SP AUDIO SP15X. SOME TEST OF SP15X AND SP15X SUPER MAGNET WITH ONLY 800 WATT RMS. - YouTube
SP AUDIO SP8MM Mid-Range Speaker 20.00 cm 200 mm 8 Inch Diameter 250 Watt RMS 500 Watt Max 4 Ohm Sensitivity 98.2 dB Pack of 1: Amazon.de: Electronics & Photo
5 Core 6 Inch Car Audio Speaker Midrange / 60 Watt High Power Speaker - Default Title - 5 Core | Car audio, Car audio subwoofers, Speaker