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
Alpine Type S SWS-12D4 12 Inch 1500 Watt Max 4 Ohm Round Car Audio Subwoofer - Walmart.com
Universal Fit Alpine S-W12D2 Type S Triple 12" Subwoofer Loaded Sub Box New 793276242150 | eBay
Alpine Type R 12 Inch 2250 Watt Max 4 Ohm Round Car Audio Subwoofer | R-W12D4 - Walmart.com