Amazon.com: PRV AUDIO 6x9 Inch Midrange Speaker 69MR500-PhP-4 500 Watts Program Power, 4 Ohm, 1.5 in Voice Coil, 250 Watts RMS Pro Car Audio Loudspeaker (Single) : Electronics
JBL Stadium 22S Stadium Series 2" midrange car speakers — for use with Stadium Series component speakers at Crutchfield
Amazon.com: PRV AUDIO 8 Inch Midrange Speaker 8MR600X-4, 600 Watts Continuous Program Power, 4 Ohm, 2 in Dual Layer Voice Coil, 300 Watts RMS Power, X-treme Mid Range Loudspeaker for Pro Car