Enhance your car audio system with this comprehensive bundle featuring RKFR5768 Roadkill Fast Rings 5x7" & 6x8" and MTX Audio THUNDER68 Thunder Series 5x7" Coaxial Speaker Pair. The RKFR5768 Roadkill Fast Rings offer a 3-piece foam ring system that boosts speaker performance by reducing panel vibration, enhancing mid-bass response, and improving audio output efficiency for a more immersive listening experience. Easy to install with peel & stick application, these rings also help prevent wave interference and front and rear wave cancellation, ultimately maximizing speaker installation performance. Pair these rings with the MTX Audio THUNDER68 Thunder Series coaxial speakers for rich bass and exceptional sound quality. With a 60W RMS power handling capacity and the ability to reproduce frequencies down to 48Hz, these speakers deliver a full range sound experience ideal for various music genres. The speakers feature an extended low frequency reproduction, concave cone design, and a pivoting tweeter for improved off-axis response and imaging flexibility. The THUNDER68 speakers are designed to excel even without a subwoofer, boasting incredible clarity and low-frequency response. The Polypropylene cone and rubber surround ensure durability and weather resistance, making them perfect for any car environment. SPECIFICATIONS: - RMS Power: 60 Watts - Sensitivity: 92dB - Impedance: 4 Ohms - Frequency Response: 45Hz - 20kHz - Cone Material: Polypropylene - Grille Included: No - Woofer Mounting Depth: 2.44" Upgrade your car audio setup with this bundle for a superior listening experience on the go.