Amazon.com: 1Mii Lavaudio DS400 Portable DAC/Headphone Amplifier Stereo Supports 768K/32Bit and Native DSD512, Hi-Res Hi-Fi for PC Headphone Out/3.5/4.4 mm/Coaxial/Optical Out Windows/Android/iOS Compatible : Electronics
Amazon.com: FX-Audio DAC-X6 Mini HiFi 2.0 Digital Audio Decoder DAC and FX 502E-L Bluetooth 5.1 Stereo Audio Amplifier Receiver 2 Channel : Electronics
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
Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Mini Hi-Fi Stereo Digital-to-Analog Audio Converter USB Type C/Optical/Coaxial to RCA/3.5MM AUX for PS5/PC/MAC/Computer
Amazon.com: SHANLING UA2 Portable Headphone Amplifier,Headphone Tiny Amps,USB DAC Balanced High Resolution Support 32bit/768kHz and DSD512 Headphone Outputs 3.5mm/2.5mm for Phone/Player/Nintendo Switch/Laptop/PC : Electronics
ONKYO portable headphone amplifier DAC equipped with Black DAC-HA200(B) [Japan Impot] : Amazon.com.au: Electronics
Amazon.com: Fosi Audio - DAC Q4 Mini Stereo Gaming DAC & Headphone Amps and BT20A-S Bluetooth Amplifier : Electronics
Amazon.com: FiiO K5Pro Amplifier Headphone Amps Stereo High Resolution Portable Desktop DAC 768K/32Bit and Native DSD512 for Home Audio/PC 6.35mm Headphone Out/RCA Line-Out/Coaxial/Optical Inputs (K5PRO ESS) : Electronics
Amazon.com: FX Audio DAC-SQ3 Mini USB DAC XMOS XU208 ES9038Q2M 32bit/384KHz Audio Amplifier Decoder Black : Electronics
Fosi Audio K5 Pro Gaming DAC Headphone Amplifier Mini Hi-Fi Stereo Digital-to-Analog Audio Converter 24-Bit 192 kHz USB Type C/Optical/Coaxial to RCA/3.5MM AUX for PS5/PC/MAC/Smartphone/Computer : Amazon.ca: Electronics
LOXJIE A30 Desktop Stereo HiFi Audio Power Amplifier & Headphone Amplifier, Infineon's MA12070 Chip Class D
Amazon.com: Topping DX1 Mini Stereo DAC Headphone Amplifier Combo - 280mW x2 Powerful Output Two-Stage GAIN Switch USB Chargable Discrete LNRD AK4493S XU208 384kHz/32bit Native DSD256 HiFi Home Audio (Black) : Electronics
Amazon.com: FiiO Q3 Amplifier Headphone Amp High Resolution DAC DSD512 for Smartphone/PC/Laptop/Home/Car Audio 2.5/3.5/4.4mm Output : Electronics
Amazon.com: Topping DX5 MQA DAC Headphone Amp Full Balanced Audio Decoder ES9068AS*2 Chip NFCA USB/Optical/Coaxial Full MQA Decoding DA Converter Bluetooth LDAC XLR/RCA Output Headphone Amplifier (Black) : Electronics
Fosi Audio Q4 Headphone Amplifier Mini Stereo DAC 24-Bit 192 KHz USB Optical Coaxial to RCA AUX Digital-to-Analog Audio Converter Adapter for Home Desktop Powered Active Speakers
AIYIMA DAC-A2 Headphone Amplifier DAC with Bass Treble Controls PC-USB/Optical/Coaxial Inputs, RCA/3.5mm Headphone Ouput Digital to Analog Desktop Audio Converter 5V 24Bit 192kHz
Amazon.co.jp: SUCA DAC-Q5 Desktop DAC Decoder Bluetooth Fiber Optic Coaxial USB to Analog Lossless Decode Amplifier HIFI Heat (Standard Version + Power Supply, Black) : Electronics
Amazon.com: KGUSS DAC-K3 PRO USB DAC Headphone Amplifier Mini HiFi Optical/Coaxial/USB DAC Decoder Audio 24Bit 192KHz DA Converter ESS9018K2M Decoder Multifunctional Preamp Desktop Amplifier (Black) : Electronics
Amazon.com: Nero Stream 200W App Controlled Power Amplifier, 2 Channel Class D, Built-in DAC, WiFi Bluetooth Optical USB RCA Inputs - OSD Audio : Electronics