Models AM25CK AM70CK 300CK E300CK and T300CK Connector Kits allow existing public address systems to be expanded through SelecTone® amplified speakers by converting and conditioning the incoming audio signal to the required input level for the amplifier within the speaker.
Selectone Universal Tone Module UTM, Microcontroller-Based Tone Generator, 32 DIP-switchable Tones, RFI and EMI shielded, UL, cUL, CSA, CSFM