Douk Audio ST-01 PRO 200W Bluetooth Amplifier, 2 Channel Vacuum Tube Power Amp with USB DAC/Coaxial Optical Inputs/VU Meter/Treble Bass Control for Home Theater/Stereo Speakers (Upgrade Version)
Douk Audio
FiiO K11 DAC and Headphone Amplifier for Home Audio or PC, 6.35mm and Balanced 4.4mm, RCA, Coaxial, Optical, 1400mW, 384kHz/24Bit DSD256 (Silver)
FiiO
FiiO K5Pro ESS 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 (Red)
FiiO
iFi GO link - DAC & Amplifier - USB-C to 3.5mm Adapter - Improve Headphone Sound from any Device - Gold-plated 3.5mm Headphone Socket – Flexible Cable - Supports Hi-Resolution 32-bit/384kHz/DSD256/MQA
iFi