Enhance your car audio experience with this comprehensive bundle featuring the RKFR6 Roadkill Fast Rings and Hertz Dieci Series DSK-1653 Component Speaker Kit. The RKFR6 includes a 3-piece foam ring system that fits 6" & 6.5" speakers, reducing panel vibration, increasing mid-bass response, and enhancing audio output efficiency. The kit minimizes destructive wave interference and prevents front and rear wave cancellation, maximizing speaker performance. Easy to install with a peel & stick application, it includes gaskets and foam pads for optimal sound quality. The Hertz Dieci Series DSK-1653 Component Speaker Kit offers high-quality audio simplicity with advanced features. The woofers utilize the V-cone profile for detailed mid-high range and off-axis response. The TPU surround ensures linearity and reduces resonance even during high excursion. The neodymium motor assembly and the PEI membrane deliver an extended high-frequency range. The kit includes a 24 mm PEI dome-cone tweeter, large motor assembly for voice coil control, and a DIN size basket protected by abrasion-proof dust paint. Specifications: Power Handling Peak W: 160, Continuous W: 80, Impedance Ω: 4, Frequency response Hz: 50 ÷ 23k, Sensitivity dB SPL: 93, Woofer size mm (in.): 165 (6.5), Tweeter size mm (in.): 24 (0.9). Elevate your car audio system with the RKFR6 and Hertz Dieci Series DSK-1653 for enhanced sound quality, clear detail, and powerful bass. Upgrade your driving experience with this premium bundle today!