TechPowerUp published a review on the HIFIMAN TWS800 High Impedance True Wireless Earphones
A quote from the article:
HIFIMAN's new TWS800 is a true wireless set of earphones that has more in common with IEMs and some high-fidelity headphones than other TWS devices. Featuring a 150 Ω driver and dedicated amplifier module inside each earbud, this is a review you need to see to believe and appreciate!HIFIMAN TWS800 High Impedance True Wireless Earphones Review