Lanzar HTG668BT, HTG668BT.5, HTG888, HTG888.5 Owner's manual

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What is the function of the RCA input jacks?

What is the purpose of the GAIN Control?

What are the X-OVER (SELECT) switch options?

What is the BASS BOOST function?

What is the purpose of the BLUETOOTH feature?

What is the significance of the LED indicator?

What is the function of the Auxiliary outputs?

Where should the GND terminal be connected?