A-NeuVideo CPLUS-V4H4 4x4 Matrix With Audio Routing Switcher

Zektor PROAUDIO8 DSP AUDIO MATRIX AUD-800

Zektor ProAudio16 DSP Audio Matrix Pulse Eight Multi-Zone Made In UK Rack Mount

Zektor PROAUDIO16 DSP AUDIO MATRIX AUD-1600D

KD-MS4x4G 4x4 4K 18G HDMI Matrix Switch with Independent Audio Routing

Key Digital KD-MS4x4G 4K 18G HDMI Matrix Switch with Independent Audio Routing

OREI 8K eARC HDMI Matrix Switch 4 X 2,Switcher with Audio Extractor UltraHD.