Exceptional value
The 4SC works great. I installed it in my 07 Mazdaspeed 6 using the line level inputs, and hooded it up to the factory Bose speakers (2 ohm). It made a huge difference over factory, well worth the $80 it cost me. Setting up the phantom center channel was easy too, and works pretty well. Would be nice to see a high pass filter on it, but for the price I can't really complain.
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.