Alpine KTP-445 - 4-Channel

WiiM Amp Pro - 60 Watts/channel at 8 ohms;120 Watts/channel at 4 ohms

SMSL AO300 - Class D 2.1-channel 165W x 165W

SMSL AS400 - 2.1 Channel 165Wx2

WiiM Vibelink - 100W per channel

Bluesound Powernode Edge - 2-channel 40W x 2

Lab.Gruppen E10:4 - Class D 4 channels 1000 Watt

Yamaha PX8 - 800W per Channel Class-D Amplifier

HiFiMAN EF400 - class AB four-channel 4.4W

AKG HP4E - 4-channel

HiLetgo PAM8403 - Class D 2-channel 3W