its a little over kill for some people, i had it will about 5000wats hooked up to it and was great. it is just over a year old $250

You've got a heavy-duty car audio system with multiple amps, but the headlights dim every time the bass hits. Tsunami's amp-style hybrid capacitors ensure that your system gets a steady supply of power for maximum performance, and act as a stabilizer between the amps and your car's electrical system.

Tsunami's COMPETITION Series hybrid capacitor stores a veritable torrent of power, and delivers it to your amps whenever they need it. The satin-chrome housing and chrome covers will look spectacular in your ride, and the pair of blue LCD readouts show you exactly how much voltage is coursing through your system. One 1/0-gauge and three 4/8-gauge terminals handle your wiring needs.

http://www.crutchfield.com/App/Product/Item/Photos/Default.aspx?i=120X15H40&tp=2614

Details:
dual blue LCD meters
40 FARAD HYBRID CAPACITOR
(1) 1/0 GAUGE POS/NEG, (3) 4 OR 8 GAUGE POS/NEG
16 VOLT OPERATION
DUAL AMP/DCV BLUE LCD METER
SATIN CHROME-PLATED NEGATIVE & POSITIVE POWER BLOCK
SATIN CHROME-PLATED CASE
CHROME-PLATED FRONT AND REAR COVERS
USE WITH TSUNAMI PREMIUM CABLE & FUSES FOR BEST RESULTS
Read world ratings - Other brands inflate the ratings and write 1.2 farad when its 1/2 of that. Tsunami only uses real world tested ratings so you can feel confident using this with up to 40,000 watts!

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