Fosi Audio TB10A Manual de usuario

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Fosi Audio TB10A User Manual

Product Specifications

Fosi Audio TB10A is a Hi-Fi stereo 2-channel amplifier that

features 100W x 2 output, , it is a mini power amp which is

equipped with bass and treble control. Simple compact design

but practical and powerful! Home Hi-Fi integrated amplifier

designed for the customers who pursue Hi-Fi sound!

Audio Input: RCA Input

Power supply: 24V 4.5A

Power supply voltage range: 12V-24V

THD: ≤ 0.5%

SNR: ≥ 98dB

Frequency Rang: 20Hz - 20kHz (±1 dB)

Input Sensitivity: ≤ 280mV

Terminating Impedance: 2Ω-8Ω

Output Power: 100W + 100W

Product Size: 130 x 100 x 35 mm

Product Weight: 650g

Product Overview & Control

Functions

RCA Input

Speakers Output

DC 12-24V Input

Treble Control

Power Switch

Power Indicator

Bass Switch Volume Control

Package Contents

Fosi Audio TB10A Amplifier *1

AC Power Cord *1

24V Power Supply *1

Instruction Manual *1

Quick Setup

Preparation

Prepare 1: TB10A, 24V power supply, passive speakers, speaker

wires or banana plugs;

Prepare 2: Connect the TB10A to the passive speakers via the

speaker wire or banana plugs;

Prepare 3: Connect the 24V power supply to the DC input;

Prepare 4: Toggle the power switch on the front panel upwards to

turn on the TB10A amplifier.

Note: Be sure that the volume/power switch is in the OFF position

before connecting the power supply.

How to connect the speaker wire?

Method 1: Bare wire connection illustration

: Release the horn terminals block terminals;

: Insert the two ends of the speaker wire into the

amplifier and speaker terminal holes;

: Tighten the horn terminals;

Note: Please avoid the speaker wires being exposed and touching

the amplifier casing, as this may cause a short circuit fault.

Package Contents

Fosi Audio TB10A Amplifier *1

AC Power Cord *1

24V Power Supply *1

Instruction Manual *1

Quick Setup

Preparation

Prepare 1: TB10A, 24V power supply, passive speakers, speaker

wires or banana plugs;

Prepare 2: Connect the TB10A to the passive speakers via the

speaker wire or banana plugs;

Prepare 3: Connect the 24V power supply to the DC input;

Prepare 4: Toggle the power switch on the front panel upwards to

turn on the TB10A amplifier.

Note: Be sure that the volume/power switch is in the OFF position

before connecting the power supply.

How to connect the speaker wire?

Method 1: Bare wire connection illustration

: Release the horn terminals block terminals;

: Insert the two ends of the speaker wire into the

amplifier and speaker terminal holes;

: Tighten the horn terminals;

Note: Please avoid the speaker wires being exposed and touching

the amplifier casing, as this may cause a short circuit fault.

Method 2: Banana plugs connection illustration

: Release the banana jacket;

: Loosen the screw;

: Insertion speaker wire and tighten the screw;

: Tighten the banana jacket;

: Insert the banana plug into the horn terminals of the

speaker and amplifier.

Note: Please take care to avoid contact between the two banana

plugs and causing a short circuit fault as some of the

banana plugs are metal cased.

1 2 3

Follow RCA Input Steps:

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 TB10A via a 3.5mm to RCA cable;

Step 2: After a successful connection to TB10A,The input mode

indicator light will turn red;

Step 3: Open the audio application, play and enjoy!

Note: Please keep the TB10A away from other electric device. The

TB10A can't use with a radio simultaneously

Release Jacket Loosen Screw Insertion speaker wire

tighten screw Tighten Jacket

1 2 3 4

banana plug into

the horn terminals

Troubleshooting/QA

1: What type of speakers work best with TB10A Amplifier?

• TB10A works great with any 2-8 Ωpassive speakers.

Note: please know that the TB10A amplifier is for passive

speakers, not for powered speakers and subwoofer.

2: Why does the TB10A make serious noise when used

together with a radio?

• A 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 TB10A with a radio or too close to it.

3: Can I connect a turntable to TB10A 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 TB10A.

• As for the turntables which have a built-in preamp, you need to

switch the preamp on before connecting TB10A.

4: 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.12-24V DC

power supply are suitable.

• If you make sure the power supply is defective, please contact us

for exchange.

5: Why does the sound is cracking or make a lot of

electric noise?

• Please make sure all the cables completely pushed into the

devices, incompletely connection will cause this cracking.

• Please remove all the inputs then check whether cracking noise

disappear or not, the cracking maybe from the audio source or

input cables.

• If you are not using the original factory standard power supply,

please replace the power supply before testing. Many power

supply in the market have large interference coefficient, which

will cause a lot of current sound.

6: Can I use headphone with this product?

• No, the TB10A cannot be connected to headphones and only

supports passive speakers.

7: Why there is no voice from my amplifier?

• Please check whether the cable of power supply is connected to

TB10A and whether the power indicator is on.

• Make sure the TB10A's indicator light is on when the power is

turned on.

• Please check that the TB10A 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.

8: How much power does this use in standby mode? Can

this amp be left on all the time?

• This is the class D amplifier, it will cost very low power when it is

in standby mode. It can be connected all the time and it is safe

without power consumption.

9: Sound quality is not good?

• Make sure all the cables are fully connected.

• Adjust the treble and bass control of the power amplifier to

achieve the right tone.

• Please try to change the sound source and cables to test.

10: Should I unplug the power cord?

• If the item will not be used for a long time, please unplug the

power plug to prevent the item from being burnt due to lightning

strike.

11: Can I bridge channel 1 and channel 2 to get 200watts?

• NO, this amplifier can't be bridged.

12: How can I connect TB10A to TV?

• Because the TB10A has an RCA input, it can be connected to

a TV.

13: Will I be able to turn up the volume using my TV

controller or will I need to adjust the volume manually?

• Technically speaking the TV's remote control does not control the

volume of the amplifier and adjusting the volume of the amplifier

requires the manual use of the amplifier's volume control buttons,

but the size of the signal from the TV to the amplifier will affect

the sound output of the amplifier.

14: Why the sound cut in and cut out?

• Try to reduce the sound of the sound source.

• Try to change the audio source to test.

• Reduce the volume of the treble and bass knob on the TB10A.

• Ensure that the positive and negative poles of the speaker output

do not touch together. Some relatively large banana plugs are

easy to touch together and cause a short circuit.

15: Can I Connect a Subwoofer to the Fosi Audio Amps?

• If you bought subwoofer amps from Fosi Audio or 2.1 channel

amplifier(the amp that with sub output), you can connect to a

subwoofer, but if you got the 2.0 channel amp, you can't connect

to the subwoofer.

16: Can I exchange the power supply come with the

amplifier and to get more power?

• The TB10A comes with 24V 4.5A power supply, it's enough for

most bookshelf speakers, but if you want to get more power, you

can exchange the power supply, the voltage range is DC12-24V,

you can use 24V 8A, or 24V 10A power supply.

17: Can I take the TB10A to other countries?

• Yes, the wide voltage AC 110-240V for power input can be used in

any country. You only need to match the power cord adapter of

the corresponding country.

Any problems please leave a message to the customer

support email address: suppor[email protected]

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