Wired Conference Microphone, 25 Db Noise Rej, 40 Hz Freq,55Db 3Db , Speaker Management Sys Min2 Bal Xlr, 20 Hz22 Khz, Snr 100 Db , Wall Mount Speakers 40W-80W Rms,150W, Lf 4 6 Hf, 8 Ohm 100V, , Surface Mount Speakers40W 80W Peak 150 W 8 Ohm 100V 70 Hz 20K , Wiringinstallation And System Integration Cable Ofc 2 X 1 And 5 2And 2 And 5 Sq Mm Quantity: 19