RetroSound® Premium Stereo Dash Speakers offer exceptional audio reproduction for the absolute best audio quality possible from a single speaker location. Designed for optimal performance in any classic vehicle, these dual voice coil speakers produce a stereo mix from a single speaker location. For a super slim mounting depth, a Neodymium magnet structure is used with a dip-cut design to prevent distortion. The Santoprene® surrounds provide the most accurate audio reproduction possible, and the silk tweeters produce smooth and more natural-sounding highs. 5 x 7-inch dash speaker Dual voice coils produce a stereo mix from a single speaker Neodymium magnet structure for ultra-thin design Santoprene® surrounds for accurate audio reproduction Silk tweeters produce smooth and natural highs Dip-cut magnet for enhanced sound TrueRating™ power handling: 60 watts RMS/100 watts max power Mounting depth just 1.98-inches (50.5mm) 8ohm wiring kit included Universal Speaker Bracket (RS-UB1KT) included MODEL R-57N Nominal Diameter (inch) 5x7 Description Dual Voice Coil Nominal Impedance 4+4ohm Frequency Response (SPL@1w/1m) 65Hz-21kHz Sensitivity 87dB Power Handling (watts RMS/peak) 60/100 Speaker Grill NO Mounting Depth (inch) 1.98 Mounting Depth (mm) 50.5