Fifine on Amazon (non-affiliate)
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Also here is a code for 15% off that runs till March 26th
15FIFINE688
Fifine on their site for information:
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Previous video I covered on the K658:
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Budget IEM's and Headphones I recommend:
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Follow me on Social Media
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Interested in having me review your product?
Email at:
skeeb23_tech@gmail.com
00:00 Introduction
00:57 Fifine Pronunciation
01:15 Inside the Box
02:00 Tech Specs
03:24 Sound Test Samples
05:00 XLR Functionality and setup
07:25 Differences of K658 to K688
08:13 Positives and Negatives
10:33 Wrapping up and Suggested Setups
![](https://s2.save4k.ru/pic/EQmEO43IHIo/maxresdefault.jpg)