I have two RF T0D412's in a 3cu./ft. sealed box (1.5 per chamber) running on a Hifonics HFi1500D wired to 1ohm along with a Stinger SPV69 battery, and these subs BANG!!! I listen to dubstep, hip hop, and rock all of the time, and these subs can get extremely loud on any given song.
These subs are actually very accurate as far as what i heard. Double bass was very fast and punchy. I don't know what the other reviewer is talking about.
Anyways, Sometimes you can't even turn the bass up all of the way for very long on some songs because of the sound pressure. I am so so so pleased with these subs. Drive around with these playing full blast and you'll turn heads wherever you go!! I have this setup in a '98 mazda 626 LX.
You won't be disappointed by these subs. If this sealed box setup can push enough air to vibrate, shake, and rattle everything in and on your car, including your eyeballs, skin, clothes and hair, imagine what they can do in a ported box!!! You're ears will probably pop!!
Seriously though you'll get such a headache. It's so worth it though.
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