Chairman Unit with Standard Microphone and Battery
Power:
Source: Lithium-ion battery (BP-920/BP-900A) or AC adapter (AD-0910)
Current: Max 390 mA
Battery Life: ~10 hours (1:2 speech/standby ratio)
Infrared System:
Wavelength: 870 nm (AM modulation)
Carrier Frequencies:
Tx: Ch1 (7.35MHz), Ch2 (8.10MHz), Ch3 (8.55MHz), Ch4 (9.15MHz), Control (6.45MHz)
Rx: 1.95MHz
Range: 7m radius
Audio I/O:
Mic Input: XLR-4-31
Outputs:
Monitor speaker (8Ω, 0.2W)
Dual headphone jacks (3.5mm mono)
Controls & Indicators:
Volume controls (monitor/headphone)
Priority speech function
LED indicators (speech/power)
Physical:
Dimensions: 205.7×70.3×164.2mm (8.1"×2.77"×6.46")
Weight: 525g (1.16lb)
Material: Black PC resin case, steel speaker net
Environment:
Operating Temp: 0°C to +40°C
Humidity: ≤90% RH (non-condensing)
Options:
Mics: TS-923/903/924/904
Batteries: BP-920/BP-900A