4pcs 5 Inch 13cm Car Component Speaker System 150W Vehicle Door Auto Audio Stereo Speakers Set HiFi with Tweeter Crossover|Coaxial speakers| - AliExpress
Alpine SPG-13C2 13cm 5.25" 2-way Coaxial Car Speaker System 200W Front Rear Door 70454444 | eBay
Alpine 5-1/4" (13cm) Coaxial 2-Way Speakers | AutoPower UK