The X8 XVIII ist he special edition of Aune´s 18th anniversary. Having reserved the classic feauture of „op-amp icherchangeable“ and the 7 filter mkodes, it added the balanced TRS preamp output. More room for your exploration oft he sound. The X8 XVIII supports high-resolution decoding up to 32bit/768k and DSD512. Using the FPGA technology researched and developed by the Aune engineers, the X8 has purer digital signals, and you get the purest sound. Beside the inputs of USB, coaxial, optical and the outputs of RCA preamp or RCA line, the Aune X8 XVIII has now got the balanced TRS preamp out. Look at what a compact device can provide. With the op-amp interchangeable, you can change the op-amp and search fort he sound you like. Enjoy the exploration. This Digital-Analog Converter can be connected to an Apple or Android phone/tablet via USB. The sound quality improvement is instant. With a computer, this Aune DAC can support 32bit/768k DSD512. Play the high-resolution audio files or music stream. Pair it with your active speakers or headphone amplifier like the Aune X7s. PC HiFi simple and perfect. The XVIII is compatible with all kinds of dual op-amps. Different dual op-amps characteristics can be fully displayed. Seven filter modes – seven different tastes. Together with the interchangeable op-amps, you can have so much fun exploring. The Aune X8 XVIII´s coaxial input supports up to PCM384k and DSD128. Pair it with a digital transport/player like the Aune X5s and finalize you audio system without any disstortions of your PC.