2003 Impala Upgrade Help - Factory Amp Questions

[ImpalaBlues]

Looking to replace my factory headunit in my 2003 Impala LS (cd and tape quit working). Long story short, I'm looking at a JVC unit, and Crutchfield has 50% off JVC speakers so I'm looking at 6x9's for the rear, and 6.5 components for the front. Here's where I run into trouble (my questions).

I like the way my factory stereo sounds. Good enough bass, decent everything else. I'm worried that "upgrading" my speakers will kill all of that. I THOUGHT I could wire the new speakers up the same way as the factory speakers (the fronts are components ran by the amp and have separate hi/lo wiring). But what I read says to bypass the factory amp and just use the headunit's power. The problem is, I did that in my truck and it totally killed my bass (to the point where I bought two 10's). The Impala just isn't worthy of that much money.

So... can I run this stuff off the factory amp or should I bypass and pray it works? Or skip the speakers altogether...

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[Papermaker85 5,000+ posts]

it depends on the amps frequency response

running speakers off the cd player is a bad idea.

 

[BOOMINGRANDPA 5,000+ posts]

Looking to replace my factory headunit in my 2003 Impala LS (cd and tape quit working). Long story short, I'm looking at a JVC unit, and Crutchfield has 50% off JVC speakers so I'm looking at 6x9's for the rear, and 6.5 components for the front. Here's where I run into trouble (my questions).
I like the way my factory stereo sounds. Good enough bass, decent everything else. I'm worried that "upgrading" my speakers will kill all of that. I THOUGHT I could wire the new speakers up the same way as the factory speakers (the fronts are components ran by the amp and have separate hi/lo wiring). But what I read says to bypass the factory amp and just use the headunit's power. The problem is, I did that in my truck and it totally killed my bass (to the point where I bought two 10's). The Impala just isn't worthy of that much money.

So... can I run this stuff off the factory amp or should I bypass and pray it works? Or skip the speakers altogether...

1st stop looking at jvc.. i run my speakers off my kenwood and it's fine but i have sub for bass.. factory speakers are full range after market not the same, normally don't get as good midbass outta them.. get kenwood 301 hu like mine about $119 (it's has tons of audio settings like u wouldn't believe) bt usball that and 22x4rms also has 3 4v preamps out puts so later u can get small mono amp and and small sub to make up for bass u loose and your speakers won't distort because the 301hu has highpass xover for them..