The JBL8124 is a 4-inch full-range cost-effective loudspeaker for commercial applications. The JBL8124 features high-fidelity performance in an easy to install package. The system’s high sensitivity drivers deliver maximum sound levels using minimal amplifier power. With its contemporary grill design 70V/100V taps and an open-back design the 8100 series brings elegance and performance to basic commercial sound systems or any application not requiring a backcan for installation.Features:• Clear High-Fidelity Performance • Dog-ears for easy Blind Mount Installations • High Sensitivity (93 dB 1W 1m) for Maximum Power Efficiency • 6W Transformer for use of 70V / 100V Distributed Lines