Wireless powered companion speaker for Hailer Family - Includes a built-in 50-watt amplifier that drives a 60-watt horn and wireless receiver for a cordless link between the main PA and the S1244-70. (Transmitter not included - this model must receive its signal from an S1244-70's master transmitter). New feature: Emergency Siren Button.

• Wireless Powered Companion Speaker for Hailer Family - Includes a built-in 50-watt amplifier that drives a 60-watt horn and wireless receiver for a cordless link between the main PA and the S1244-70. (Transmitter not included - this model must receive it

• Speaker