What is the RE SX sub

Chris Engarde Bronze Member Username: Cplaya280 Quakertown, PA USA Post Number: 19 Registered: Oct-05	Posted on Thursday, October 13, 2005 - 19:59 GMT what kinda sub is this i keep hearing about this from reading ppls comments who makes this alpine?? and how r these subs cuz i want sumthing that really really really pounds.
Comp98 Silver Member Username: Comp98 Philadelphia, PA USA Post Number: 106 Registered: Sep-05	Posted on Thursday, October 13, 2005 - 20:07 GMT reaudio.com