The full differential direct audio path delivers the best linearity and separation, still with enough battery time. 4V RMS Mode BAND PRO GRADE EQUALIZER: The embedded pro-grade equalizer is a vital benefit of 5K DAC/AMP over other similar products. It processes every incoming source audio from everywhere: YouTube, Apple Music, Spotify, iOS, Android, PC, Bluetooth (all Codecs), and USB. For more degree of freedom, 5K DAC/AMP supports parametric EQ in addition to graphical EQ. The embedded DSP cores perform double-precision 64-bit EQ processing, providing accurate and precise frequency response.

For a USB DAC use case with Windows, MacOS, and Linux, you can install the Qudelix Chrome Extension. It's a shame Qudelix didn't try to somehow make them differ from each other - be it in shape, placement, etc. The app shows all the technical info about the 5K device, battery time and performance, firmware details and even remaining warranty period. There are various screens that can be accessed by the corresponding icons at the bottom bar, each for a different hardware or software configuration. There is a short description of the many features on each screen. Both the source device and 5K volume can be controlled by the app, as well as changing the buttons’ functions, volume limit, codec, output power and sound quality performance. While the 5K will not replace much costlier desktop DAC/amp combos, it is a delight to use on the go and with my office desktop. Users of powered monitor speakers will also find the 5K useful, as the DSP works wonders for room correction. Where to Buy However, this decision entailed getting a completely new source, since my main players of choice up to then were: Sansa Clip+ and my phone (Xiaomi Mi 9T Pro).

Build:​

Mentioning a person that on purpose instills excessive and extreme force to purposely damage electronics, just for views and money....not at all a realistic or real world scenario. No one bends their phones like that, and certainly not a small form factor device like this DAC can even bend as such. The Qualcomm® QCC5100 series are the most advanced Bluetooth SoC designed for high-end Bluetooth applications. Qudelix-5K is the world's 1st Bluetooth DAC/AMP designed with a QCC512x chipset. QCC512x's ultra-low power... Same here, not much to comment - even though it's plastic + metal clasp, the built quality is very SOLID. The BTR5 is also very well built. EDIT- I stand corrected- @unplugged is correct. Priority only matters when there is music playing on the BT device and USB devices. Regardless of priority settings if the USB connection is the only one live with music into the 5k- that is what will play unless you start playing on the BT connected device too.

Sound-wise, these two sound more or less the same, you will be hard pressed to notice any audible differences - if any - well, maybe the BTR5 is a touch more refined and cleaner than the 5K. First impressions: whoah, it's really tiny! Size-wise it looks almost like my Sansa Clip+, if not a little bit narrower. We've tried many DACs and Amplifier ICs and found ESS9218p is the best option for our goal. Besides the sound quality, the primary advantage of ESS9218p is that the built-in amplifier delivers the maximum output voltage up to 2V RMS. Furthermore, it supports the 1V RMS option at the same sound quality to save power consumption.

Shipping Policy

I ride an Indian Challenger and it comes with an on board audio system, speakers or Bluetooth. No 3.5mm plug for wired earbuds. In the “EQUALIZER” tab, you can find either the parametric or graphic equalizer, depending on what you’ve chosen. For the PEQ, either 20 bands can be configured – which are the same for both channels – or 10 bands for each channel separately. Insane!