Questyle's Sigma Pro ($899) and Sigma ($599) portable DAC with headphone amplifiers offer Current Mode Amplification, Bluetooth LE, and LDAC.
Gear Patrol on MSN
The Best New Gadgets and Hi-Fi Releases of 2025 (Updated)
Including Kanto Audio's first-ever turntable, Sennheiser's noise-canceling headphones, and an affordable amplifier unlike anything else.
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