Personal Hi-Fi
Personal HiFi is Questyle’s product family built around personal listening.
Encompassing the Sigma, Mobile, and NHB series. It starts with the devices and headphones people use and the ways they listen, bringing high-fidelity sound naturally into everyday life.
Whether listening intently at a desk or enjoying music while commuting or traveling, Personal HiFi makes it easy to experience the detail and emotion in music, giving everyone a high-quality listening experience of their own.
Explore Our Personal Hi-Fi
SIGMA Series
SIGMA, the 18th letter of the Greek alphabet, represents "summation." This name perfectly encapsulates our vision: to create an audio device that embodies the ultimate convergence of sound.
Mobile Series
Questyle M Series Mobile Headphone Amplifier with DAC
encapsulate the essence of our technology from the past
decade. They enable audiophiles to pair with traditional Hi-Fi
headphones and enjoy lossless audio content from streaming
platforms anytime, anywhere, ensuring an unparalleled
immersive listening experience.
NHB Series
From studio to in-ear, the world's first true lossless (TLS)
earphones. Building on over 10 years of Questyle's "True
Lossless Sound" heritage, the NHB series earphones feature
a self-developed, patented Current Mode audio SiP chip.
Paired with Apple Music's lossless content, they eliminate the
need for complex traditional audio equipment, offering a
seamless plug-and-play experience for enjoying pristine
lossless sound
