Cayin N7 DAP Review - What does $2000 get you in a portable music player?

Cayin's N7 is the first portable digital audio player (DAP) to use 1-bit playback, in the manner of high-end Japanese CD players, rather than a conventional DAC chip. I put it through its paces.
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You can buy the Cayin N7 from HiFiGo and support my channel at the same time:
https://www.hear.audio/go/n7
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Recommended "must have" genuine micro SD cards on Amazon: (Affiliate links)
Sandisk Extreme (32GB to 1TB): https://amzn.to/3zrw9Xm (Very fast. Shown in video.)
Sandisk Extreme Pro 1TB: https://amzn.to/3MJOmpl (If you need speed.)
Sandisk Ultra (32GB to 1TB): https://amzn.to/3LLzohd (Better value, especially the 400GB card.)
PNY (64GB to 1TB): https://amzn.to/3gmseDC
Samsung EVO (32GB to 512GB): https://amzn.to/2v76uX5 (Shown in video.)
Lexar (Up to 1TB): https://amzn.to/3MKvDtv (Very fast cards.)
Silicon Power (64GB to 256GB): https://amzn.to/2S5T6vz (Lesser known, but good brand.)

Other cards:
Teamgroup: (16GB to 1TB) https://amzn.to/35mb9U0 (Ratings are all for lower capacities. The reliability of this brand for 1TB cards is unknown.)
Amplim (16GB to 1TB): https://amzn.to/3glLxwG (See the comments where someone tested the 1TB card. Long-term reliability is unknown.)

Buying through these links supports making these videos.

00:00 Start
01:43 What is 1-bit Audio?
06:33 Sound Impressions - Amplifier
10:03 Sound with Full-sized Headphones
12:13 Sound impressions - DAC
15:54 Storage and Micro SD cards
17:28 Compared to other devices
20:16 Conclusion
22:22 Thanks