Hifiman Sundara with a Topping A90! Do You Really Need a Dedicated Headphone Amp?

Affiliate Links: Topping A90: https://apos.audio/collections/headphone-amps-preamps/products/topping-a90-headphone-amp?sca_ref=620104.0Wmq4p3spz Hifiman Sundara: https://apos.audio/collections/headphones/products/hifiman-sundara-planar-magnetic-headphones?sca_ref=620104.0Wmq4p3spz Apos Flow Cable: https://apos.audio/collections/cables-for-in-ear-monitors-iem-earbuds-earphones/products/apos-flow-headphone-cable-hifiman-sundara-ananda-arya-susvara?sca_ref=620104.0Wmq4p3spz Apos Flow Review by Passion For Sound: https://youtu.be/x3_ciWC1M7E MOD Instagram: @myown.devices Patreon: Patreon.com/myowndevices Best Hi-Fi Speakers High-End Audio Gear Audiophile Music Collection Hi-Fi System Setup Top Audio Amplifiers Hi-Fi Speaker Reviews Vinyl Record Collection Hi-Fi Equipment Showcase Audiophile Headphones Hi-Res Audio Players Hi-Fi Tube Amplifiers Best DACs for Audiophiles Hi-Fi Stereo Sound Turntable Setup Tips Audiophile Listening Room High-Fidelity Audio Cables Vintage Hi-Fi Gear Hi-Fi Tweaks and Upgrades Audiophile Jazz Recordings Hi-Fi Audio Demos Audiophile Classical Music Hi-Fi Speaker Comparisons High-End Audio Brands Hi-Fi Audio Streaming Audiophile Power Conditioners Hi-Fi Audio DIY Projects Audiophile Vocal Recordings Hi-Fi Speaker Placement Best Hi-Fi Integrated Amplifiers Audiophile Electronic Music Hi-Fi Audio Shows and Events Audiophile Hi-Fi Unboxings Hi-Fi Stereo Receiver Reviews Audiophile Acoustic Treatments Best Hi-Fi Record Players Hi-Fi Audio Product Comparisons Audiophile Blues Recordings Hi-Fi System Buying Guide Hi-Fi Speaker Shootouts Audiophile Live Music Recordings Hi-Fi Audio Restoration Tips Best Hi-Fi Bookshelf Speakers Audiophile Rock Music Collection Hi-Fi Audio Calibration Techniques Audiophile Soundtrack Recordings Hi-Fi Amplifier Class Comparisons Audiophile World Music Selections Hi-Fi Speaker Cable Upgrades Audiophile Bass Recordings Hi-Fi Audio Room Acoustics