Dongle DACs Review: Questyle QCC & QCC Pro Bluetooth Dongles Bring LDAC and aptX Adaptive to iPhone Users Questyle’s QCC ($59) and QCC Pro ($99) finally bring aptX Adaptive and LDAC to iPhone and iPad, giving Apple users higher resolution Bluetooth audio. W. Jennings1 day ago
Dongle DACs Questyle M18i Review: The Dongle DAC That Refuses To Be One? The Questyle M18i blurs the line between dongle and desktop DAC, offering current-mode amplification, wired and wireless versatility, and exceptional sound quality—but short battery... W. Jennings3 days ago
Headphone Amps Questyle Unveils Flagship Sigma Portable DAC/Amps with Support for Bluetooth LE Questyle's Sigma Pro ($899) and Sigma ($599) portable DAC with headphone amplifiers offer Current Mode Amplification, Bluetooth LE, and LDAC. Robert SilvaOctober 9, 2025
Ask an Expert WTF Is a Bluetooth LE Transmitter and Why You Might Want to Hold Off on Replacing Your Devices A new wave of Bluetooth USB-C adapters extend the life of laptops, iPads and phones by enabling higher audio quality to wireless headphones. W. JenningsAugust 24, 2025
Dongle DACs Questyle M12i and M15i Dongle DACs Reviewed: Which One Makes the Most Sense For You? Our favorite Dongle DACs drop support for MQA, but earn Apple MFi Certification. Find out if either upgraded version is right for you. W. JenningsApril 6, 2025
Articles Best Dongle DACs: 2022 Buying Guide Questyle, DDHiFi and Hidizs earn top honors in our Best Dongle DACs of 2022 Buying Guide. Ian WhiteNovember 4, 2022
Articles Best Dongle DAC: Editors’ Choice 2024 With the Dongle DAC market shaking itself out in 2024, the $129 Questyle 15c leapfrogged the competition. W. JenningsDecember 16, 2024
Dongle DACs Questyle M15c Dongle DAC Review: A New Reference Below $150 for A Wide Range of Headphones? At $129, the Questyle M15c Mobile Headphone Amplifier with DAC is priced between the M12i and M15i. Find out which one is right for... W. JenningsDecember 6, 2024
Dongle DACs Questyle M12 USB DAC/Headphone Amplifier: Review The $139 Questyle M12 USB DAC/Headphone Amplifier is not without some quirks but it's one of the best Dongle DACs around. W. JenningsJanuary 5, 2022
Dongle DACs Questyle’s 2nd Gen M12i and M15i Dongle DACs are Apple MFi Certified 2nd generation Questyle M12i and M15i dongle DACs quietly drop support for MQA, while improving compatibility with Apple devices. Brian MitchellFebruary 7, 2024
Articles Questyle M15 Dongle DAC/Headphone Amplifier: Editor’s Choice 2023 Not every Dongle DAC/Headphone amplifier plays nicely in the sandbox with Apple iPhones and Android smartphones. The Questyle M15 excels with both. W. JenningsDecember 31, 2023
IEMs Questyle NHB12 In-Ear Wired Earbuds for iPhone: Review Products like the Questyle NHB12 wired earbuds should have been released years ago. Fortunately good things come to those who wait. W. JenningsDecember 24, 2023
Dongle DACs Questyle M12 Dongle DAC is $139 & One Potent Headphone Amp The $139 Questyle M12 Dongle DAC/Headphone Amplifier is here and it works with every format and platform there is. DragonFly killer? Quite possibly. Ian WhiteJune 24, 2021
Dongle DACs Questyle M15 Dongle DAC/Headphone Amplifier: Review Does the Questyle M15 Dongle DAC deliver more for less and rival the Cayin, AudioQuest, and THX Dongle DACs? W. JenningsSeptember 19, 2022
DACs Questyle CMA Fifteen Headphone Amp and DAC Celebrates 15 Years The Questyle CMA Fifteen Headphone Amp/DAC celebrates 15 successful years since the launch of the Chinese high-end audio brand. Brian MitchellDecember 1, 2021
Headphone Amps Questyle CMA Fifteen DAC/Headphone Amplifier: Review There's a lot to test with the CMA Fifteen and this $2500 DAC Headphone Amplifier handled it all exceptionally well, but is it right... W. JenningsFebruary 1, 2022