Questyle SIGMA Pro Portable BT DAC with Headphone Amp

Patented Current Mode Amplifier with a fully discrete Fully balanced design delivers professional-grade performance from a portable form factor. Balances powerful drive with low power consumption Featuring a peak output power >5V and load distortion as low as 0.0002%. Equipped with dual ESS9069 DAC chips Top-tier decoding performance up to PCM768kHz and DSD512 Apple MFi certified, seamless integration within the Apple ecosystem. Qualcomm Snapdragon Sound and Sony LDAC, enabling wireless enjoyment of lossless audio.  3.5mm, 4.4mm, & 6.35mm headphone output jacks Combined with manual gain control Built-in 4300mAh high-capacity battery provides up to 12 hours of single-charge battery life Dual USB-C port design supports charging while listening, eliminating battery anxiety.