Amazon.com: Pyramid Car Mid Bass Speaker System - Pro 6.5 Inch 200 Watt 4 Ohm Vehicle Mid-Bass Component Poly Woofer Audio Sound Speakers w/ 30 Oz Magnet Structure, 2.5” Mount Depth Fits OEM - Pyramid W64
6.5 Inch Mid Bass Woofer Sound Speaker System - Pro Loud Range Audio 300 Watt Peak Power w/ 4 Ohm Impedance and 60-20KHz Frequency Response for Car Component Stereo PLG64 - Newegg.com