Best amp for upgrade? - Chrysler 300C Forum: 300C & SRT8 Forums
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post #1 of 14 (permalink) Old 12-27-2012, 08:36 AM Thread Starter
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Best amp for upgrade?

BA 8 platform....Infiniti sub and speakers in as up grade. Stock nav head unit..., which I am keeping...so, what's the best amp that I can run with this to get some power?


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post #2 of 14 (permalink) Old 12-27-2012, 10:40 AM
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What are the watts RMS and ohm specs on those speakers?

Michael
2006 300C SRT8
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post #3 of 14 (permalink) Old 12-27-2012, 11:02 AM Thread Starter
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3.5:

3 -1/2" Kappa Series Car Speakers
Power Handling:
Peak: 210 watts per pair / 105 watts each
RMS: 70 watts per pair / 35 watts each
Woven glass fiber cone woofer
Rubber surround
1" Edge-driven MMD (Metal Matrix Diaphragm) dome tweeter
Computer optimized voice-matched passive crossovers with audiophile-grade air core inductors and polypropylene capacitors
Adjustable tweeter level (-3 dB, 0, +3 dB)
2 ohms impedance

6x9:
6 x 9" , 3-Way Speakers (pair)
Power range: 2-110 watts RMS (330 watts peak power)
Plus One woven-glass-fiber woofer cone with hi-roll rubber surround
1" edge-driven M.M.D. dome tweeter
Edge-driven ultra-high frequency (UHF) super-tweeter
Computer-optimized outboard crossover with tweeter level control
2-ohm impedance for extra power (compatible with all factory or aftermarket car stereos)
Sensitivity: 96dB
Frequency Response: 35Hz-30kHz
Top Mount Depth: 3-1/4"
Grilles included

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post #4 of 14 (permalink) Old 12-27-2012, 02:00 PM
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Now that you have the specs, I say go shopping for an amp with this spec:

4 channel, around 75 watts RMS @ 2 ohms / channel. Higher wattage is not necessarily better but make sure you get a 2 ohm rated amp.

Ones to consider:

JL XD400/4

Kenwood Excelon X450-4 (matches up well with both the front and rear power requirements of your speakers)

Kicker ZX350-4

Alpine PDX-F4

Alpine MRP-F300

Audison SR-4

and bunches more...I just listed the ones I have experience with. Currently running an Audison in the SRT and a JL in the truck.
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post #5 of 14 (permalink) Old 12-27-2012, 03:00 PM Thread Starter
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Thanks md...
I like that Kenwood...am I gunna need any wiring harnesses or adapters? This probably needs mounted in the trunk, eh? This looks a bit more complicated than swapping out speaker....


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post #6 of 14 (permalink) Old 12-27-2012, 04:04 PM
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Since the upgrade is to replace a stock amp with an aftermarket unit, will need to slice into the vehicles loom, from the factory end terminals where it plugs to the stock amp located under the dash. The colour coding is necessary to know which wire is what. Not sure if you will consider oxygen free wire, will involve a fair amount of work though, i.e. running new wires to speakers and new power cables. Oxygen free wire will lower resistance and will improve efficiency

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post #7 of 14 (permalink) Old 12-27-2012, 04:23 PM
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Wiring in the amp won't be too hard. An LOC will be a lot of help. A line out converter, or L.O.C., is a device that turns the speaker-level audio signal in a car audio system into a line-level signal that one can connect to an amplifier. This is necessary when one is adding an amplifier to a factory head unit, since factory head units do not have RCA outputs to get signals from. Typically, L.O.C.s come in two and four channel versions for a variety of installation options, and may be easily removed to return the vehicle to stock.

Here is a good link on wiring up amps from the power end to the speaker end.

Wiring A Car Amplifier
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post #8 of 14 (permalink) Old 12-27-2012, 04:31 PM Thread Starter
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That is a great how to...thanks for that. Once I get the amp, I will post an update!


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post #9 of 14 (permalink) Old 12-27-2012, 04:56 PM
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Good luck with the upgrade!
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post #10 of 14 (permalink) Old 12-28-2012, 10:09 PM Thread Starter
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This looking right md:
Package Includes:

(1) Kenwood eXcelon X450-4 450 Watt Car Audio Amplifier
(1) Cadence WK42 Complete 4 Gauge 4 Channel Wire Kit
Description Of X4504 :

Kenwood eXcelon X450-4 450 Watt Bridgeable 4-Channel Car Audio Amplifier X4504 X series Offset Power Amplifier with 150W x2 + 75W x2 RMS Power at 2ohms

Features:

4-channel car amplifier
Amp A: 60 watts RMS x 2 at 4 ohms (75 watts RMS x 2 at 2 ohms)
Amp B: 100 watts RMS x 2 at 4 ohms (150 watts RMS x 2 at 2 ohms)
Amp B bridged: 300 watts RMS x 1 at 4 ohms (4-ohm stable bridged)
variable high-pass filters (50-200 Hz, 12 dB/octave)
variable low-pass filter on B channels (50-200 Hz, 24 dB/octave)
variable bass boost on B channels (0-18 dB at 40 Hz)
preamp inputs
fuse rating: 40A x 2
4-gauge power and ground leads recommended wiring and hardware not included with amplifier
12-3/4"W x 2-3/16"H x 7-3/8"D


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