The NTE0505MC from Murata is an isolated
Transducer Function Speaker Power Rating RMS 200mW Frequency Response Min - Resonant Frequency - Frequency Response Max - Product Range - Sensitivity (dB) - Impedance 8ohm Other details
RC55 Series product from WELWYN with the model number RC55Y-931RBIProduct details
Avoid dust
This could be different bands performing simultaneously in the same hall
KNITTER-SWITCH MPA206R Pushbutton Switch, On-(On), DPDT, 250 V, 30 V, 6 A, Solder Global Truss ARCH/SYSTEM The NTE0505MC from Murata isThis is a Pushbutton Switch, On (On), DPDT, 250 V, 30 V, 6 A, Solder product from KNITTER SWITCH with the model number MPA206RProduct details Contact Voltage DC Nom 30V Switch Operation On (On) Contact Voltage AC Nom 250V Switch Terminals Solder Contact Configuration DPDT Product Range MPA Series Contact Current Max 6A Other details Brand KNITTER SWITCH Part Number MPA206R Quantity Each Technical Data Sheet EN All product and company names are