Fosi ZA3 Stereo vs Mono: HEAR the Difference! (Free Upgrade Mod)

In this video, I'll see if getting an additonal ZA3 and running your speakers in mono will gain any performance. I'll also include a free upgrade trick to improve the ZA3's sound quality. Check out the Fosi ZA3 here: Official Store: https://fosiaudioshop.com/products/fosi-audio-za3-balanced-dual-mode-class-d-amplifier?sca_ref=7181416.6BliyHag3V Amazon: https://amzn.to/4aCIKK7 Aliexpress: https://s.click.aliexpress.com/e/_c31TRBel Check out the ZD3 here: Official Store: https://fosiaudioshop.com/products/fosi-audio-za3-balanced-dual-mode-class-d-amplifier?sca_ref=7181416.6BliyHag3V Amazon: https://amzn.to/4aCIKK7 Aliexpress: https://s.click.aliexpress.com/e/_c3U7TrAN Featured Products on AliExpress: https://s.click.aliexpress.com/e/_c3bxZtid AliExpress Discount Codes: $3 off on orders over $29:【IFPF0TLK】 $6 off on orders over $59:【IFPXHCP6】 $9 off on orders over $89:【IFPLRRLM】 $16 off on orders over $149:【IFPMEASC】 $23 off on orders over $199:【IFPK8OAR】 $30 off on orders over $269:【IFPYNH5C】 $40 off on orders over $369:【IFPDLJO6】 $50 off on orders over $469:【IFP9EPSF】 $60 off on orders over $599:【IFPCXDZK】 $70 off on orders over $699:【IFP2MYJA】 Fosi Audio Offical Store: https://fosiaudioshop.com?sca_ref=7181416.6BliyHag3V Wharfedale Denton 80th: https://amzn.to/4fSDt20 https://youtu.be/ijlyqs_Gp3s Timestamps 0:00 - Introduction 0:29 - Benefits 1:01 - Free Performance Upgrade 1:50 - Sound Demo & Gear Used 2:21 - Vocals - 1x ZA3 in Stereo (Stock) 3:11 - Vocals - 2x ZA3 in Mono (Stock) 4:00 - Vocals - 2x ZA3 in Mono (Opamps removed) 4:49 - Acoustic - 1x ZA3 in Stereo (Stock) 5:38 - Acoustic - 2x ZA3 in Mono (Stock) 6:26 - Acoustic - 2x ZA3 in Mono (Opamps removed) 7:15 - Drums - 1x ZA3 in Stereo (Stock) 7:56 - Drums - 2x ZA3 in Mono (Stock) 8:37 - Drums - 2x ZA3 in Mono (Opamps removed) 9:17 - Classical - 1x ZA3 in Stereo (Stock) 9:59 - Classical - 2x ZA3 in Mono (Stock) 10:40 - Classical - 2x ZA3 in Mono (Opamps removed) 11:21 - Subjective impressions Apple Music Test Track Playlist: https://music.apple.com/hk/playlist/audio-test-tracks/pl.u-11zBXLoiZBWo5W?l=en-GB Want me to review something? Contact me. latenightunbox@gmail.com Affiliate Links to help support the channel: Amazon (US): https://amzn.to/4bPgVy5 AliExpress: https://s.click.aliexpress.com/e/_DFpBabt Akko Gear: https://en.akkogear.com/?ref=64356 Fosi Audio: https://fosiaudioshop.com?sca_ref=7181416.6BliyHag3V Monsgeek: https://www.monsgeek.com/?ref=LNUnboxing Luminkey: https://www.luminkey.com/?ref=yfbewqxc