Haha, a 'best' question. Cadance, Alpine, JL, and I guess kicker are the shizzel in Oz, dont have a huge range of random brands like you guys do. Its all pretty much the big brand names only.
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Ride together, Die together.
-Tears shed in training saves blood shed in the battlefield-
For a single sub, nothing flashy, on a budget, fosgate will get you by, or a kicker amp, JL or Percision Power if you wanna spend a little more. Alpine amps are also good, but I would prolly roll with a monoblock amp, more power for your buck if ya ask me.
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American cars
Thanks to Windcalmer for the sig!