There are devices that might meet your requirements to eliminate or reduce vocals.

https://smile.amazon.com/Singtrix-Bundle-Premium-Karaoke-System/dp/B00JBJ2HNO

https://smile.amazon.com/RHM-Wireless-Microphones-Bluetooth-Professional/dp/B07RB5BHYV

https://smile.amazon.com/Carpool-Wireless-Bluetooth-Microphone-Changing/dp/B0971GLHR9?ref_=ast_sto_dp&th=1

https://smile.amazon.com/Singing-Machine-SML385UBK-Bluetooth-Microphone/dp/B01EVKUHI4