OnePlus Buds Pro 3 Wireless Earbuds, Dual Drivers in-Ear Buds, Dual DACs, Dynaudio EQs, Up to 50dB Adaptive Noise Cancellation, Up to 43Hrs Battery (Midnight Opus). 【Dual Drivers + Dual DACs】oneplus buds pro 3 adopts 11mm woofer and 6mm tweeter, each tuned by its own Digital-to-Analog Converter (DAC).
eBay