Hochiki CHQ-WS2 Addressable Wall Sounder (ESP)
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Hochiki CHQ-WS2 Addressable Wall Sounder (ESP)
Hochiki CHQ-WS2 loop-powered addressable wall sounder for ESP fire alarm systems, with 51 selectable tones and 90 to 102 dB(A) output. Red and white versions; IP65 with the WS2-WPK weatherproofing kit.
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Key specifications
| Model | CHQ-WS2 (red); CHQ-WS2(WHT) (white) |
| Type | Addressable, loop-powered wall sounder |
| Operating voltage | 17 to 41 V dc |
| Quiescent current | About 150 µA with YBO-R/3 base; about 200 µA with YBO-R/SCI base |
| Sounding current | About 2 mA (90 dB(A)) to about 8 mA (102 dB(A)) |
| Sound output | 90 to 102 dB(A) ±2 dB(A) at 1 m (at 24 V dc or above) |
