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Review on HIDIZS MS4 Hi-Fi Earphones Hi-Res Earbuds Detachable Cable Design Four Driver Hybrid(1 Dynamic 3 Knowles BA) In-Ear Monitor Headphones (Silver) by Peter Sullivan

Revainrating 5 out of 5

(UPDATE ADDED!) The left handset has failed twice!

UPDATE (05/06/2021): Had my pair repaired in China late last year one day which took over a month and unfortunately after only 5 months the left earbud stopped working again The second time! The manufacturer said they would replace it, but demanded proof, and while trying to diagnose the earbuds according to the manufacturer's instructions, one of the earphones' gold connectors broke. Hopefully my pair was just faulty but either way I'm sorry. To say I was quite disappointed with this purchase and decided to switch to another brand. ------------------------------------------------ ------------------------------------------------ --------Apart from my computer and phone, my headphones are my most used electronic device, so I recently decided to invest in a major headphone upgrade that will allow me to enjoy both my music and audiobooks can her whole tent! After months of careful research, I settled on "HIDIZS Headphones (MS4) (Hi-Fi)” + "Black AudioQuest Dragonfly (Preamplifier)(USB)”. I got them both before Christmas and tested the performance on my iPhone 8. It's safe to say I've never had anything that rivals the sound quality of this combo! Even on their own, the MS4 headphones represent a completely different sound quality that I had no idea until recently! In combination with the Dragonfly, the full potential of the headphones is revealed! Much louder sound that maximizes the deep bass, bright mids and powerful tremble that the 4 headphone drivers can produce while maintaining crystal clear sound quality with no noise! I've used "high-end" JBL, Beats & Bose Wireless. Headphones and none of them are anywhere near in the same league! The difference becomes particularly clear at high volumes. There is simply no loss of quality no matter how loud the volume is! I could easily distinguish all the different instruments and tones in a song; something I didn't know before! As if that wasn't enough, I noticed that despite the volume of the instruments, I could also perfectly hear the sounds of the mouth opening, gasping, and tongue clicking between the lyrics, as if I were a person next to me! What surprised me the most about these headphones was the impeccable noise cancellation that they offered when requested! With memory foam headphones, I was more than happy to find that I couldn't hear anything at all, especially during audio playback! Just a touch on the shoulder could get my attention, perfect for planes and windy days. I previously had a pair of Bose SportsBuds and barely heard them in the wind. With MS4 there were no problems! While there is a bit of discomfort when inserting the headphones, it feels like there is literally nothing there! Amazing construction, solid heavy construction giving me confidence that they are very well made! / Black Dragonfly pre-amp and I don't have to exceed the achievable volume (50%)! Dragonfly basically turns my iPhone into a dedicated hifi player and I highly recommend using it with Hidiz as it greatly improves your listening experience for only +$100! The included little leather case is very handy and big enough to fit everything perfectly in my little rig! (SEE PICTURE) For the price I doubt there is another Hi-Fi setup that can match the performance of the MS4 + Black Dragonfly! Anything Unique gives me all the listening power of a dedicated Hi-Fi setup in a smaller and more affordable package!

Pros
  • Several competitors
Cons
  • are unreliable