Radsone Earstudio ES100 MK2 DAC/Amp
Radsone Earstudio ES100 MK2 DAC/Amp
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Product Description
Pocket-sized and engineered for performance, the second-generation Radsone Earstudio ES100 MK2 Bluetooth DAC/amp delivers impressive digital-to-audio conversion for Bluetooth devices. It's built with two high-quality AK4375a DACs and has both a 3.5-millimeter unbalanced output and a 2.5-millimeter balanced output Read More
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All of our reviews are from verified customers.
4.3
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angstroms
63
Jan 16, 2020
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Good little amp when you want to cut the cable with IEM and efficient closed back cans
I was easy to to connect, sound quality was decent. I probably use it for when I am on the road more with IEM and my close back headphones.
Jan 16, 2020
munkew
26
Jan 9, 2020
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works great and very convenient
Arrival and Setup: I bought the ES100 so that I could use my IEMs more easily with my iPad Pro. I've got USB-C DAC cables, but this seemed simpler and the price was good. It arrives in a small box with foam packing and a short charging cable (microUSB) which is perfect. I charged it before use and the light went from red to green in about 20 mins (figured that meant it was fully charged. I read the quick start guide - pretty useless. Doesn't even tell you how to pair so I had to search that out on the web. Basically once you turn it on, if it hasn't been paired previously, it will go into pairing mode (the green light is blinking). Straightforward pairing from my iPad on bluetooth. Listening: I inserted my IMR Rah with a 2.5mm jack; it took a bit of pressure but went in fine. The Rah is normally connected to balanced output from Cavalli tube hybrid playing variety of sources from HD music to Spotify. Mostly classical and vocal. The ES100 DAC isn't bad; I had no problems listening with it, just not as open or detailed as from the Cavalli. Not complaining; I was perfectly happy listening to music using the ES100 for an afternoon. Seems to be a bit of burn-in required, as the sound seems to improve, but that could just be me getting used to it :-) Problems: The quick start guide needs a link to the full manual online. Otherwise what the colours and blinking lights mean is a bit difficult to decipher. Clip is useful but isn't tight enough - moves as I use it. I think I ran out of power after a few hours (wasn't measuring) and plugged the ES100 into a powerbank. Bluetooth and music went intermittent after that. Lights would flash (no idea what they mean) and I would lose music, then it comes back on. Gave up and just let it charge. Overall: Different (not better; not worse) than using a variety of USB-C DAC cables and adaptors (I've got a bunch of those) to the same IEMs. Will likely try them with other IEMs and maybe even fullsize headphones later. But it does what it's supposed to do, and I like them.
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Would recommend to a friend.
Jan 9, 2020
Colinsdad
117
Mar 23, 2020
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One of the best purchases I've made in my audiophile existence!! I ESPECIALLY like the ability to run my 2.5mm balanced IEMs on this. I also have this hooked up to a MINI USB in my car, directly to my 3.5mm input for my stereo. I look at it was a small pre amp for my Picasso 400W, a SUPER "clean" sounding car amp. BTW, ABSOLUTELY agree with most of what you've posted here. However, as someone who's owned what's evidently the "base model", any idea what Rev.2's differences are?? The price is on part for what it's going for on Amazon, too.
Mar 23, 2020
munkew
26
Mar 24, 2020
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I was wondering that myself :-) But not enough to go digging. The ES100 is working very well and by the time it dies, there will be something better. Both for performance and in design. I like, for example, the Hidizs bluetooth cable design that replaces the stock cable into the IEMs. But it doesn't sound as good as these.
Mar 24, 2020
headdok
25
Jan 6, 2020
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WOW. Great!
I have a chord mojo connected to Iphone camera kit with moon audio cable and a bluetooth transmitter connected to this device with Massdrop noble iem with upgraded cable, and the sound is stupendous!!
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Would recommend to a friend.
Jan 6, 2020
Gerken
4
Mar 21, 2020
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I have half of your setup the mojo and massdrop noble kaiser. What cable did you upgrade your noble with?
Mar 21, 2020
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