KEYSION HIFI DAC earphone Amplifier USB Type C to 3.5mm Headphone Jack audio adapter 32bit 384kHz Digital Decoder AUX Converter
Chip Parameters
Chip model: Realtek ALC5686
DAC sampling rate: 32bits / 384KHz
Signal to noise ratio / SNR:> 125dB
Dynamic range / DNR:> 100dB
Distortion / THD + N: <0.00177%
Frequency response / FR: 20Hz-80KHz
Output power: 16-600Ω (adaptive)
High performance DAC / Pure HIFI sound quality / 600Ω High impedance
Support system: compatible with win7 / 8/10 and Mac OS X iOS10 / Android4.0 or higher
support : 98% USB TYPE-C ports for smart devices, smartphones / tablets
For Huawei /For Xiaomi/ For Redmi / For Samsung / For Sony / For Honor /For OPPO,,,,more
Product parameters:
Product Name: Type-C Digital Headphone Adapter Amp
Product function: type-C to 3.5mm interface
Decoding chip: Realtek (Realtek) ALC5686
Supported standards: OMTP / CTIA Headphone automatic switching
Core material: single crystal copper
Shell material: one-piece aluminum alloy sandblasted + anodized
Product color: silver, gray
Product length: 13CM + -0.5mm
Product weight: 8g






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After almost two weeks of testing it, I did notice an improvement in sound quality; I tested it with about $7 KZ EDX.
Regarding the microphone, it didn't work on a Google Pixel with Android 10, but it did work on a LG G6 with Android 7.
I didn't look very well at battery use, but I do have to say that phones are downloaded a little faster; so I consider them just as illustrative for those who want to have a rough idea of the energy consumption of the dongle.
Finally, a slight background noise is heard when no audio is played, which may be a little annoying.
I thank the TeknoGeek YouTube channel, whose review encouraged me to buy this item.
I recommend, you have an improvement in quality than if noted.
Works great with Motorola one vision, sounds better and louder than the built-in DAC.