link 1.0 Djem Guerreru Inc. https://www.djemguerreru.com 21600 JOITO's https://www.joitos.com https://cdn.joitos.com/GENERAL/10/106/1062/10629250.V0.jpg 400 250 https://www.joitos.com/item/26509781/Self%2DAmplified%2DPaging%2DSystem%2DControl - Includes (1) SA-IR infrared remote control- Easy to install- Drive up to 25 self amplified speakers- Separate volume controls for auxiliary input, paging, ringing tones, and background music- Choose from up to 4 loud ringing sounds- Provides lound ringing or night bell- Night transfer switch input- Page from a ringing C.O. line, centrex line, paging port, unused phone system trunk input (FXO), or ringing analog station port (FXS)- Can provide background music from an external source- 600 Ohm ouput to cascade to additional units- Use multiple units to drive more self amplified speakers- Expandable 12 speakers at a time with the Viking model SA-X12 expander/adapter 274.24 USD 1 Electronics & computer--Phone & telecom--Other