Brand new alpine subs sound extremely quiet. The amp is very small but was powering similar watts subs much louder at the same output level. I'm breaking them in but I feel
2 Alpine R2-W8D4 8" R Series 1,000 Watt Car Audio Subwoofer, 4 Ohm, Du – absoluteusa
Subwoofer fermé de voiture 12 "30 cm ALPINE SWT-12S4 son électronique colonnes 92dB subwoofers pour voitures acoustique auto pièces audio composants haut-parleur | AliExpress