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Cool, I do have the VXi remote, and it's right by my power source switch so it'd be an easy thing to do.

Will there be any difference in audio quality going with the digital output vs the RCA for the Bluetooth receiver? Does the VX800/8i have a built in DAC essentially, so does it not matter?

I want to go with Bluetooth 5.0 so I can get long range and have my phone outside the van when music is playing (my rear speakers are mounted on the doors, so they can play outside music when the doors are open while camping). Otherwise the MBT-RX would be appealing for 12V power wiring. As it is with the other ones, I'd need to use a voltage regulator to 5v DC, or use the AC adapter to one of my outlets.
In my humble opinion, I don't think you'll notice a difference in using the MBT-RX (analog out) versus another BT receiver with a digital out, partially because the RCA run would be short (I.e. low likelihood for interference). You'd basically be betting on whether the MBT-RX or VXi has a better DAC. But, if you already have the VXi remote installed, then it would probably be easier to use some BT receiver that has a digital out, just so you're not introducing another remote/switch into your system unnecessarily (and adding unnecessary expense). I'm sure you can find another 12v BT receiver with a digital out. I haven't actually looked, but I'm just guessing it exists.
 

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For these JL Audio amps, if the car battery is disconnected then are the settings from the Tun software for the VXi amplifiers saved? Or, do they get reset?
 

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Its saved to whatever tune you last loaded in the DSP. It will still be there.
 

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This may be a silly question - does the VX800/8in have a built in DAC? I.e. if I have a bluetooth receiver with optical out, and plug that in to the VXi optical input - the amp must have it's own internal DAC to convert that to analog, right?

Or would I get better audio quality using a Bluetooth receiver with a built in DAC (i.e. iFi Zen Blue v2) going to RCA inputs?
 

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This may be a silly question - does the VX800/8in have a built in DAC? I.e. if I have a bluetooth receiver with optical out, and plug that in to the VXi optical input - the amp must have it's own internal DAC to convert that to analog, right?

Or would I get better audio quality using a Bluetooth receiver with a built in DAC (i.e. iFi Zen Blue v2) going to RCA inputs?
Hard to say whether the VXi's DAC versus some other DAC would be better, but the VXi (or any other DSP with an optical in and analog out [whether via RCA or amplified speaker-level outs]) has a built in DAC
 

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If you're streaming from your phone via Bluetooth, then Bluetooth will be your limiting factor as far as quality is concerned.
 

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Vxi are solid and any issues are usually related to user error, but the software has been greatly improved over time, and now with Tun 4, i think it's gonna be hard to beat these amps. looking forward to using 2 in my next system. plus JL customer service and tech support is second to none. you can get one and feel like you made a great choice all around.
 

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Also. Do these VXI amps need cooling fans if there enclosed Will have 3 of them in one enclosure rack
 
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