Dayton Audio - DTA-100ST 100W Desktop Stereo Amplifier with Bluetooth 5.0
Fosi Audio Q4 Stereo Amplifier Mini DAC Receiver 24-Bit 192 KHz USB Optical Coaxial to RCA AUX Digital-to-Analog Audio Converter Adapter for Home Desktop Powered Active Speakers : Amazon.ca: Electronics
TEAC's AI-303 USB DAC Stereo Amplifier Is Ideal For The Desktop - ecoustics.com