Hertz One Pair of X-165 UNO Series 6.5" Coaxial Speakers and One Pair X -690 UNO Series 6x9" 4-Way Coaxial Speakers - This bundle includes a Hertz UNO Series X-165 6.5" Two-Way Coaxial Speakers (Pair), Hertz UNO Series X-690 6x9" Four-Way Coaxial Speakers (Pair), a pry kit, and a Creative Audio coozy. Hertz UNO Series X-165 6.5" Two-Way Coaxial Speakers (Pair) Features - Neodymium tweeter with PEI dome, for a brilliant reproduction of high frequencies and compactness. Tweeter faceplate optimized for exceptional off-axis performance. High stiffness metallic-grey finish pressed-paper cone with water-repellent treatment. Foam surround combining high sensitivity and deep bass response. Specifications - Power Handling - Peak W: 220 Power Handling - Continuous W: 55 Impedance Ω: 4 Frequency response Hz: 60 ÷ 21k Sensitivity dB SPL: 93.5 Woofer size mm (in.): 165 (6.5) Tweeter size mm (in.): 24 (0.9) Woofer Voice Coil Ø mm (in.): 25 (1) Tweeter voice coil Ø mm (in.): 14 (0.55) Hertz UNO Series X-690 6x9" Four-Way Coaxial Speakers (Pair) Features - Double 15 mm piezoelectric super-tweeter with PEI dome to extend the frequency response above 20 kHz. 40 mm PEI tweeter with ferrite motor, for a brilliant reproduction of mid-high frequencies and compactness. Tweeter and super-tweeter faceplate optimized for exceptional off-axis performance. High stiffness metallic-grey finish pressed-paper cone with water-repellent treatment. Specifications - Power Handling - Peak W: 340 Power Handling - Continuous W: 85 Impedance Ω: 4 Frequency response Hz: 45 ÷ 22k Sensitivity dB SPL: 94 Woofer size mm (in.): 6 x 9 Tweeter size mm (in.): 40 (1.6) Supertweeter size mm (in.): 2 x 15 (0.6) Woofer Voice Coil Ø mm (in