'11 Legacy needs MORE BASS!!! Help PLEASE

I appreciate awesome sound but don't feel one needs to fork over thousands of dollars at the dealership to get it. I don't know if I could classify myself as an audiophile because I lack the knowledge of the technical data, however I would appreciate any insight into making my stereo rock with more bass.

 

I own a 2011 Legacy 2.5i (premium) with 6 speakers and a month after I got it, I swapped out the in-dash CD for a in dash Navigation for the JVC KW-NT50HDT ($850 installed).

 

I have been reading up on some of the UNDER THE SEAT powered SUBWOOFER, which was offered to me at option of purchase. $750 seemed borderline ridiculous much like the $3000 I neglected to spend at the dealer to get a touch screen Navigation.

 

I haven't changed any of the stock speakers. I feel that they are decent but miss the feel of some good bass. I do not wish to give up my trunk space and don't wish my neighbors to hear my bass pumping 3 blocks away. That to me is overkill. I want to crank the tunes in my ride and feel some great bass!

 

Any Suggestions for some UNDER THE SEAT POWERED SUBS???

 

Can anyone share some of their suggestions????

 

Things that I have read that appeal to me are the:

KICKER - Hideaway 8" Subwoofer with Enclosure and Integrated 150W Amplifier ($300)

 

and the

 

 

Kenwood KSC-SW10 ($250)

 

 

The Stats of my JVC Navigation stereo are:

 

Amplifier KW-NT50HDT

Maximum Power Output 50W x 4

Continuous Power Output (RMS) 20 + 20W RMS x 4ch at 4 ohms and no more than 1% THD

MOS-FET Amplifier Yes

Audio DAC 192kHz/24bit

Advanced Multi-bit DAC Yes

EQ

7-Band iEQ Yes

Source-Specific Volume Control Yes

Balance/Fader Control Yes

Max. Amp Gain Switcher Yes

AV Input Terminals (Video + L/R) Yes

Camera Input (Video Input) Yes

Amp Defeat Switch Yes

Video Input 1.0Vp-p/75 ohms

Audio Input 1.5V20 kohms

Line Output Terminals (pair) 3 Pairs (Front + Rear + Subwoofer)

Subwoofer Output with Level/Frequency Control Yes

Pre-output Level/Impedance 2.5V/20 kohms Load (CD full scale)

Line Output Level 2.5V

Compositive Video Output Yes

Frequency Response 40 - 20,000Hz

Load Impedance 4 ohms (4 - 8 ohms)

Subwoofer Output Level 2.5V

Video Output Level/Impedance 1.0Vp-p/75 ohms

http://i1061.photobucket.com/albums/t462/Coppertone2/IMG_20120421_151924.jpg

http://i1061.photobucket.com/albums/t462/Coppertone2/IMG_20120421_152010.jpg

http://i1061.photobucket.com/albums/t462/Coppertone2/IMG_20120421_152022.jpg

Fits into the passenger rear side of your trunk with NO loss of trunk space. Here it is mounted in my car.

http://i1061.photobucket.com/albums/t462/Coppertone2/photo-7.jpg

That beats the daylights out of anything that could fit under a seat.

The best part is that it is for sale in the 2010+ classifieds. So no muss no fuss, two screws and two wires and you are dunn lol.