ESK-F165.5 - Hertz 6.5" 270W Peak 2-Way Shallow Depth Component Speaker System ESK-F165.5 - Hertz 6.5" 270W Peak 2-Way Component Speaker System EV F165.5 165mm (6.5") Woofer, ET 26.5 26mm (1") Neodymium Tweeter, and CX 200.5 Crossover LP/HP at 3kHz - 6/12 dB Shallow profile for an easy replacement of factory speakers. V-cone for best off-axis response and clear mid-high frequency detail. Mounting Depth: 1.7"