They Roll or punch??

[sn03]

Please help guys..

following are the three subwoofers in my mind-

• Pioneer TS-W304R
  
• Pioneer TS-W306R
  
• Pioneer TS-WX305B
  

Now, the following are my questions-

1. Which sub among these have the maximum deep, rolling bass? (if it is one of the non pre-enclosed sub, please mention enclosure type))
   
2. Which sub has the most "punch"? (if it is one of the non pre-enclosed sub, please mention enclosure type)
   
3. Which sub gives the best of both worlds? (i.e. has both good punch and deep rolling bass) (if it is one of the non pre-enclosed sub, please mention enclosure type)
   

Also, someone told me that a sub in vented box gets over-driven in frequencies below the lowest resonant freq. Why does that happen??

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