10inchcustomized Producing Logo 4 Ohms Impedance Under Seat Car Subwoofers 600W Peak Power Auto Bass Tube Amplifier 35*25*7cm Auto Loudspeaker - China Under Seat Subwoofers, 10' Slim Subwoofer | Made-in-China.com
Set subwoofera v OEM ozvučnici a zosilňovače do Volkswagen Passat B6, B7 Variant č.2 | Ahifi.sk
JBL BassPro 8 - Trinásty
AUDIOBAHN FOR CAR 12 INCH 1500 Watt Bass Subwoofer Auto Bassbox POWER EXTREME | eBay