Upgrade your audio experience with the new and improved Memphis Street Reference speakers. Offering remarkable performance and unbeatable value, these speakers are the perfect choice for anyone looking to upgrade their audio system without breaking the bank. The latest Street Reference coaxial speakers have received a boost in power handling compared to their predecessors. These speakers also feature a slimmer profile, allowing compatibility with an even wider range of factory locations. The introduction of a polypropylene cone and rubber surround not only adds a sleek new look but also contributes to a richer sound and an overall increase in power handling. FEATURES: Polypropylene cone; PEI Tweeter; Rubber Surround; Slim mounting depth. SPECIFICATIONS: Size (in): 4″; RMS/Peak (w): 30/60; Sensitivity (dB): 88; Mounting Depth (in): 1.7; Cut Out Diameter (in): 3.67; Warranty (yrs): 1 Y.