The ZS-646R is the ceiling mount speaker with a metal attached. It features spring clamp mechanism for easy speaker mounting to the ceiling.

Rated Input : 6 W
Rated Impedance : 1.7 kΩ (6 W), 3.3 kΩ (3 W), 6.7 kΩ (1.5 W), 1.3kΩ (0.8W) for 100V line
1.7 kΩ (3 W), 3.3 kΩ (1.5 W), 6.7 kΩ (0.8 W), 1.3kΩ (0.4W) for 70V line
Sound Pressure Level : 90 dB (1W/1m)
Frequency Response : 100 Hz - 12,000 Hz
Speaker Component : 12 cm dynamic speaker
Dimensions : Φ191 × 84 (D) mm
Weight : 620 g