American Bass GF-6.5CC 400W Max 4-ohm 6.5" Midrange Speakers
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Amazon.com: PRV AUDIO 8 Inch Midrange Speaker 8MR600X-4, 600 Watts 4 Ohm, 2 in Voice Coil, X-treme Mid Range Loudspeaker for Pro Car Audio Systems (Single) : Electronics
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2X) GROUND ZERO GZCM 8.0NEO 8″ (200 MM) HIGH POWER MIDRANGE SPEAKERS 420 WATTS | eBay