Fosi Audio T3 Manual de usuario
BRING THE SOUND TO YOUR HEART
User Manual
BRING THE SOUND TO YOUR HEART
Thank you 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.
Fosi AudioT3 is a Hi-Fi Bluetooth stereo
2.1-channel Tube amplifier that features 100W
output, and Bluetooth signal range up to 10
meters. It provides multiple input options and
its working voltage 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
T3 Tube Amplifier *1 User Manual *1
User Manual
2
1
User Manual *1
4
Power Cable *1
3
Top panel
Real Panel
Bass knob1
Treble knob2
Volume Control4
6F2 Tube*2
5
Source Selector(BT, AUX1, AUX2)3
Bluetooth Antenna6
AUX 1 / AUX 2 Input7
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
61
71
81
9110 111 112
AC 110-240V 50Hz
：
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
connection of source devices
Up to two sources with stereo line output 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
Fosi Audio T3 works great with any 4-8Ω
passive speakers.
please note that the T3 amplifier is for
passive speakers, and subwoofer output
only supports active speakers.
What type of speakers work best
with T3 tube Amplifier?
1.
Note:
Use another Bluetooth device to have a try.
Why Bluetooth connection is
intermittent?
2.
Ensure 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.
The cracking may be from the audio source
or input cables.
Why the sound is cracking or
making a lot of electric noise?
3.
If you are not using the original factory standard
power supply, please replace the power supply
before testing. Many power supply adapters in
the market have large interference coefficient,
which will cause a lot of current sound.
Yes, the T3 as a headphone amplifier will
easily drive most headphone to deliver a
colossal sound stage and effortless 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 the wire connections from the
audio source to each speaker in the amplifi-
er are connected correctly.
Why there is no voice from my
amplifier?
5.
Note:
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.
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