Infinity PRV250 AM/FM Bluetooth Multimedia Receiver Bluetooth audio streaming 50 x 4 Watts Solid Aluminum chassis Aux-in Portable media ready USB port IP66 waterproof face Somes with flush face mounting kit charging via USb RF remote/wired remote ready 6″ x 4″ 2 1/2″ INF-612M 225 watts handling power Frequency response: 50-20,000 Hz Sensitivity: 92dB Polypropylene woofer cone Rubber surrounds Integrated grille assembly UV- and water-resistant construction Mounting depth: 2-5/8″” Installation size: 5-1/16″”