The Boss Ringer is a loud Universal Electronic Ringer designed for use in noisy locations or for wide area coverage. The Boss Ringer was designed for use with the Public Telephone Network and can also be used behind PBX and Key Systems with dry relay contact or analog stations ports.

Very loud!, up to 115 dB @ 70mA

- Works with any payphone or regular analog phone.
- Works on all phone systems, dry contact or 90 volt ringing
- Choice of 8 selectable sound patters: Horn, Bell, Warble H, Warble M, Warble L, Chime, Timeclock, Siren
- Choice of 2 operating voltages: 24VDC, 48VDC
- Can be attached to any phone line at any point in the line.
- Indoor / Outdoor use.
- Terminal screws or modular line cord plug-in
- Easy installation.
- Tamper resistant.
- Requires external power for maximum results (48VDC transformer included). Can be operated without external power, but at a reduced db level ( 95db ).
- Wire not included


Loop current range: 22 mA to 90 mA
POTS line, (B-1 or COCOT), loop start, standard dial tone 600/120 Hz
Ring Volume: Up to 115 dB