Viking M2W Key Phone Paging Amplifier - extension bell for phone

The M2W is designed to amplify the paging announcements and ringing tones of key system telephone speakers in noisy areas. The M2W can also be used to boost the paging capacity of other paging amplifiers. The M2W comes complete with one 25AE 8 ohm paging horn, an amplifier and a plug-in transformer.