Integrated with a resin panel and speaker frame, the ZS-658R is the ceiling mount speaker with a metal attached. It features spring clamp mechanism for easy speaker mounting to the ceiling. The input impedance can be easily changed by changing the tap position of the transformerRated Input 6 W (100 V line) Rated Impedance 100 V line: 1.7 kΩ (6 W), 3.3 kΩ (3 W), 10 kΩ (1 W)
Sensitivity 90 dB (1 W, 1 m) (500 Hz - 5 kHz, pink noise) Frequency Response 65 Hz - 18 kHz (peak -20 dB) Speaker Component 16 cm (6") cone-type Dimensions for Fixing Hole Mounting hole: φ170±5 mm (φ6.69"±0.2") Ceiling thickness: 5 - 25 mm (0.2" - 0.98") Speaker Mounting Method Spring clamp Finish Baffle: Polypropylene resin, white (RAL 9010 or equivalent color) Grille: Surface-treated steel plate net, white (RAL 9010 or equivalent color), paint Dimensions φ192 × 73 (D) mm (φ7.56" × 2.87") Weight 500 g (1.1 lb) Accessory Paper pattern …1