Fosi Audio BT10A, User Manual, Page: 6 / 12

3.5mm AUX for example
Prepare: audio source (take a phone as an example), a 3.5mm AUX
cable or a 3.5mm AUX to RCA cable (some devices will
need).
Step 1: Connect your phone to BT10A’s AUX interface via a 3.5mm
AUX cable;
Step 2: After connecting to BT10A, the indicator light shows red
light;
Step 3: Open the audio application, play and enjoy!
Troubleshooting/QA
1: What type of speakers work best with BT10A Amplifier?
• Fosi Audio Amplifiers work great with any 2-8 Ω passive
speakers. But please know that the amplifier is for passive
speakers, not for powered speakers and subwoofer.
2: Can I connect a turntable to BT10A amp, why is the
volume is extremely Low?
• As for the turntables do not have a built-in preamp, you need to
add an external phono preamp before connecting BT10A.
• As for the turntables which have a built-in preamp, you need to
switch the preamp on before connecting BT10A.
3: Why does my power indicator not light up?
• Please check that the AC power cord is securely connected to the
power supply and to an AC power outlet.
• Please check that the AC power outlet is supplying power, make
sure the power LED on the power supply will stay on.
• Please replace another power supply and try it again. 9-24V DC