Konftel KTPAMFG 900102087Public Address (PA) interface box for connection to external loudspeaker and microphone systems, RCA in/out, includes 2.5m cable. Note: For use with 300, 300IP and 300IPX only. Special Order, No returns or cancellations. Technical specificationsAnalog Paging DevicesKonftelPricing for this product is currently unavailable. Please call Gentek for more information.