JBL 3678-LF 15" Woofer Pro System, 30Hz to 20kHz Frequency Range, 98dB SPL Sensitivity

The JBL 3678-LF low Frequency section uses a single JBL 2226H Driver. This 600 watt driver features JBL-patented Symmetrical Field Geometry (SFG) and Vented Gap Cooling technology for high power handling with minimal power compression.