User's Manual

7: Can I use headphone with this product?
• No, the BT20A cannot be connected to headphones and only
supports passive speakers.
8: How can I switch between Bluetooth input and RCA
input?
• You can connect this amp via Bluetooth as well as wired input.
But if Bluetooth connects, playback from the RCA input is
interrupted. You need to turn off the Bluetooth from your device if
you use RCA input when Bluetooth pairing.
Input priority: Bluetooth input > RCA input
9: Why there is no voice from my amplifier?
• Please check whether the cable of power supply is connected to
BT20A and whether the power indicator is on.
• Make sure the BT20A's indicator light is on when the power is
turned on.
• Please check that the BT20A and your source components are
turned on and not set to minimum volume, if possible replace
your source and test again.
• Check that the wire connections from the audio source to each
speaker in the amplifier are connected correctly.
• Please check that the cable is not loose, damaged. Incomplete
connection is one of the main reasons for no sound.
• Please make sure the Bluetooth is paired, if Bluetooth is
connected, the playback of RCA input will be interrupted. If you
want to connect this amplifier with a RCA cable, you need to
interrupt the Bluetooth first.
10: My Bluetooth device cannot pair with BT20A?
• Make sure that BT20A is powered on.