Free Air Subwoofers Defined - Common Misconceptions, Uses & Tips
B-Ware Kicker KMF104 Freeair Subwoofer 25 CM 10 " Free Air Woofer 350 Watt | eBay
I have these 2 kicker free air subs. I was under the impression that these are meant to be run without a box but after hearing I don't think that is the