Feature

- Check the status of each speaker line with LED.

- Setting the test time interval and automatic test

• The test time intervals can be set from 5 to 200 minutes by user request.

- Use of high frequency test signal

• It uses the high frequency test signal when checking out the speaker line, so it may be inaudible to listener.

- Speaker impedance measuring error range setting

• Speaker impedance measuring error range can be set as 10% or 20%.

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