Leaderboard

A square port creates better air flow. And do 20sq” of port area per cubic foot of the ported section if you are looking to get louder. And if you want better bandwidth, then do a smaller ratio like a 2:1 ratio. Tune it to 45hz. Port area and ratio can differ depending on build but tuning should always stay around 45hz. Tuning has nothing to do with bandwidth. Tuning is what it peaks at. The sealed section plays lower frequencies and the ported section plays higher frequencies. A larger ratio makes it louder but less bandwidth. A smaller ratio makes the enclosures bandwidth better but output is less. So more or less port area can help one or the other depending on other factors. Let me know what type of vehicle and subwoofers and amp.