Tronix A53-Z4 - 4 Zone 4×15watt

Donner MAMP5 - 4 Channel 440W

DSPPA DM858 - 4 channels 80 W

Herdio 4-Channel Amplifier - 200W

STUDIOFINIX 4-Channel Wall Mount Amplifier

Donner Stereo Receivers - 4 Channel

Pyle PTA66BT - 6 Channel 600 WATT

TIKATARER Headphone Amplifier - 4 Channel

Nobsound Lepy Hi-Fi Stereo Multimedia 4-Channel 180w Power Amplifier

Audirect ATOM 4

SENECESLI 4 Channel Portable Stereo Headphone Amplifier