Luxury Precision W2 Ultra Portable USB DAC/AMP Headphone AMP

W2U "The Extraordinary" 800mW+800mW Continuous High Power Output! L&P's New High-Power Dongle W2 Ultra. Basic parameters Product model：W2 Ultra Color/Size/Weight：GREEN/63x24x12.5mm/26g Display：0.91 inches monochrome OLED Packages list：Manual x1/warranty card x1/C-C cable x1/TYPEA-C adapterx1 SNR：3.5mm: 129db(A Weighting)，4.4mm: 133db(A Weighting) Dynamic Range：3.5mm: 129db(A Weighting)，4.4mm: 133db(A Weighting) THD+N：3.5.mm:0.00048%@32Ω，4.4mm:0.00012%@300Ω Output power：3.5mm:216mW@32Ω，4.4mm:800mW@32Ω Output voltage：3.5mm: 2.65Vrms，4.4mm:5.3V DAC：CS43131x2 Input ports：Type-C USB female Output ports：3.5mm SE (PO, SPDIF) 4.4mm balanced Sampling Rate PCM：16/24/32bit 44.1KHz-384KHz Sampling Rate DSD：Native DSD64/Native DSD128/Native DSD256 Supported systems：1OS/OS/Android/Windows/linux Function Parameter EQ：Normal/CLASS/JAZZ/ROCK/POP/BASS/MOVIE/GAME SDF Tone tuning：NORMAL/IER-M9/IER-Z1R/SE846/IE800S/Xelento /IE600/IE900/Traillii Ti/N500S/HD800/Utopia Gain：HIGH/LOW Digital