Descriptions:

The DAC Module provides a super affordable high-quality DAC for the Raspberry Pi.
Since it's digital audio, it sounds really good, much better than the onboard analog audio. The stereo jack comes soldered onto the board already.
Features:
Line out stereo jack
pHAT format board
Uses the PCM5102A DAC to work with the Raspberry Pi I2S interface
Specifications:
Type：I2S DAC Decoder
Model: PCM5102
Applications:
A / V Receiver
DVD, BD player
HDTV receiver
Applications Require 2VRMS audio output

Package include:
1x I2S PCM5102 DAC Decoder