SP AUDIO SP6MM Mid-Range Speaker 16.50 cm 165 mm 6.5 Inch Diameter 200 Watt RMS 400 Watt Max 4 Ohm Sensitivity 98.1 dB Pack of 1: Amazon.de: Electronics & Photo
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SP AUDIO - SP-Slim Midranges Available in 6.5" and 8"... | Facebook
SP AUDIO SP8MM Mid-Low Speaker 20 cm 200 mm 8 Inch Diameter 250 Watts rms 500 Watt Max 4 Ohms 98.2 dB Sensitivity for Car, 1 Piece : Amazon.com.be: Electronics