Cover the audio spectrum with this pair of Memphis Audio Power Reference two-way speakers. Multidirectional pivoting allows you to make adjustments to the PEI tweets during installation to ensure high-frequency sounds are directed towards your ears. Each of these Memphis Audio Power Reference two-way speakers features a polypropylene cone for powerful low-end sound.Geek Squad® Installation RecommendedVisit your local Best Buy store for more information. | Memphis Car Audio | | Power Reference 4" x 6" 2-Way Car Speakers (Pair | Black | Best Buy