2 JBL Club 4020 Speakers By 4 " Diameter 90 DB Spl Impedance Rated 3 Ohm | eBay
2 coaxial speakers compatible with JBL CLUB 4020 10 cm 100 mm 4" diameter 30 watt rms and 90 watt max impedance 3 ohm sensitivity 90 db per car, per pair : Amazon.co.uk: Electronics & Photo
2 JBL Club 4020 Speakers Coaxial Mens 100 MM Mens 90 Watt Max Counters Car | eBay