Excalibur X600.4 - Auto Verstärker 4 Kanal - 4X 600 Watt Mosfet HiFi KFZ Endstufe mit Bass-Boost - 2400 Watt Maximum - 2 Ohm Variable Frequenzweiche. : Amazon.de: Elektronik & Foto
4 Kanal
JBL Harman Kardon Stage A6004 4-Channel Power Amplifier Car Radio Amplifier 4 x 60 Watt RMS 560 Watt Tip for 4 Car Speakers : Amazon.de: Electronics & Photo
Monsteraudio - Helix M FOUR 4-Kanal Verstärker Endstufe