Why my Mojo 2 is feeling threatened. Questyle Sigma review

Questyle Sigma review Global* - https://amzn.to/3MCTNuN *affiliate links help support the channel - thank you! Need help? Message me on Minnect: https://bit.ly/HiFiHelp Join my Patreon community: https://www.patreon.com/passionforsound Become a Passion for Sound YouTube member: https://bit.ly/PFSMember Get MERCH! https://bit.ly/PFSMerch In this audiophile review, I'm taking a deep dive into the Questyle Sigma DAC and Headphone Amplifier, a portable powerhouse priced competitively against top contenders like the Chord Mojo 2. Typically, I avoid getting too technical, but you need to understand the physics behind Questyle's patented Current Mode Amplification (CMA) technology to appreciate its exceptional sound quality. Unlike traditional voltage mode amplifiers that are limited by circuit stability, the Questyle Sigma excels in its incredible speed and fast response time by fluctuating current instead of voltage. The result is an effortlessly smooth, natural, and transparent sound that delivers stunning clarity and detail extraction. With its powerful 1.2W balanced output and a fantastic low-noise IEM mode, this portable DAC/amp is a perfect solution for driving both sensitive IEMs and demanding planar magnetic headphones. I compare it to the Mojo 2 and Cayin RU9 to see where the Sigma truly sits in the market for the best Hi-Fi audio experience. BEST AUDIO BARGAINS BELOW! World's Best Cable Pro interconnects Review - https://bit.ly/44b8KtW Global* - https://amzn.to/3UOFtAN AU* - https://amzn.to/4et9NrE Tipsy M1 IEM Review - https://bit.ly/48del5v https://tipsyaudio.com/ Apos Gremlin headphone amp Review - https://bit.ly/43FZjna Global* - https://bit.ly/GremlinAmp SMSL M20 DAC & headamp Review - https://bit.ly/4oManqu Global* - https://amzn.to/3YRxG79 AU* - https://amzn.to/3YiX59I Schiit Mimir DAC Review - https://bit.ly/4r3cuaI Global - https://bit.ly/484APo8 FiiO FT1 headphones Review - https://bit.ly/4lfVCLd Global* - https://amzn.to/4iC4VTG AUS* - https://amzn.to/3Rmdp5q FiiO M21 digital audio player Review - https://bit.ly/3K3PzeU US & CA* - https://bit.ly/FiiOM21DAP Global*: https://amzn.to/3HS7wfe AUS*: https://amzn.to/47dKIkB xDuoo TA-66 tube amp Review - https://bit.ly/448jRoo US & CA* - https://bit.ly/xDuooTA-66 Global* - https://amzn.to/3VWWSYS AUS* - https://amzn.to/45MagTc SMSL AS400 speaker amp & DAC Review - https://bit.ly/480NiZQ Global* - https://amzn.to/3JkFxWi AUS* - https://amzn.to/48DC6oa Topping DX5 II DAC & headamp Review - https://bit.ly/47PmfR2 US & CA* - https://bit.ly/4mjCLy8 Global* - https://amzn.to/4ncA8zm AU* - https://amzn.to/4psgLni ADAM D3V active speakers Review - https://bit.ly/4rhHeoO Global* - https://amzn.to/4hw2Doo AU* - https://amzn.to/3Ctaap6 SMSL RAW-DAC1 DAC Review - https://bit.ly/43EXDKC US & CA* - https://bit.ly/RAWDAC1 Global* - https://amzn.to/4hgqgkJ AUS* - https://amzn.to/3PxxW6q Aune S17 Pro EVO headamp Review - https://bit.ly/4o2nrXF Global* - https://amzn.to/4jU7AZx SMSL PL200T CD transport Review - https://bit.ly/4o9LDaE US & CA* - https://bit.ly/SMSLPL200T Global* - https://amzn.to/3IKlkIQ AU* - https://amzn.to/46XOGNU Nitsch Pietus Maximus headamp Review - https://bit.ly/49nY3Yy Global - https://bit.ly/3JQqkwC Shanling EC Zero T portable CD player Global* - https://amzn.to/47U9RR1 AU* - https://amzn.to/47DiMFc Chord Mojo 2 DAC & headphone amp Review - https://bit.ly/43F0Rhg Global* - https://amzn.to/3E5GNKj AUS* - https://amzn.to/4i4vAI3 FiiO K17 DAC, headamp, streamer & preamp Review - https://bit.ly/42hKvIX US & CA* - https://bit.ly/FiiOK17 Global* - https://amzn.to/3QWziIH AUS* - https://amzn.to/42bZRyJ SJY Horizon Closed Carbon headphones Review - https://bit.ly/3DTKMd5 Global* - https://bit.ly/SJYHCCA ZMF Bokeh headphones Review - https://bit.ly/4hXLhAN Global - https://bit.ly/42vMLwo EverSolo T8 streamer Review - https://bit.ly/4pdmo7V Global* - https://amzn.to/4gjdSkx AU* - https://amzn.to/4gmIIsL Topping D900 DAC Review - https://bit.ly/4oJNoMP US & CA* - https://bit.ly/TopD900 (Apos) Global* - https://amzn.to/44D157g AU* - https://amzn.to/4kAt1i9 ADAM A7V active speakers Review - https://bit.ly/4i2hO8L Global* - https://amzn.to/43mIbma AUS* - https://amzn.to/4i7oMJP LTA Velo headamp/preamp Review - https://bit.ly/42Eeknp Global - https://bit.ly/LTAVelo Gustard X30 DAC Review - https://bit.ly/4p93yij Global* - https://bit.ly/GUSTARDX30 Amzn* - https://amzn.to/3LenKRj AU* - https://amzn.to/47zlhs2 00:00 Questyle Sigma review 00:43 Current mode amps 03:45 Sound quality 05:54 Features & design 08:43 Another comparison #audiophile #headphoneamp #dac #portableaudio #hifiaudio #personalaudio #currentmodeamplification #questyle #questylesigma #chordmojo2 #cayunru9 #headphonedac #hifisound #hifireview #musiclover