any other subs which have best of both worlds ,bass and sound quality ??
Infinity reference
Pros The sensitivity rating is very efficient at 96dB.
Cons
The continuous power handling is only 300 watts.
The Verdict
: 9.2/10
Adding a car subwoofer from the Infinity Reference series is one of the best ways you can improve your car audio experience. The audio is excellent, and the highly efficient woofer allows you to kick the beat with much less power.
Pioneer
Pros
The lowest frequency response is 20Hz and the sensitivity rating is 96dB.
Cons
The ideal sealed box enclosure is bigger than most sealed enclosures at 1.25 cubic feet.
The Verdict
: 9.5/10
If you're looking for a solid subwoofer to fill out your car audio, the Pioneer Champion series of subwoofers is the best car subwoofer we reviewed. It combines excellent bass with high efficiency.
Pros
The sensitivity rating is 93dB. The power-handling ratings are among the highest in our lineup.
Cons
The continuous power handling is only 350 watts. The website lacks a user forum.
The Verdict
: 9/10
The JBL GTO car subwoofers are highly efficient, can handle a lot of power and provide very accurate low-end bass to fill in the soundtrack of your commute.
still confused ,my heart says Pioneer D4 , and brain says either JBL or Infinity ,lets see ,Thanks