Questyle Introduces Sigma and Sigma Pro: Portable Hi-Res Audio DAC/Amps for Exceptional Sound
By HiFi Editorial24 February 2026
Key Highlights
Questyle has introduced the Sigma and Sigma Pro portable DAC/amps, delivering high-resolution audio with remarkable output power in a compact design.
The Sigma Pro features dual ESS ES9069 DACs in a dual-mono configuration, supporting up to 32-bit/768kHz PCM and DSD512 audio formats.
Both models include balanced 4.4mm outputs, LDAC, Snapdragon Sound, and Bluetooth 5.4 technology, enhancing connectivity and audio quality.
HiFi Weekly Digest
New gear, best reads, and deals — every Friday.
