Alpine SPS-406 Type-S 4"x6" 2-way car speakers at Crutchfield
Alpine® 5.25" Coaxial 2-Way Car Speaker Set | Quality Auto Sound | Western United States
Alpine SXE-1350S - 5-1/4" (13cm) Car Component 2-Way Speaker 500W Total Power | eBay
Jensen CAR1000 10.1" Extra Large Touchscreen Media Receiver Music Lover's Bundle with Alpine Coaxial Speakers. Apple CarPlay, Android Auto, Bluetooth, A2DP Music Streaming, Phonebook Support - Walmart.com
Alpine iLX-507 7" CarPlay/Android Auto Hi-Res Receiver with 1 Pair Alpine S-S65C 6.5" Component and S-S69 6x9" Coax Speakers - Creative Audio