Need help on deciding on Amp and Box for these subs


New member
Username: Madgame112

Grand Rapids, Michigan Usa

Post Number: 2
Registered: May-06
MY lil brother just bought these subs:4 HIFONICS GOLIATH XX3215 15" 6400w SUBWOOFER.

And he needs to know if they will fix in the trunk of his 92 oldsmobile cutlass supreme. And if so what is a great amp that is compatible with these subs. And also what is a good box to buy ported, sealed, or bandpass. Thanks in advance for the help.

here are the specs: * 15" Goliath series subwoofer
* 6,400 watts peak output
* 3,200 watts RMS output
* Integrated One-Piece Spider- Tinsel Lead Design
* Chrome Cast-Aluminum Speaker Frame
* 1.4" Extra-Wide Polyester Surround
* 360y Vented Voice-Coil Assembly
* Back-Plate Bumped for Long Excursions
* Nickel Plated Push & Insert Terminals
* Metal Dust Caps Prevent Hi-SPL Cave-In
* Dual-Layer Conex Spider- Assembly
* Fs = 39.63Hz
* Qts = 0.37
* Vas = 17 Liters
* Xmax = 25mm
* SPL = 98.29 dB @ 2.83v
* Quad 2-Ohm Voice-Coils
* Can be run @ 1/2-Ohm, 1-Ohm, 2-Ohm, 4-Ohm, or 8-Ohm
* 18-3/4lb./300oz. Triple-Stack Magnet Assembly
* 4-inch Bi-Flair Black Aluminum Voice-Coils
* High-Strength Composite Silver & Fiber Glass Cone


Silver Member
Username: Johammbass

Cork, Cork Ireland

Post Number: 217
Registered: May-06
FS 39.63hz and that's on a 15" driver, total crap:-)
Do you have a tank to put them in?
Do you have a little nuclear power plant installed in your car, because you will need some serious alternator(s)? Over 12000W RMS, is everything OK with you people? That Cutlass will blow up:-)

You could get a couple of these ampd right here if you got that much money to spend on it:

This amp can kill you, no kidding.
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