2 x Speakers Compatible with Alpine SPG-10C2 SPG 10C2 Coaxial 2 Channel 10 cm 100 mm 4 Inch 45 Watt rms 180 Watt Max 4 ohm 87 DB Car Pair : Amazon.com.be: Electronics
Amazon.com: Alpine S-S40 Car Audio Type S Series 4" 180 Watt Speakers - 2 Pair with 20' Wire Package : Electronics