SKU : TS-924
Categories : Sound PA ,  Microphone , 
Brand : TOA
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The TS-921 is a Chairman unit of the Infrared Conference system. Since the system is cordless, it can be easily installed and removed. The Chairman unit features a priority speech key which allows it to take precedence over the TS-922 Delegate units when speaking. It can be operated on either the AD-0910 AC adapter or the BP-920, BP-900A lithium-ion battery. It is equipped with a remaining battery indicator. Two types of dedicated microphones are made available for the TS-921 as optional products: the TS-923, TS-903 standard type and the TS-924, TS-904 long type.
| Name | Long Microphone Unit | 
| Model | TS-924 | 
| Type | Electret condenser microphone | 
| Directivity | Unidirectional | 
| Rated Impedance | 1.4 kΩ | 
| Rated Sensitivity | -37 dB (1 kHz 0 dB = 1 V/Pa) | 
| LED Indicator | Speech indicator (ring type) Red | 
| Frequency Response | 100 Hz - 13 kHz | 
| Output Connector | Equivalent to XLR-4-12C | 
| Flexible Part | 2 parts | 
| Operating Temperature | 0 to +40 (32 ゜F to 104 ゜F) | 
| Operating Humidity | 90 %RH or less (no condensation) | 
| Finish | Body: Aluminium, black, semi-gloss, paint Shaft: Copper alloy, black, semi-gloss, paint | 
| Length | 620 mm (2.03 ft) | 
| Weight | 150 g (0.33 lb) | 
| Applicable Unit | Chairman units: TS-821, TS-921 Delegate units: TS-822, TS-922 |