Luxury & Precision W4 Portable USB DAC/AMP

Basic Parameters Model W4 Color/Size/Weight Phantom Gray / 63x24x12.5mm / 24g Screen 0.91-inch OLED Accessories User manual x1 / Type-C to Type-C cable x1 / Type-C to Lightning cable x1 / USB-A to Type-C female adapter x1 SNR A-WT 20Hz-20kHz BW Single-ended: 131db, Balanced: 135db DR A-WT 20Hz-20kHz BW Single-ended: 131db, Balanced: 135db THD+NA-WT@32Ω 20Hz-20kHz BW Single-ended: 0.0003%, Balanced: 0.00013% THD+NA-WT@300Ω 20Hz-20kHz BW Single-ended: 0.00025%, Balanced: 0.0001% Output Power@32Ω THD+N<0.01% Single-ended: 110mW, Balanced: 420mW DAC LP5108 Input Interface Type-C USB female socket Output Interface 3.5mm single-ended headphone jack/4.4mm high quality balanced headphone jack Audio Format (PCM) 16/24/32bit/44,1kHz-374kHz Audio Format (DSD) Native DSD64/Native DSD128/Native DSD256 Supported Systems iOS/macOS/Android/WIN/Linux Functional Parameters EQ Normal/CLASS/JAZZ/ROCK/POP/BASS/MOVIE/GAME SDF Tuning Normal/Xelento/IE800S