The Questyle SIGMA, a flagship portable DAC/headphone amplifier, will be released on October 10th at a price of approximately ¥99,000.

The device aims to provide stationary-class sound quality on-the-go, incorporating advanced technologies and expertise under its 'Summation' philosophy.

Features include the AKM AK4493EQ DAC for precise decoding, noise reduction, and a 3-layer amplification design for authentic sound reproduction.

Equipped with four independent current-mode amplifiers, the SIGMA supports IEM-specific modes, enabling premium earphone performance.

The SIGMA supports Qualcomm Snapdragon Sound, LDAC, and aptX Adaptive, is Apple MFi certified, and offers 12-hour playback with its 4,300mAh battery.

It provides 4.4mm balanced and 3.5mm stereo outputs, delivering up to 1,200mW@32Ω output (balanced connection).

The Questyle SIGMA, a flagship portable DAC/headphone amplifier, will be released on October 10th at a price of approximately ¥99,000.

The device aims to provide stationary-class sound quality on-the-go, incorporating advanced technologies and expertise under its 'Summation' philosophy.

Features include the AKM AK4493EQ DAC for precise decoding, noise reduction, and a 3-layer amplification design for authentic sound reproduction.

Equipped with four independent current-mode amplifiers, the SIGMA supports IEM-specific modes, enabling premium earphone performance.

The SIGMA supports Qualcomm Snapdragon Sound, LDAC, and aptX Adaptive, is Apple MFi certified, and offers 12-hour playback with its 4,300mAh battery.

It provides 4.4mm balanced and 3.5mm stereo outputs, delivering up to 1,200mW@32Ω output (balanced connection).