Hi/ Low Power Switch     

Receiver/Amplifier
Power :25 watts RMS@0.5%THD    
            30 Watts RMS maximum
Power Requirements :110V, 60Hz
Speaker Connections :for 2 speakers
Aux.Input  :2 RCA jacks
Auxiliary Volume Control :1
Mic Inputs: Balanced and unbalanced,(XLR, 1/4)
Line Output: 1/4

Loudspeakers (SP-777)  + Bracket(BKT-777)
Two (2) wall mounted speakers w/ 2 heavy duty steel mounting brackets
Transducers :4'' DIA each 16 Ohm
Magnets :High performance neodynium
Power rating :30 watts RMS, 150 - 15kHz
Speaker Weight :5.0 lbs. each, bracket 1.3 lbs each
Connection Terminals :Spring-loaded terminals

External Infrared Dome Sensors
Two (2) 360 degree ceiling mounted infrared sensors for optimal
coverage of infrared signal pickup throughout the entire classroom
Cable length :30 ft standard
Power :Powered by receiver
Size  :2.75''X1.38''X1.3''
Weight :3.0 oz each
Sensor Type :Infrared diode
Number of Diodes : 6
Reception Angle :360 Degrees

Storage Cabinet
Construction  :Lockable steel case stores mics
Door can be closed with all plugs & cables attached
Easy wall attchment wall-amplifier removeable
Built-in charging port  :For belt-pack transmitter & handheld mic
Dimensions (L x W x H) :10.6 x 4.75 x 11.8
Total System Weight:17 pounds, shipping weight 20 lbs.

Safety Approvals: ACWall adapter is C-UL/CE approved
                             safe for use in school, business,
                             government and church facilities

Warranty :6 years from date of purchase (PA only,all other parts one year)