep, powerful bass output down to 30 Hz for outdoor audio systems
In-ground hidden design keeps landscapes clean and visually appealing
High 900W power handling suitable for large commercial outdoor areas
360° omnidirectional bass ensures even low-frequency coverage
Weatherproof LDPE enclosure built for all-season outdoor use in India
70V / 100V line compatible for distributed PA and background music systems
12-inch long-throw subwoofer driver delivers tight, distortion-free bass
Available in Pine Green and Beige Grey to blend into outdoor environments

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Description
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The JBL GSB12 In-Ground Landscape Subwoofer is a high-performance 12-inch outdoor subwoofer designed to deliver deep, powerful bass for premium landscape audio systems. Built for permanent outdoor installation, it installs discreetly below ground while producing rich low-frequency sound up to 30 Hz, enhancing music clarity and impact across gardens, lawns, resorts, hotels, villas, and commercial outdoor spaces .Engineered with JBL Professional sound technology, features a heavy-duty polypropylene cone, weather-resistant enclosure, and high-power handling up to 900W, making it ideal for Indian weather conditions. Its omnidirectional bass dispersion ensures even low-frequency coverage without visible speakers, maintaining the beauty of your outdoor landscape

Q1. Is the JBL GSB12 suitable for Indian outdoor weather?
A-1 Yes. It is designed for outdoor use with weather-resistant materials suitable for heat, rain, and dust.

Q2. Can this subwoofer be used in residential gardens?
A-2 Absolutely. It is ideal for villas, farmhouses, and luxury home gardens.

Q3. Does the GSB12 need a separate amplifier?
A-3 Yes. It requires a compatible 70V/100V or low-impedance amplifier, depending on your system design.

Q4. Is the subwoofer visible after installation?
A-4 No. It is installed underground, keeping your landscape clean and elegant.

Q5. Can it be used in commercial projects like hotels and resorts?
A-5 Yes. It is widely used in hotels, resorts, theme parks, cafés, and outdoor event venues.

Specifications

Model	JBL GSB12
Type	In-Ground Landscape Subwoofer
Frequency Range (-10 dB)	30 Hz – 120 Hz
Frequency Response (±3 dB)	39 Hz – 107 Hz
Power Handling	900 W Continuous Program (2 hrs)450 W (1800 W Peak) Continuous Pink Noise (2 hrs)300 W (1200 W Peak) Continuous Pink Noise (100 hrs)
Sensitivity	85.5 dB (average 40 Hz – 105 Hz)
Maximum SPL	118 dB peak / 111 dB continuous (2 hrs) @ 1 m
Coverage Pattern	Omnidirectional (360° bass dispersion)
Nominal Impedance	6 Ω (at 6 Ω tap)
Transformer Taps	70V: 200 W, 100 W, 50 W100V: 200 W, 100 W
Driver	305 mm (12″) subwoofer driver with polypropylene injection cone, thermoplastic surround, 50 mm (2″) voice coil on glass-fibre former
Terminals	Bare wire with dielectric-gel-filled wire nuts (1 m single-jacketed cable, 7 wires, 14 AWG)
Enclosure Material	LDPE Polyethylene plastic, 6 mm minimum wall thickness, color throughout
Color Options	Pine Green (RAL 6028) / Beige Grey (RAL 7006)
Dimensions (H × Dia)	842 mm × 400 mm (34.2 × 15.8 inches)
Net Weight	16.2 kg (35.7 lbs)
Included Accessories	(7) Gel-filled wire nuts