Are the speaker contacts potential-free?
Our loudspeaker outputs are potential-free. If no paging input occurs, the outputs is at or near zero voltage.
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Audio Files
What type of audio files can be uploaded into the Intercom or Office Ringer? RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, mono 8000 Hz, no spaces between words in the file title. You can use the free website utilities G711 File ...
Why Are My Speakers Humming/Buzzing? (Electrical Interference)
Electrical interference is when high-frequency signals induce a voltage onto an analog signal. This can cause incorrect readings or errors on the analog device. The effects of electrical interference can be minimized with the help of a number of ...
Compatible Analog Amplifiers
The Paging Server and Paging Adapter provide line-level audio output that is compatible with most analog paging amplifiers. Audio output is through two analog audio ports, one is a 600Ω balanced output and the other is an unbalanced 10K output. A ...
Audio files for Multicast Mode
What type of files can I send to the IP Speaker in Multicast mode? G711 u-Law or A-law 8 bit 8000 hz 160 byte packets every 20ms
Asterisk Settings for Speakers
What are the Asterisk settings to set up our paging speakers? For both IP Speaker and the Loudspeaker Amplifier, the settings are contained in the sip_additional.conf file in Asterisk. This file should read as follows in which "100" represents the ...