xDuoo X2S The successor to the iconic X2 model Color : black xDuoo is a popular brand from the Middle Kingdom, whose products are characterized by a sensational price-quality ratio. Its offer includes solutions from various categories, including well-priced audio players, tube headphone amplifiers, headphone integrateds or portable amplifiers and DACs/AMPs. Compact audio player xDuoo X2S X2S is xDuoo's newest portable audio player. It is distinguished by a compact housing, the dimensions of which are only 6.3 x 4 x 1.5 cm, and the weight is only 50 g. The model is therefore the size of a matchbox, making it an extremely easy device to transport and wear. And intuitive operation of the device is guaranteed by physical function buttons, which are placed on the front panel Housing made of resistant aluminum alloy xDuoo X2S is entirely made of a resistant aluminum alloy, which guarantees great durability of the structure. Its surface is additionally sandblasted, which guarantees not only a characteristic texture, but also prevents the collection of fingerprints. xDuoo X2S with a clear OLED screen The X2S model is equipped with a small 0.96 inch OLED screen. It is distinguished by a very low energy consumption and has a high contrast, which translates into great visibility in the sun. It presents key information about the songs being played or sampling. X2S with built-in 6-band equalizer The xDuoo company equipped the X2S with a 6-band equalizer, which allows you to amplify or reduce the signal to as much as 12 dB in a given fragment of the band. Thanks to this, users can easily adjust the nature of the headphones to their own preferences or conditions of use. Supports PCM audio up to 24bit/192kHz xDuoo X2S is equipped with a DAC chip that guarantees significantly higher quality than solutions used in smartphones, and also supports PCM audio up to 24bit/192kHz. DAP also supports most popular audio formats, m.in. DFF, DSF, DSD, FLAC, APE, AIFF, AAC, MP3, WMA and OGG. Native support for DSD files up to 128 Despite its small size, the xDuoo X2S supports the playback of DSD files up to 128, which are processed directly by its chip. Omitting DoP allows you to reduce losses when playing DSD files and more fully reflect the character of the tracks. Powerful headphone output The X2S has a specially designed buffer amplifier module which is based on a rail-to-rail operational amplifier. It is distinguished by great efficiency, which allowed to achieve as much as 250 mW (at 32 ) on the 3.5 mm headphone output (single ended). DAP xDuoo correctly drives not only in-ear headphones, but also most headphones (optimal headphone impedance: 16-300 ). Supports memory cards up to 128GB xDuoo X2S is equipped with a memory card slot that supports microSD media with a capacity of up to 128 GB. This allows you to use even large libraries of your favorite songs on the player. Technical Specifications: dimensions: 6.3 x 4 x 1.5 cm weight: 50g PCM support: up to 24bit/192kHz DSD support: up to DSD128 frequency response: 20Hz - 20kHz THDN: 0.003% SNR: 108 dB gain level: 6dB output power: 250mW (32 @ 1kHz) battery: 800mAh (3.7V) working time: approx. 10 hours charging time: less than 2 hours