Body font family verdana geneva sans serif font size11px td font family verdana geneva sans serif font size11px fiio e10k olympus2 all new usb dac headphone amplifier the fiio e10k usb dac headphone amplifier is a classic reborn featuring improved performance over the fiio e10 model thanks to the dac chip changing from the wm8740 to the pcm5102 chip it is designed to improve your laptops audio output quality the pcm5102 dac chip and is capable of handling pcm files in up to 24