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BTR5 suitable for iPhone users?
Yes it supports the AAC Bluetooth Codec so it will work well with your iPhone.
Thanks! Any review about BTR5?
You are welcome. No reviews that I've seen yet. Give it a week a so and there should be a few on here and YouTube.
Currently I using AAW accesport portable amp, if upgrade to BTR5 will be a huge improvement?
Thanks for your kind interest in the BTR5.
The BTR5 is a Bluetooth amp which support AAC/SBC/aptX/aptX LL/aptX HD/LDAC Bluetooth codec. It also support 2.5mm balanced and 3.5mm standard output.
And due to individual preferences, you could read the professional reviews and comparisons, as well as try out by yourself.