The tubes/triangles/ blah blah = BS
200 to 300 dollars you get something that is simple to install yourself....
it hits like a 3 year old.
There are 3 reasons to by the self amplified bonzo tubes.
1. Cheaper over all than a quality set up
2. Space. ( but 98% of the time you can build something that will hit harder and sound better in that space.
3. Laziness on the install part. cause it saves you the 5 min to hook up the speakers and the 2 hrs of building the box.
So if you looking SQ and SPL stay away from the tubes but if you want something fast, cheap and dont want to have to spend time on it then go for it. It wont sound to bad in a small truck
dont put them in cars or suv's or vans though it will sound like a sub under water.....