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Radsone EarStudio ES100

Discussion in 'Portable Headphone Amps' started by m4rkw, Dec 12, 2017.
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  1. AndroidL
    Does anyone know if the es100 support line out? (Bypassing the amp and only using it as a DAC) Thanks!
  2. redrol
    EH, I thought it had no actual amp, just the DAC output. Which can easily be set to line level with the included calculation voltage thingy.
  3. tracyca
    Es100 is unbelievable, I still can’t understand how they made this tiny box sound so perfect. Bluetooth ant no joke and less wires to trip over.
    Slater likes this.
  4. AndroidL
    Yeah it definitely has an amp otherwise how would it power headphones... I just wonder if the 3.5mm is only a headphone out or it can be a line out as well. If it is only an headphone out then the signal will be amplified twice if it is connected to an external amp, which would not be ideal for sq.
  5. jsmiller58
    Thanks - and I'll hope as well!
  6. Slater
    Of course it has an amp :)
  7. rkw
    There is no explicit line out mode. The DAC itself (which is inside the integrated DAC+amp chip) probably can't provide enough power for line out anyway. The Radsone website has a link to an application note about using the ES100 as a preamplifier. In summary, if you connect the ES100 output to a high impedance input (such as a power amplifier), the ES100 will operate like a preamplifier and you only have to set the output to an appropriate level.
  8. kukkurovaca
    27604604-D58C-43CA-90EF-B08A2348EF35.jpeg Anecdotally, I think the ES100 works great with portable/transportable amps, at least
  9. AndroidL
    That is very helpful and thank you! I found that the output mode can automatically changes between preamp and headphones out every time you switch between using an external amp and headphones, that is very convenient. Thanks.
  10. AndroidL
    That is exactly what I need to hear. Cheers
  11. arbiter76
    Have not had time to check in. The ES100 is still the bees knees. How about the HE100s?
  12. MisterMudd
    Yep. Been unbelievable for me about 1 year and 1 month. I must admit I covet the hell out of it. Sounds sssooooooo good.
    Slater likes this.
  13. Cevisi
    Do you like it better then q5s
  14. AndroidL
    Another question, does the microphone work when it is connected as a USB DAC and acting as an external microphone for computer it is connected to?
  15. rkw
    No. ES100 is not a USB microphone device.
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