Topping A90D Review: Does a discrete design bring the heart and soul?

Topping A90D: 🇺🇸 & 🇨🇦 https://bit.ly/A90DApos 🌏 https://bit.ly/A90DLinsoul A review of the Topping A90D including comparison with the Singxer SA-1. Which is the best discrete headphone amp under $600? Let's find out! PASSION FOR SOUND RECOMMENDS Recommended Headphones & Earphones Headphones: https://bit.ly/RecHeadphones IEMs: https://bit.ly/RecIEMs Recommended Desktop Gear DACs: https://bit.ly/RecDACs Speaker amps: https://bit.ly/SpeakAmps Headphone amps: https://bit.ly/HPAmps DAC / HP Amp combos: https://bit.ly/DACAmp Recommended Portable Gear Wireless IEMs: https://bit.ly/TWSIEMs Wireless Headphones: https://bit.ly/WirelessHPs Dongles: https://bit.ly/RecDongles Bluetooth Dongles: https://bit.ly/BTDongles Digital Audio Players: https://bit.ly/DigitalAudioPlayers Recommended Speakers Passive Speakers: https://bit.ly/RecSpeakers Active Speakers: https://bit.ly/RecActSpeakers Other Recommended Products Cables: https://bit.ly/RecCables Other Devices & Accessories: https://bit.ly/MiscRecommend Join the Passion for Sound family:   / passionforsound   00:00 Introduction 00:49 Glamour video 01:36 Pricing & key features 03:51 A90D interface 05:50 About the ground lift switch 07:06 Sound quality 09:25 Topping A90D vs Singxer SA-1 14:37 Final conclusions Like the music in this video? You can get it here: https://www.epidemicsound.com/referra... Giveaway terms and conditions: https://bit.ly/PFSTandC SUPPORT THE CHANNEL Join my Patreon:   / passionforsound   One-off donations: paypal.me/lachfen Buy some merchandise: https://passion-for-sound.myspreadsho... Or put one of these links in your bookmarks for all of your future purchases of ANYTHING: 🌏 Linsoul: https://tinyurl.com/PfSLinsoul 🌏 HiFiGo: https://bit.ly/3og89Tn 🇺🇸 & 🇨🇦 Apos: https://tinyurl.com/Apos-P4S 🇺🇸 Amazon: https://amzn.to/3dtyiWQ 🇨🇦 Amazon: https://amzn.to/3xUl1Rc 🇦🇺 Amazon: https://amzn.to/2U7lqOp 🇬🇧 Amazon: https://amzn.to/3xaUMo 🌏 Drop: https://massdrop.7eer.net/d07P2 (Affiliate links help to support the channel - thank you!) Reviews filmed using: Sony ZV-1: 🇺🇸 https://amzn.to/32aa7Mw 🇨🇦 https://amzn.to/3clV4Bk 🇬🇧 https://amzn.to/3kGcSM4 🇦🇺 https://amzn.to/3CoXfyD Sony A7R III: 🇺🇸 https://amzn.to/3mnR0nS 🇨🇦 https://amzn.to/2St0uE5 🇬🇧 https://amzn.to/34YIWlU 🇦🇺 https://amzn.to/3g1b26q Sony FE 24mm F/1.4: 🇺🇸 https://amzn.to/3kuHVIf 🇨🇦 https://amzn.to/3jcChNd 🇬🇧 https://amzn.to/3pD2u98 🇦🇺 https://amzn.to/355SeMQ Blue Encore 300 mic: 🇺🇸 https://amzn.to/3oreKae 🇨🇦 https://amzn.to/3vVJwMj 🇦🇺 https://amzn.to/3g6NHjy Scarlett 2i2 Audio Interface: 🇺🇸 https://amzn.to/36hRFkn 🇨🇦 https://amzn.to/3dyCtmD 🇬🇧 https://amzn.to/3zfxvEa 🇦🇺 https://amzn.to/2RCeMC3 Neewer Bi-color 660 LED lights: 🇺🇸 https://amzn.to/2E1BNrh 🇨🇦 https://amzn.to/3xSwpgi 🇬🇧 https://amzn.to/3csS6Ly 🇦🇺 https://amzn.to/3g4Id90 #audiophile #audioreview #headphoneamp