The Fosi Audio S3 DAC converts digital audio signals using the AK4493SEQ DAC chip and supports sampling rates up to PCM 32-bit/384 kHz. Its architecture separates analog and digital processing and includes a differential amplification circuit with two OPA1612 op-amps and a balanced XLR output.
Connectivity includes HDMI eARC, an output for an active subwoofer, and Bluetooth 5.3 with AAC and SBC codec support. The Fosi Audio app provides a 5-band equalizer and multiroom functionality.
- Color: Black
- DAC chip: AK4493SEQ
- ADC chip: Burr-Brown PCM1894
- Processor: Amlogic A113X
- Op-amps: 2 × OPA1612
- Maximum sampling rate: PCM 32-bit/384 kHz
- Architecture: Separate analog and digital processing
- Output: Balanced XLR
- Input: HDMI eARC
- Subwoofer output: For an active subwoofer
- Bluetooth: 5.3
- Bluetooth codecs: AAC, SBC
- Equalizer: 5-band
- Multiroom functionality: Available