CEntrance HIFI-M8 V2 Battery-Powered Portable USB DAC HIFI-M8 V2
Amazon.com: Douk Audio P1 Vacuum Tube Bluetooth Preamplifier, GE5654 Audio Preamp, Hi-Fi Headphone Amp, Stereo Wireless Receiver with USB DAC & APTX-HD for Home Theater Amplifier/Active Speaker : Electronics
Amazon.com: USB C DAC - Portable 32 Bit/384kHz Dosmix Headphone Amplifier, HiFi Converter, Qualcomm chipset, Impedance 600Ω, SNR123dB, Premium Sound Enhancer for Android/Windows/MacOSX System Smartphone Laptop : Electronics
Amazon.com: 1Mii DS600 Audio DAC HiFi Bluetooth 5.0 Receiver LDAC& AptX HD, USB DAC for PC Headphone Amp 3.5mm, Dual ES9038Q2M XMOS DSD512 32Bit/768Khz, USB/Optical/Coaxial Input, RCA Out for Home Stereo :