Fosi Audio BT20A, Руководство пользователя, Страница: 6 / 14

RCA Input for example
Prepare:
audio source (take a phone as an example), a RCA cable
or a 3.5mm AUX to RCA cable (some devices will need)
Step 1: Connect your phone to BT20A via a 3.5mm to RCA cable;
Step 2: After connecting to BT20A, the indicator light shows red
light;
Step 3: Open the audio application, play and enjoy!
Note: Please keep the BT20A away from other electric device. The
BT20A can't use with a radio simultaneously.
Troubleshooting/QA
1: What type of speakers work best with BT20A Amplifier?
• Fosi Audio BT20A works great with any 2-8 Ω passive speakers.
Note: please know that the BT20A amplifier is for passive
speakers, not for powered speakers and subwoofer.
2: Why Bluetooth is intermittent?
• Use another Bluetooth device to have a try.
• Ensure that there is no interference from other electronic
equipment between the BT20A and the audio source.
• Put your device close to the BT20A.
• Replug the power adapter.
3: Why does the BT20A make serious noise when used
together with a radio?
• common feature of Class D power amplifiers is that they can
cause serious noise when used with a radio, so we do not
recommend using the BT20A with a radio or too close to it.