Filter Filters $50-$100 4" Remove All Filters Condition New (2) Brand Alpine (1) Memphis Audio (1) Speaker Type 2-way (1) Alpine S2-S40 Car Audio S-Series 45W RMS 2-Way 4 Inch Coaxial Speakers $76.45 Memphis Audio PRX4 4" Coaxial Power Reference Series Speakers 40W $84.95