Full-Range 4-1/2" Speaker Pioneer Type A11EC80-02F 8 Ohm
Amazon.com: Pioneer 4" Speakers - 4-Inch, 150 Watt, Dual Cone 2-Way Speakers, Set of 2, Model: TS-F1034R
Pioneer TS-D1002R D Series 4 Inch 2 Way 110 Watt Speakers
Pioneer TS-500M 5-1/4" - 4-way 300 W Max Power | 11mm Tweeter and 11mm Super Tweeter and 1-5/8" Cone Midrange | Coaxial Speakers | (Sold in Pairs) - Walmart.com
Pioneer 5 1/4" 2-way Coaxial Speakers (Pair) Black TS-G520 - Best Buy
Pioneer TS-A1072R A Series 4 Inch 3 Way 150 Watt Speakers