Question 1

Can this be used as a normal non Bluetooth dac&amp when plugged in directly to the pc with 0 latency?

Accepted Answer

Yes the BTR5 can be used this way. In fact this is how I use it and it works very well with near zero latency. The one issue I have found is that the usb cable that comes with the BTR5 is flimsy and loose so you may want to get a better and more robust usb cable so that you don't lose your connection to the pc. This is particularly annoying if you are using something like Protools with Headphones...once the USB connection is lost you have to restart your session to re-establish the link to the BTR5....other that that with most other applications you may not notice the connection drop/reconnect.
Hope this helps

Question 2

Can this drive 250-ohm headphones?

Accepted Answer

I found it to drive mt 300ohm MD Senn 6XX's exceedingly well. I use the 2.5mm balanced output. Phenomenal lil unit! A+ to FiiO...

Question 3

can it be connected directly to iPhone through a type c to lightning adapter, to avoid AAC bitrate while listening to flac files on foobar or tidal?

Accepted Answer

To use this dubious, poorly executed piece of equipment on an iPad or iPhone, you have to purchase the $40 dollar apple “powered USB3 camera adapter “, which will make anything and everything work on your iPad or iPhone, don’t let the name “camera adapter “ fool you. You can get a power hungry hard drive or an unpowered external DAC /headphone amp to work fine with said adapter. I’d avoid this one and go with the Fosi Audio K4, because it has a very buttery sounding TI Burr-Brown pcm-5100 in it. It’s not exactly portable, but it sounds awesome!, and it only costs $60 bucks! That’s an impulse buy. If you want something lighter, get the Hip-Dac. It also has a Burr-Brown in it.

Question 4

Can I plug in a set of phones to the device and walk around connected it to a source wirelessly?

Accepted Answer

No, absolutely not. There is a severe defect in the Bluetooth receiver that makes it cut out from just 4 feet away. This is a known issue that has existed for some time.

ASIN	B09G9XDCWB
Additional Features	Noise Cancellation
Age Range Description	Adult
Best Sellers Rank	#176,137 in Electronics ( See Top 100 in Electronics ) #278 in Headphone Amps
Brand	FiiO
Cable Features	Without Cable
Color	Black
Compatible Devices	Bluetooth Devices and Apple Devices with Lightning Connector
Connectivity Technology	Wireless
Control Method	App
Control Type	Media Control
Controller Type	Android
Customer Reviews	4.5 4.5 out of 5 stars (192)
Enclosure Material	Leather
Headphone Folding Features	In Ear
Headphone Jack	USB
Item Weight	44 Grams
Manufacturer	FiiO
Model Name	BTR5-2021
Model Number	BTR5 iPhone
Noise Control	None
Specific Uses For Product	Personal
Style Name	Modern
Wireless Technology	Bluetooth

FiiO BTR5-2021 Receiver Bluetooth5.0 Headphone Amp Hi-Res 384K/32Bit Native DSD256 USB DAC Supports LDAC/aptX HD CVC 8.0 for Phone/PC/Car/Home Audio(Comes with Type-C to Lightning Cable)

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