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Reviewed in the United States on May 4, 2024
If you have a BMW E60, in my case a 2009 535 sport that came with the CCC head unit, and upgraded to a CIC head unit you will find that two things happen. One, the sub's don't work anymore and the other speakers have flat sound. This is because BMW re-purposed the sub woofer line outs to ethernet! Also, the CIC head unit is really meant to work with a trunk mounted amp that communicates over the MOST fiber optic bus. If you car came without logic 7, then no MOST bus amp. The solution is to run the line balanced speaker outputs of the CIC head unit back to the trunk, install at least a 6 channel amp, run the amp speaker outs to the speakers. The OPTIM8 amp is perfect for this. The app you run on your laptop to setup the connections is a little undocumented, but Alpine has a video associated with this amp on it's website. Still will need a playing around with the app to get things right but it works well. Next you use your iphone and another Alpine app to auto-tune the car. This also works well. The result is very good using the stock speakers. In my case 2 in the front, 2 in the rear deck and an 8" sub under each front seat. And the amp is made in Japan, not China.
Milco
Reviewed in the United States on March 1, 2024
El control remoto se enciente pero no su pantalla. El proveedor no puede reemplazar únicamente el control remoto. Tampoco existe para comprarlo de forma separada.La ecualización es compleja de realizar y de modificar posteriormente. La ecualización automática no se puede modificar a menos que se use el mismo equipo que se usó para la ecualización original.
SceroLoucious
Reviewed in the United States on December 24, 2024
I literally never even had the chance to test out the amplifier, or what it could do sound wise… The proprietary software for controlling the DSP side of it, is on hiatus, and Alpine kept promising that it would release, and it never did… I feel like Alpine shot themselves in the foot with this one, advertising a huge function of the amplifier, and not being able to actually use it.
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