Rated Input 6 W (100 V line), 3 W (70 V line) Rated Impedance 100 V line: 1.7 kΩ (6 W), 3.3 kΩ (3 W), 10 kΩ (1 W) 70 V line: 1.7 kΩ (3 W), 3.3 kΩ (1.5 W), 10 kΩ (0.5 W) Sensitivity 91 dB (1 W, 1

The BS-634T can be installed easily on the wall with help of the plug-in speaker receptacle. Rated Input 6 W Rated Impedance 100 V line: 1.7 kΩ (6 W) 70 V line: 1.7 kΩ (3 W) Sensitivity 90 dB (1 W, 1 m) Frequency Response 120 – 18,000 Hz Speaker

Rated Input 6 W (100 V line), 3 W (70 V line) Rated Impedance 100 V line: 1.7 kΩ (6 W), 3.3 kΩ (3 W), 6.7 kΩ (1.5 W), 13 kΩ (0.8 W) 70 V line: 1.7 kΩ (3 W), 3.3 kΩ (1.5 W), 6.7 kΩ (0.8 W), 13 kΩ