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Qudelix-5K Bluetooth USB DAC/Amp
$95
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Qudelix-5K Bluetooth USB DAC/Amp
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$95
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keyboard_arrow_downChrixxer23
12
Aug 23, 2023
Which is the better unit to drive HiFiMan planar magnetic cans, this or the BTR5-2021?
blorg
35
Aug 25, 2023
They use the exact same DAC/amp chips and are entirely identical in terms of sound quality and output power. The Qudelix has slightly higher max voltage output than the BTR5 for high impedance cans (this is presumably just a software limit on the latter as they are literally the same chips) but they have the same power into the lower impedances of Hifiman planars and will be exactly the same.
The Qudelix is smaller, lighter, integrated clip and has a much better app and PEQ support. BTR5 has the screen showing volume and input which is nice, and better buttons. Q5K has much better battery management, BTR5 is always charging while Q5K can actually run off USB power. So BTR5 if you use it plugged in a lot the battery will degrade after a year or so while Q5K is fine. I have both around 2 years, and this was my experience.
Qudelix IMO is the much better all round device.
"HiFiMan planar magnetic cans" isn't very descriptive as Hifiman make some of the easiest to drive headphones (OG Ananda- 103dB/mW) and some of the hardest (HE6SEV2- 83dB/mW). MOST Hifimans can be driven satisfactorily from either Q5K or BTR5 using a balanced cable though, I have tried HE1000 Stealth, Arya Stealth, OG Ananda, Sundara, Edition XS, HE400SE. Edition XS and HE400SE are the most marginal but still OK. All the others I think absolutely fine. I have even tried the HE6SEV2 and it actually makes noise but wouldn't be a rec.
Chrixxer23
12
Aug 23, 2023
Internal battery, or you can run it as a USB DAC/Amp where it pulls from the phone's power.
SuperFlyEDSguy
58
Aug 23, 2023
FrogmeatThey’re soooooo close! The internals aren’t half bad for the price, but “scratch resistant plastic” will just make this look like a cheap kids toy that clips onto your belt. Even cheap DACs & Amps on Amazon regularly sport an aluminum case, so why spoil it with that?!
They’re also not using the full resolution the dual ESS Quad DACs are capable of either, so maybe they’re just cutting a couple of corners to maximize profit margin by keeping the retail price down?!
AJCxZ0
1
Aug 24, 2023
SuperFlyEDSguyNote that a metal body would compromise the Bluetooth antenna which is, of course, an essential feature of the device.
While materials such as glass or ceramic are an option often used for mobile devices, this would likely make such a device heavy, expensive and more fragile.
oeverdazzle
1
Aug 25, 2023
Can this be utilized in the car? I'm asking if it turns on automatically when the engine starts.
Romne11
7
Sep 27, 2023
There are some similar devices, made just for car use mind you unlike this one, for sale on Amazon with the exact same specs as this unit that plug in to your car's USB power connector and then have a cable you plug in to the AUX auxiliary input. One even uses the LDAC Bluetooth codex - the closest to lossless Bluetooth codex available. It costs a fraction of this device around $25 and sounds great. It turns on and off automatically by simply turning your car key (even just to the point where you get power to the car but has not cranked yet - hope that makes sense) - as well as connects automatically - zero interaction needed. If your interested I can get the name of the device for you though it is easy to find with thousands of high reviews and the only LDAC codex one available.
(Edited)
Bigred1957
14
Nov 17, 2023
Don't want to sound dumb, but is this only for bluetooth headphones or can it be bluetooth keyboard or other peripherals?
Trash_Panda
3
Dec 19, 2023
This isn't for bluetooth headphones. It is a bluetooth receiver so you can send audio via bluetooth to wired headphones. It doesn't accept other wired peripherals. It is strictly for wired headphones.
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