High-Resolution Sound Experience With Premium ESS Sabre DAC Chipset. Shanling UA1s is based on the same trusted ESS Sabre DAC chipset as the highly-acclaimed UA1 Pro DAC/AMP. It houses a high-performance ES9219C 32-Bit stereo DAC chipset from ESS Sabre Technologies. Explore your favorite music with all-new clarity and details as the premium ESS DAC chipset delivers quality performance with ultra-low distortion and clean, Noise-free background. _ In-House Developed FPGA Audio Architecture. Shanling UA1s features the brand’s in-house developed FPGA audio architecture. This brings improved audio quality performance. You notice better, cleaner output with lower distortion. _ High-Resolution Audio Signal Decoding Support. UA1S supports high-resolution audio signal decoding. It provides full decoding to high-resolution audio signals including PCM signals up to 32-Bit/384kHz bitrate and native DSD256 signals. _ Interchangeable Connector Cable. Shanling UA1s is compact and versatile. Just like the other premium products in the catalog, Shanling has featured interchangeable cable design on the UA1s. _ Specification Output power: 1.6V@320 (80MW@32Ω) Frequency response: 20Hz -50KHz ( +0.5dB) THD+N: 0.0007% @ 32Ω (A-weighting) Dynamic range: 119db @ 32Ω (A-Weighting) Signal ratio: 117db @ 32Ω (A-Weighting) Channel separation: 71db @ 32Ω Output impedance: Size: 40mm x16.5mm x10mm