Sphere speaker with 100 V line transformer and low impedance. POWER 20 W. 5 " Hi-Fi. Response 110-13,000 Hz. High Impedance Z. 100 V line: 500 Ohm (20W) 1,000 Ohm (10 W) 2,000 Ohm (5 W) Low Z: 8 Ohm. Sensitivity: 90 dB at 1 W / 1 m. Coverage: 360 ° horizontal x 180 ° vertical. IP-44. ABS extra resistant COLOR White (RAL 9002) CABLE 5 m. Measurements: 18 cm Ø x 16 cm high.