Audio Science Review Reviews the HiFiMAN Sundara – Apos

For a complete newbie, recommend me headphones < 70K, Page 2

Two years with the Sennheiser HD6XXand a more critical perspective. : r/headphones

Affordable Headphone Cable Battle - Hart Audio vs Apos Flow

Hifiman Arya Stealth Review - Remolding a Classic into a Better Version - Soundnews

To get even better sound quality, TOPPING abandon the built-in DAC of QCC5125 and connect its digital signal to ES9038Q2M to decode. The DX3Pro+ uses 2nd generation 8 core XMOS XU208, USB supports up to PCM32bit/768kHz and DSD512 native. The new DX3Pro+ has the NFCA circuit optimized for this unit, giving the ultra low noise and distortion. This provides pristine sound quality.

Topping DX3pro+ LDAC NFCA Headphone Amplifier ES9038Q2M XMOS XU208 Pre Amp USB/Opt/Coax/Bluetooth DSD512 PCM768 Hi-Res Audio DAC DX3pro Plus with

Hifiman Sundara Review (headphone)

HIFIMAN SUNDARA REVIEW: Versatile and maturely tuned Precision King – No Borders Audiophile

FiiO Q3 THX Balanced DAC/Amplifier - Reviews Headphone Reviews and Discussion

Hifiman Sundara Review (headphone), Page 36