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Radsone EarStudio ES100

Discussion in 'Portable Headphone Amps' started by m4rkw, Dec 12, 2017.
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  1. subwoof3r
    Just to clarify things, each time we want to change connect/disconnect from balanced/unbalanced, with output mode lock enabled, stopping music before connect/disconnect is enough ? or we really need to turn off completely ES100 before doing that?
  2. SomeGuyDude
    Is anyone using this li'l fella bluetooth with Tidal HiFi? I'm curious if that's completely pointless because of the conversion. I got a 3mo trial and loving it at the desk rigs but not sure if I should bother keeping it up that high while on cell data.
  3. Lurk650
    Just pause the music. IDK why people make this into a bigger deal than it really is.
  4. moisespr123
    I'm using it. I don't notice any quality degradation from using it. If I use it with my phone, I make sure to use LDAC, which has a sample rate of up to 96khz.
    scotvl likes this.
  5. Slater
    It’s a BIG DEAL

    If you don’t have any hands
  6. Cevisi
    Welcome to our Sect
    courierdriver and scotvl like this.
  7. monsieurfromag3
    I do too. I’m in over my head here but I believe the ES100 is particularly well-suited to streaming Tidal wirelessly, because its sample rate over BT is a multiple of 44.1. It says so on p.2 of the State-of-the-Art Bluetooth whitepaper. Does this effectively mean it bypasses the Android mixer and its nasty upsampling to 16/48? If so it would be a great way to experience unadulterated FLAC quality, easier than using UAPP or Neutron which are necessary right now with most Android sources to bypass the mixer. Even better than using the ES100 as a USB DAC, where it defaults to 16/48...
  8. moisespr123
    No, it doesn't bypass the Android sampler. You can confirm this via the EarStudio app. When listening in LDAC, it streams at 96khz. You can manually change the sample rate in the Android developer settings.
    monsieurfromag3 likes this.
  9. SomeGuyDude
    I mean I honestly DGAF about sample rates or bit-depth because that's a level of placebo I can't even begin to take seriously but since FLAC is 1411kbps and LDAC is somewhere in the 900s I do wonder if I should bother with HiFi since it'll be compressed and potentially introduce artifacts.
  10. jasonb
  11. courierdriver
    Thanks! To be honest, I have read about this device for more than a year and was interested. After seeing a vid on YouTube from Z Reviews, I really felt it would suit my needs. Around the same time, I discovered the Qdelix thread, which I'm also subscribed to because this new product was supposed to enhance on the SQ, power, and battery life compared to the ES100. I decided to buy an ES100 from Amazon. When I received it, I had problems with the sound cutting out and only 1 channel in all the iems I tried (with 2.5 balanced output...because that's all I use and I feel the sound is much better than 3.5 single-ended, based on my experience with my Fiio Q1MK2). I thought it was defective, so I sent it back for a refund. I posted all this on another thread (I think it was on the KZ thread, but I might be wrong) and a fellow headfier (@Slater ) informed me that I probably didn't use enough force to fully insert my cable plug. So, basically, I'm now kicking myself for sending it back. I've been looking to re buy it, but the price is much higher now on Amazon in Canada, and also on ebay. I have finally found a Canadian seller who I can get it from for under $100 Canadian, but I'm not sure if that price includes shipping and taxes. I've put in a Drop request also (even though I hate dealing with US sellers because of additional currency conversion, shipping costs and my own country's duties/taxes...it usually costs much more in the end). I'm still really interested in this unit though...so much so, that I'm seriously considering deleting all the items in my Aliexpress cart (BLON BL03, Nicehck DB3, 2 SPC balanced cables for each iem, and a 2.5 to 3.5 adapter...all waiting for 11/11 sale)...to be able to afford the ES100 instead. Am I crazy to be considering this?
  12. Lurk650
    @courierdriver you have the MD KP, from what I've read the BLON is pretty much the same sound sig so kind of redundant.

    Also, the ES100 doesn't require that much force to fully plug in for balanced. Could have been a defective piece indeed.

    I love my ES100, best purchase last year. Just recently sold my ZX300a as I reach for my ES100 much more often.
  13. jasonb
    scotvl and courierdriver like this.
  14. courierdriver
    Thanks for the info! I agree with your assessment of the BL03, which is why I've been wondering if I really need to spend the extra $ on them, when I already own and like my KPE. As for the ES100, I don't know. I wish it worked right OOTB, and I didn't have to send it back. I don't like to have to try to forcefully make stuff connect...especially with a device like this, which to me feels fragile because it's made mostly of plastic. I guess that's what it all comes down to in the end, for me. I really love the robust build of my Fiio Q1MK2 dac/amp. The SQ is crazy good...so much so that I can't justify spending more than a half months income on a DAP with a high quality balanced output...to achieve the same or MARGINALLY better SQ. Only problem I have with it, is it's a cumbersome stack when connected to my smartphone, especially for portable use; because I need to use a short OTG cable to connect it to my phone, and I need to attach the Fiio to the back of my smartphone case with 3M Dual Lock to make the screen usable. Every 3 months, I need to replace the 3M Dual Lock with new strips on both units, to keep them secured to each other because of dirt and grime getting into the locking grooves. This becomes cumbersome and expensive, with a roll of Dual Lock running me $30+ for a 10 foot order. The other problem is that, while I have this stack connected, I can't use the rear camera on my smartphone because the dac/amp covers it up. So, to sum it all up...what I desperately want and need...is a high powered, low noise, Bluetooth dac/amp with 2.5 balanced output, that I don't need to physically attach to my phone so that I can still have all the functionality of my phone, camera included. The ES100 seems to be that, from all I have read.
    monsieurfromag3 likes this.
  15. courierdriver
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