Fosi Audio DS1 DSD512 HiFi USB C DAC ES9038Q2M Mini Audio Headphone Amp Adapter Supports 32bit/768kHz with 4.4MM and 3.5MM Dual Headphones Outputs Compatible with Smartphones/Laptop/PC/Music Players - Walmart.com
DH80S DAC & AMP + 4.4mm Male to 2.5mm Female Balanced Adapter
TOPPING L70 Full Balanced NFCA Headphone Amplifier / Amp With Remote Control — HiFiGo
Looking for a good desktop DAC/AMP with 4.4mm out | Headphone Reviews and Discussion - Head-Fi.org