Excellent Audio M2

DAC Moondrop Echo-B Echo B 32Bit/384kHz Portable USB Type-C to Headphone DAC/AMP with 4.4mm Full Balanced Jack Adapter

Dongle DAC Moondrop Echo-A Portable / Dongle DAC AMP 3.5mm Single Ended to USB Type C support MIC

Amplifier Cayin BTC-2 Bluetooth DAC and Headphone Amplifier

Amplifier CAYIN C9ii / C9 ii / C9 Mark 2 TOTL Portable Headphone Amplifier

FiiO Jade Audio KA15 / KA-15 / KA 15 Portable DAC / AMP Dual DACs + Dual Op-Amps Chip Supports Hi-Res

FiiO BTR13 / BTR-13 / BTR 13 Portable Bluetooth DAC and Headphone Amplifier

DAC iFi GO Bar Kensei Portable DAC/Amplifier - Full MQA Decoder For Android & iPhone

SMSL D10 / D-10 / D 10 Portable USB Headphone Amplifier DAC Chip 2*CS43131 3.5mm 4.4mm Balanced Dual Jack DSD256 32bit/384kHz 500mW 121dB

Amplifier DAC DD ddHiFi TC35Pro 2nd Gen Eye2 (E2), USB-C to 3.5mm DAC Dongle, CS43131/ES9603Q Chips, 32bit/384kHz PCM / Native256

Amplifier Dongle DD ddHiFi TC44Pro E2 Type-C to 4.4mm Balanced USB DAC Amplifier