Filter Filters 4" New Remove All Filters Price Under $50 (3) $50-$100 (5) $100-$500 (1) Brand Harmony Audio (4) Alpine (2) Kicker (2) Memphis Audio (1) Voice Coils 4 Ohm (2) Sensitivity 88dB (1) 89dB (1) Speaker Type 2-Way (1) 2-way (2) Receiver Size Yes (1) Harmony Audio HA-C4 Car Stereo Carbon Series 4" Replacement 170W Speakers Pair $49.95 Harmony Audio HA-R4 Car Stereo Rhythm Series 4" Replacement 150W Speakers &... $32.95 Kicker 43DSC404 4" DS Series 25W RMS 4 Ohm Coaxial Car Audio Speakers DSC4 $59.99 Alpine S2-S40C Car Audio Type-S Series 45W RMS 2-Way 4 Inch Component Speaker... $110.45 Harmony Audio HA-R4 Car Stereo Rhythm Series 4" Replacement 150W Speakers &... $35.99 Alpine S2-S40 Car Audio S-Series 45W RMS 2-Way 4 Inch Coaxial Speakers $76.45 Harmony Audio HA-C4 Car Stereo Carbon Series 4" Replacement 170W Speakers... $53.99 Kicker 43DSC404 4" DS Series 25W RMS 4 Ohm Coaxial Car Audio Speakers DSC4... $59.99 Memphis Audio PRX4 4" Coaxial Power Reference Series Speakers 40W $84.95