Alpine upgraded their R-series 6×9 speakers for 2019, increasing the ability to really pound the sound. The R-series has always been known for it’s ability to produce tons of deep bass without distortion. The newest release of the R-series continues the legacy.
https://www.youtube.com/watch?v=Grecr0VNEZE
https://www.youtube.com/watch?v=Grecr0VNEZE
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