3M 9001V KN90 Mask with Valve
Brand: 3M
Model: 9001V
Colour: White
Material: high-efficiency filter carbon material
Structure type: folding
Type: standard
Wearing method: ear strap৳ 450.003M 9001V KN90 Mask with Valve
৳ 450.00TOA PC-2852 15Watt Ceiling Speaker
- Rated Input: 15 W (100 V, 70 V line)
- Rated Impedance: 100 V line: 670 Ω (15 W), 1 kΩ (10 W), 2 kΩ (5 W), 3.3 kΩ (3 W); 70 V line: 330 Ω (15 W), 670 Ω (7.5 W), 1 kΩ (5 W), 2 kΩ (2.5 W), 3.3 kΩ (1.5 W)
- Sensitivity: 96 dB (1 W, 1 m) (500 Hz – 5 kHz, pink noise)
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