I just bought a IA DR 21" from Rio on here. Let me first say that he is one of the coolest guys I've talked to. He also was excellent with keeping me up to date on my sub and he called me everyday and answered every question I had. I am extremely happy with my purchase. A++
Here are some pics of the beauty:
I wear black air forces
Here's a pic of my buddy next to it
A few inches of mounting depth
That's a regular G2 bottle
I plan to business with SBC in the future. Hit Rio up!