JBL GSB12 12-Inch In-Ground Landscape SubwooferThe JBL GSB12 in ground 12 inch landscape subwoofer provides rich, full range sound in lawn and garden areas of hospitality, corporate and retail spaces. The GSB12 focuses on fidelity, with true subwoofer extension down to 30 Hz and a steep, multiple slope lowpass filter for superior sound. Its premium grade, 200 watt subwoofer band transformer allows use in 70V 100V systems or can be connected for low impedance direct operation. This sleek, ultra low