Node 2i headphone volume

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    Sam R.

    Hello there, 

    On the contrary, the AKG K702s are somewhat hard to drive.

    But in any case, the NODE 2i has a headphone driver rated 0.0055% THD @1kHz, 35mW. It is designed for use with most headphones, with a minimum impedance of 14 ohms. 62ohm headphones with a low SPL would sound somewhat underpowered with the NODE. 

    Regards,
    Sam R.

    Edit: rewording

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    Davywhizz

    I've now tried a pair of Grado's (32 ohm) with the Node 2i headphone output. Definitely more volume headroom available with them.

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    Davywhizz

    Further update. Even though the Grado's gave me more volume, I really wanted to be able to use my AKGs. So I bought a not too expensive external DAC/headphone amp and run it from the Node 2i coaxial output. More than enough spare volume and the sound quality is great. It's a Fiio K5 Pro, which I picked for its excellent reviews and design. It has an input selector toggle switch on the front panel (optical/coax, RCA analogue or USB) and another to select three levels of output gain. There's a line out for use with powered speakers/hifi amp, as well as the headphone socket. 

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