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 Wireless PA and Microphone Answers

General Questions

What is impedance and why is impedance matching for microphones necessary?
What does "directionally balanced" mean?
Why does one wireless microphone cut out when two microphones are used close to each other?
What is the maximum distance between the microphone and the receiver?
Do 170 MHz wireless microphone and PA systems require an FCC license?
Do 49 MHz wireless microphone and PA systems require an FCC license?

Questions on Specific Wireless PA Systems and Microphones

320-1221 2-Piece 49 MHz FM Wireless Microphone System
  - What are the receive and transmit frequencies?
  - How do I know which frequency my microphone will work on?
  - Will the wireless microphone work with the 320-1230 system?
  - Is there an on-line user's manual?
320-1224 High-Performance 170 MHz Wireless Hand-Held Microphone System
  - How do you get into the battery compartment?
  - What crystal corresponds to what channel?
  - Is there an on-line user's manual?
320-1226 2-Piece 49 MHz Wireless Camcorder Microphone
  - What is the impedance?
  - Is there an on-line user's manual?
320-1230 Multi-Channel 170 MHz Wireless Microphone
  - Is this microphone unidirectional or omnidirectional?
  - Is there an on-line user's manual?
320-1233 8-Channel 170 MHz Wireless Hand-Held Microphone System
  - What are the dimensions?
  - Is there an on-line user's manual?
320-1235 2-Channel Professional 170 MHz Wireless Microphone System
  - What else is needed to use this system?
  - What is the range?
  - Is there an on-line user's manual?
320-1240 Single-Channel 170 MHz Wireless FM PA System
  - What are the operating frequencies for the eight possible channels?
  - What are the dimensions and weight?
  - Is there an on-line user's manual?
320-1245 8-Channel 170 MHz Wireless PA System
  - What are the dimensions and weight, and how long are the AC and DC cords?
  - Is there an on-line user's manual?
320-1250 8-Channel 900 MHz Wireless Microphone Receiver
  - What are the dimensions?
  - Can I get a replacement antenna?
  - Is there an on-line user's manual?
320-1251 8-Channel 900 MHz Wireless Microphone
  - What is the frequency response?
  - Is there an on-line user's manual?


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