Power Source

• Supplied from optional lithium-ion battery or AC adapter

Current Consumption

• Max. 390 mA

Infrared Emitter / Detector

Wavelength

• 870 nm (AM: Brightness modulation)

Modulation Method

• Frequency modulation

Carrier Frequency

• Transmission: 
  Audio channel 1: 7.35 MHz
  Audio channel 2: 8.10 MHz
  Audio channel 3: 8.55 MHz
  Audio channel 4: 9.15 MHz
  Control channel: 6.45 MHz
  Reception: Audio channel: 1.95 MHz

Covering Range

• 7 m (22.97 ft) radius

Input

• Microphone terminal: XLR-4-31 type

Output

• Monitor speaker: 8 Ω, 0.2 W
  Headphone: φ3.5 mm mini Jack (3P:monaural) × 2

LED Indicator

• Speech indicator, Power indicator

Function

• Monitor volume control, Headphone volume control, Priority speech function

Battery Life

• Approx. 10 hours (when the fully-charged BP-920 or BP-900A is used with "During speech" to "Standby" ratio of 1:2)

Operating Temperature

• 0 ℃ to +40 ℃ (32 ゜F to 104 ゜F)

Operating Humidity

• 90 %RH or less (no condensation)

Finish

• Case: PC resin, black
  Speaker Net: Steel plate, Black, matte finish, paint

Dimensions

• 205.7 (W) × 70.3 (H) × 164.2 (D) mm (8.1" × 2.77" × 6.46")