![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 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](https://preview.redd.it/i-have-these-2-kicker-free-air-subs-i-was-under-the-v0-41eb6nn5057a1.jpg?width=3000&format=pjpg&auto=webp&s=c57369503b5bb8d20d5e02b769e79d90947a2f54)
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
![NEW PIONEER TS-W311 12" INCH 30cm 4Ω SINGLE VOICE COIL FREE AIR SUB SUBWOOFER EUR 80,04 - PicClick FR NEW PIONEER TS-W311 12" INCH 30cm 4Ω SINGLE VOICE COIL FREE AIR SUB SUBWOOFER EUR 80,04 - PicClick FR](https://www.picclickimg.com/k3AAAOSwxYxUy6b6/NEW-PIONEER-TS-W311-12-INCH-30cm-4-SINGLE.webp)
NEW PIONEER TS-W311 12" INCH 30cm 4Ω SINGLE VOICE COIL FREE AIR SUB SUBWOOFER EUR 80,04 - PicClick FR
![Amazon.com: KICKER 45KMF104 10" Free Air Marine Subwoofer Sub KMF10+Charcoal Grille w/LED's : Electronics Amazon.com: KICKER 45KMF104 10" Free Air Marine Subwoofer Sub KMF10+Charcoal Grille w/LED's : Electronics](https://m.media-amazon.com/images/I/71hyj9iI6BL.jpg)