Fosi Audio TP-02 User Manual

Fosi Audio TP-02

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Fosi Audio TP-02 User Manual

Table of Contents

Questions and Answers:

D
David LeeJul 28, 2025
Why is there no voice from my Fosi Audio TP-02 Amplifier?
- J
  jmartinezJul 28, 2025
  If your Fosi Audio Amplifier isn't producing any sound, here are a few things to check: * Ensure the AC outlet is working. * Verify that both the amplifier and your connected devices are powered on. * Check the speaker wire connections from the amplifier to the speaker. * Make sure the power supply cable is connected to the amplifier and that the power LED on the power supply is lit. If not, the power supply might be broken. * Confirm the volume/power knob on the front panel is turned on and the volume isn't set to the minimum. Also, test the amplifier with another device. If it still doesn't work, the amplifier itself might be the problem. Ensure all cables are working and properly connected; try replacing them to see if that resolves the issue.
K
Kristin BraunAug 1, 2025
How to fix a Fosi Audio TP-02 Amplifier when the power supply indicator is not illuminated?
- C
  Christine MooreAug 1, 2025
  If your Fosi Audio Amplifier's power supply indicator isn't lighting up, ensure the AC power cord is securely connected to both the power supply and the AC power outlet. Also, check if the power LED on the power supply stays on. If it doesn't, the power supply is likely broken. If you confirm that the power supply is defective, contact support for a replacement.
A
ann93Aug 5, 2025
What to do if my Fosi Audio TP-02 sound cuts in and out?
- R
  Robert StokesAug 5, 2025
  If the sound from your Fosi Audio Amplifier is cutting in and out, try these steps: * Reduce the volume of your device. * Make sure that the positive and negative poles of the speaker output are not touching each other, as this can cause a short circuit. * Try using a different audio source to test if the problem persists. If it does, there may be an issue with the amplifier.
K
Kenneth WeissAug 9, 2025
Why does the sound crack or make a lot of electric noise on my Fosi Audio TP-02 Amplifier?
- A
  Ashlee WheelerAug 9, 2025
  If you're experiencing cracking or excessive electrical noise with your Fosi Audio Amplifier, consider the following: * Touching the volume knob or amplifier case might create a buzzing sound, which is normal due to the aluminum construction. * Ensure all cables are fully inserted into the devices; incomplete connections can cause cracking sounds. * Unplug all signal input cables to see if the cracking noise disappears. If it does not, the issue might be with the amplifier itself. * If you're not using the original factory standard power supply, replace it with the original one, as many aftermarket power supplies can introduce interference.
D
donald00Aug 13, 2025
Why is the sound quality not so good from my Fosi Audio TP-02?
- S
  Sonya JonesAug 13, 2025
  If the sound quality from your Fosi Audio Amplifier isn't optimal, try these steps: * Unplug the RCA input and connect the amplifier to a subwoofer. Then connect the amplifier to the power supply, switch it on and turn up the volume. Check for any noise or hum. If present, the issue may be with the amplifier or subwoofer. If not, the problem may be with your RCA cable or device. Try swapping the device and audio cable with another one. * Ensure all cables are fully pushed into the device to prevent distortion from incomplete connections. * Verify that your amplifier has enough power to drive your subwoofer and that their parameters match. If more power is needed, consider using a more powerful power supply, such as a 24V 8A or 24V 10A.
L
Lisa EstesAug 18, 2025
Why is there an interference sound after connecting the signal line to my Fosi Audio TP-02?
- N
  Nicole HaleAug 18, 2025
  If you are experiencing interference sounds after connecting the signal line to your Fosi Audio Amplifier, it might be due to using unshielded signal lines. These lines can allow interference signals to enter the power amplifier.

Fosi Audio TP-02 Specifications

General

Chipset	TPA3116D2
Frequency Response	20Hz - 20kHz
Total Harmonic Distortion (THD)	<0.1%
Input Mode	RCA
Speaker Impedance	4-8Ω
THD+N	<0.1%
Type	Class D Amplifier
Output Power	50W x 2 (4Ω)
Power Supply	DC9-24V
Output Mode	Speaker

Summary

Product Specifications

Product Overview & Control Functions

Front Panel Controls

Details controls like power, frequency, and volume on the front of the amplifier.

Back Panel Connections

Details input and output ports, including RCA, subwoofer out, and DC input.

Package Contents

Quick Setup Guide

Setup Steps and Precautions

Guides users through connecting the amplifier and important initial setup notes.

Bare Wire Speaker Connection

Step-by-step instructions for connecting speaker wires using the bare wire method.

Banana Plug Speaker Connection

Troubleshooting and Frequently Asked Questions

Power Indicator Issues

Troubleshooting steps for when the amplifier's power indicator light does not illuminate.

Speaker Compatibility

Information on which type of speakers works best with the TP-02 Amplifier.

Radio Interference Noise

Explains why the TP-02 might cause noise when used near a radio.

No Sound Output

Troubleshooting steps for when the amplifier produces no sound.

Sound Cracking or Electric Noise

Addresses buzzing or cracking sounds from the amplifier and their causes.

Interference Sound with Signal Line

Discusses interference issues caused by unshielded signal lines.

Amplifier Stops Working Periodically

Explains why the amplifier might stop and then restart, often due to overheat protection.

Standby Power Usage and Continuous Operation

Clarifies standby power consumption and if the amplifier can remain on.

Varying Volume with Different Audio Sources

Explains why output volume differs when using devices like CDs or mobile phones.

Initial Sound Quality and Improvement

Addresses initial sound issues and how it improves after a break-in period.

Poor Sound Quality

Tips for improving overall sound quality, like adjusting volume levels.

Power Input vs. Output Wattage

Explains how power supply limits affect amplifier output wattage.

RMS Wattage Specifications

Details RMS power output at 4Ω and 8Ω with a specific power supply.

Sound Cutting In or Out

Troubleshooting for intermittent sound issues or dropouts.

Low Volume Issues

Addresses problems with low output volume and potential causes.

International Usage

Information on using the TP-02 amplifier in different countries.

Comparison Section

Warranty Information

About Fosi Audio

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