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Make sure that T3 is powered on.  
Make your device closer to T3 to have a try. 
Make sure there are no obstacles between 

your device and T3. Obstacles will affect the 

Bluetooth operation distance.
Please try to use another Bluetooth audio 

source to test.  
Please reconnect the power supply to the 

T3, and move the T3 to another room to 

have a try.  
Please reconnect the power supply to the 

T3, and move the T3 to another room to 

have a try.  
Restart the T3 and then try to connect 

again, try to use another Bluetooth device.  

 My Bluetooth device cannot pair 

with T3?  

6. 

 

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 disconnect the Bluetooth first. 

Please check that the cable is not loose or 

damaged. Incomplete connection is one of 

the main reasons leading to no sound. 

Summary of Contents for T3

Page 1: ...BRING THE SOUND TO YOUR HEART User Manual ...

Page 2: ... very much for purchasing the T3 Tube amplifier Please read the instructions carefully before using this product If you have any problems or suggestions for the product please contact us via support fosiaudio com ...

Page 3: ...e is AC110 240V T3 Tube Amplifier stage imparts a warm and natural sound quality while the solid state power amp offers superb audio fidelity and efficiency Product name 2 1 channel Tube amplifier Output power RMS 50Watts 2 Input type AUX RCA BT Bluetooth Transmission Up to 35 Ft Signal to noise ratio 80 DBA Speaker frequency 45Hz 20KHz THD 0 1 Terminating Impedance 4Ω 8Ω Dimensions 450 50 50mm ...

Page 4: ... T3 Tube Amplifier 1 User Manual 1 User Manual 2 1 User Manual 1 4 Power Cable 1 3 ...

Page 5: ...2 Tube 2 5 Source Selector BT AUX1 AUX2 3 Bluetooth Antenna 6 AUX 1 AUX 2 Input 7 Headphone Output 9 Speaker Output 10 Power Switch 11 AC Power Interface 12 Active Subwoofer Output Not support passive speakers 8 1 2 3 4 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 AC 110 240V 50Hz ...

Page 6: ... Turn on the power switch The default input setting is Bluetooth mode after booting the T3 Tube Amplifier and the machine will automatically enter the pairing mode AC 110 240V 50Hz ...

Page 7: ... can be connected to the stereo RCA input AUX 1 AUX2 Up to two sources with stereo line output can be connected to the stereo RCA input AUX 1 AUX2 Plug your device to the corresponding AUX1 or AUX2 input port prior to turning the mode knob to AUX 1 or AUX2 AC 110 240V 50Hz ...

Page 8: ...ure that there is no interference from other electronic equipment between the T3 and the audio source Put your device close to the T3 Replug the power adapter Use another Bluetooth device to have a try Please make sure all the cables are com pletely pushed into the devices Incomplete connection will cause this cracking Please remove all the inputs then check whether cracking noise disappear or not...

Page 9: ... dy namic range when headphones are plugged to the headphone jack the speaker output con nections are disengaged Can I use headphone with this product 4 Please check whether the cable of power supply is connected to T3 and the power switch is on Please check that the T3 and your source components are turned on and not set to minimum volume If possible replace your source and test again Check that ...

Page 10: ...ease reconnect the power supply to the T3 and move the T3 to another room to have a try Restart the T3 and then try to connect again try to use another Bluetooth device My Bluetooth device cannot pair with T3 6 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 disconnec...

Page 11: ...als and truly useful features are what Fosi Audio is about We sincerely hope you get as much en joyment from our products as we ve had to create them Our website www fosiaudio com Amazon store www amazon com fosiaudio Our Youtube channel Fosi Audio Our Facebook page Fosi Audio After sale Service and Technical Support Email support fosiaudio com ...

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