Specification sheet for WK WK-820A/CH and WK-810A/CH audio amplifiers, covering dimensions, power, and control options.
The WK-820A/CH and WK-810A/CH are audio amplifiers designed for use with an expanded emergency operation system. They support up to 20 or 10 selectable zones respectively and can be integrated as cabinet‑type remote controllers.
Both models operate from a 24 V DC power source, have identical physical dimensions of 480 mm × 88 mm × 50 mm, and weigh 1.5 kg. The devices include zone selection switches, playback and emergency indicators, as well as global select and reset buttons.
| Power supply (WK-820A/CH) | DC 24 V 0.15 A |
|---|---|
| Power supply (WK-810A/CH) | DC 24 V 0.08 A |
| Dimensions (both models) | 480 mm (W) × 88 mm (H) × 50 mm (D) |
| Weight (both models) | 1.5 kg |
| Zone selection switches (WK-820A/CH) | 20 zones |
The WK-820A/CH supports 20 selectable zones.
It requires a DC 24 V power source with a current of 0.08 A.