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The BA-704 music on-hold adapter can handle three or four lines, to give you music on-hold ability for your KSU-less phones. This version of our BA-704 music on-hold unit was designed specifically for three or four line KSU-less phones; to provide you with as quick and painless a connection, of this system, as possible.
This system connects directly to the telephone lines and can be used by all of the phones on it's lines; you can place someone on hold, through the BA-704 music on-hold unit, on one phone and pick them up on a different phone without hassle.
This unit provides excellent audio quality for connection to any audio source through an industry standard RCA audio jack; from inexpensive tape decks to the latest digital playback units, you won't be disappointed.
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