Fiio's restricted edition, E12 Do It Yourself version has swappable amplifier parts to permit users to blend and match for ideal sound combination. E12DIY has a high voltage, low internal resistance power circuit, with dual 11V rails (+/- 11V);.
dual well balanced power supply design removes the requirement for coupling capacitors, preventing loss of audio.
frequencies and raising the vibrant range. High ability 9.7 Wh (880mAh/11.1 V) Li-polymer battery.
has smart charging circuit that adjusts charging present dynamically.
according to the connected power supply's present capability.
E12DIY can attain 750mW@32Î©, 150mW@300Î© (using OPXXX+BUFXXX combo), satisfying the power requirements of most headphones on the market
Simply use the supplied hex key to unscrew the back cover and pull out the case to access the E12DIY main board. Note: Please turn off the unit and disconnect the USB power connection before opening the unit. Since the nature of the product, this item cannot be covered under manufacturer's warranty, once you open the amplifier unit and switch with amplifier components.
E12DIY comes with 7 high fidelity, ultra-low distortion op-amps and buffers: Including four op-amps: AD8620, AD797, OPA1611, OPA604and three buffers: BUF634, LMH6321, LME49600for a total of 12 different stock sonic configurations.
Users can also use the supplied adapter PCBs to install other op-amps and buffers for infinite variations in sound.
Please double-check for correct orientation of op-amps and adapter PCBs before installing the op-amps and the PCBs onto the main board and re-check after installation. Installation with reversed orientation may destroy op-amps and the E12DIY.