[DETAIL]<br>ALC5686 CX31993 HiFi DAC Headphone Amplifiers Audio Decoding AMP Adapter Sound Card Digital Decoder 32bits/384KHz For iPhone iOS<br>Model:ALC5686 Version<br>Specifications:<br>Chip model: ALC5686<br>Thrust: .65mW(329)<br>DAC sampling rate: 32bits/384KHz<br>Signal-to-noise ratio/SNR: >125dB<br>Dynamic range/DNR:> 100dB<br>Distortion/THD+N: 95db<br>THD+ N: 0.0003%<br>DSD: 64/128 (PCM)<br>Wire: 4 strands of single crystal copper + 4 pure silver mixed, a total of 8 strands<br>Note:<br>This product does not support Apple calls, it can control the volume and cut songs by wire<br>Press the pause button or three-click the pause button to cut the song (the line control requires you<br>Headphone support and playback software support)<br>Apple has opened up the 24BIT/192K audio source, so that you can listen to high-definition music (24BIT/192KHZ) with many decoding amps.<br>How to listen to lossless audio on iPhone or iPad:<br>Requirements:<br>After updating your iPhone or iPad to iOs or iPadOS 14.6 or later, you can listen to lossless audio on your device in the following ways:<br>1.Use cables to connect the device to headphones, receivers or powered speakers<br>2.Use the built-in speaker<br>3.To listen to songs at a sampling rate higher than 48 kHz, you need to use an external digital-to-analog converter.<br>How to turn lossless function on or off<br>1. Go to ''Settings''> ''Music''.<br>2. Tap ''Audio Quality''.<br>3. Tap ''Lossless Audio'' to turn this feature on or off. Here, you can choose the audio quality you want when streaming and downloading audio.<br>If you choose ''lossless'', then the highest resolution is 24 bit/48 kHz<br>If you select ''High Resolution Lossless'', then the highest resolution is 24 bits/192 kHz<br>How to listen to lossless audio on Mac:<br>Required condition<br>After updating your Mac to macOS 11.4 or later, you can listen to lossless audio on your device in the following ways:<br>1.Use cables to connect the device to headphones, receivers or powered speakers<br>2.Use the built-in speaker<br>3.To listen to songs at a sampling rate higher than 48 kHz, you need to use an external digital-to-analog converter.<br>Model:CX31993 Version<br>Total length: 13cm<br>Thrust: 65mW<br>DAC sampling rate: 32bits/384KHz<br>Signal-to-noise ratio/SNR: >128dB<br>Dynamic range/DNR:>120dB<br>Distortion/THD+N:95dbTHD+N:0.0003%DSD:64/128 (PCM)<br>Wire: 4 strands of transparent sterling silver + 4 strands of transparent blue mixed with a total of 8 strands of sterling silver wire<br>Note:<br>This product does not support Apple calls, it can control the volume and cut songs by wire<br>Press the pause button or three-click the pause button to cut the song (the line control requires you<br>Headphone support and playback software support)<br><br>[ATTRIBUTES]<br>- USB Compatibility: iOS<br>- Bluetooth: No<br>- WIFI: No<br>- USB Compatibility: iOS<br>- Bluetooth: No<br>- WIFI: No<br>- D/A Converter: 64/128 (PCM)<br>- Model Number: CX31993 ALC5686 DAC<br>- Material: Metal<br>- DSD Sampling Frequencies: 11.2896 MHz (DSD256)<br>- PCM Word Length: 32-bit<br>- PCM Sampling Frequencies: 384 kHz<br>- Outputs: 3.5 mm<br>- Inputs: AUX<br>- Type: Portable<br>- Brand Name: WAPUNO<br>- Origin: Mainland China<br>- Certification: None<br>- Feature 1:: ALC5686 Headphone Amplifier<br>- Feature 2:: CX31993 Headphone Amplifier<br>- Feature 3:: HiFi DAC<br>- Feature 4:: Audio Decoding AMP Adapter<br>- Feature 5:: Sound Card<br>- Feature 6:: Digital Decoder