The standard edition of the X7 Portable High-Resolution Audio Player from FiiO is a titanium-colored, Android-based smart device that supports lossless and lossy audio files, including WAV, FLAC, APE, ALAC, WMA, MP3, and OGG. It also supports higher formats such as DXD, DSD (up to 5.6 MHz), and PCM files at up to 64-bit/384 kHz.
The standard edition does not ship with an amp module and only provides a protective stopper at the bottom. In order to charge and listen to music, an amp module must be purchased. Available amp modules include the AM1, AM2, AM3, and the AM5. Additionally, the non-amped AM0 module is also available, which only includes a USB port and no headphone output. The AM0 module is designed for users who wish to use the X7 as an audio source while connecting to an external DAC or amplifier.
Beneath its aluminum chassis, the X7 houses an audiophile-grade architecture that includes the dynamic Rockchip RK3188, which helps ensure faster performance and long runtime with low current leakage. It's equipped with a ESS ES90185 DAC chip, which is designed to produce enhanced SNR and dynamic range. In addition to this architecture, the X7 is also highly customizable.
The X7 is equipped with both Bluetooth and Wi-Fi technology and supports pairing with other compatible devices for hassle-free wireless playback. It comes equipped with 32GB of internal storage (27GB available for music), 1GB of RAM, and features a microSD card slot that supports microSDXC cards up to 128GB for additional storage. The X7's internal 3500 mAh li-polymer battery provides up to 9 hours of playback under normal conditions.