Introduction
Thank you for choosing the Fosi Audio TP-02 Subwoofer Amplifier. This compact and powerful amplifier is designed to enhance your home audio experience by providing robust bass output for both powered and passive subwoofers. Featuring a TDA7498E chip and NE5532 op-amp, the TP-02 delivers clear, distortion-free sound with adjustable volume and frequency controls. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.
Safety Information
- Ensure the power supply voltage matches the amplifier's requirements (DC 12-24V).
- Do not expose the device to water, moisture, or excessive heat.
- Avoid placing the amplifier in direct sunlight or near heat sources.
- Do not open the casing; there are no user-serviceable parts inside. Refer all servicing to qualified personnel.
- Keep out of reach of children.
- Disconnect power during lightning storms or when unused for long periods.
Package Contents
Please check the package for the following items:
- Fosi Audio TP-02 Subwoofer Amplifier x 1
- 24V Power Adapter x 1
- User Manual x 1
Figure 1: What's in the Box?
Product Overview
The Fosi Audio TP-02 features a compact design, making it suitable for various setups, from home theater systems to desktop audio configurations. Its robust build ensures durability and reliable performance.
Figure 2: Fosi Audio TP-02 Front Panel
Front and Rear Panel Overview
Figure 3: Front and Rear Panel Layout
- Power Switch: Toggles the amplifier on/off.
- SUB FREQ Knob: Adjusts the low-pass filter frequency (30Hz-260Hz) for optimal bass integration.
- VOL Knob: Controls the overall volume output of the subwoofer.
- RCA Input (L/R): Connects to your audio source (e.g., PC, phone, TV, CD player).
- SUB OUT (Active Subwoofer Output): Connects to a powered (active) subwoofer.
- SUB OUT (Passive Subwoofer Output): Connects to a passive subwoofer using speaker wire.
- DC 12-24V: Power input for the included 24V power adapter.
Setup
Follow these steps to connect your Fosi Audio TP-02 Subwoofer Amplifier to your audio system.
Connection Diagram
Figure 4: Product Connection and Usage Diagram
- Connect Audio Source: Use an RCA cable to connect your audio source (e.g., PC, Mac, Phone, TV, CD Player) to the RCA INPUT ports on the rear panel of the TP-02. Ensure left (white) and right (red) channels are matched.
- Connect Subwoofer:
- For Active Subwoofer: Connect the SUB OUT (Active Subwoofer Output) port on the TP-02 to the input of your powered subwoofer using an RCA cable.
- For Passive Subwoofer: Connect your passive subwoofer to the SUB OUT (Passive Subwoofer Output) binding posts using appropriate speaker wire. Ensure correct polarity (+ to + and - to -).
- Connect Power: Plug the included 24V power adapter into the DC 12-24V input port on the rear panel of the TP-02, then plug the adapter into a wall outlet.
- Power On: Flip the POWER switch on the front panel to the 'On' position. The power indicator light will illuminate.
The TP-02 is designed to integrate seamlessly into various audio environments, providing deep bass for an immersive experience.
Figure 5: TP-02 in a Home Theater Setup
Figure 6: Compact Design in a Desktop Environment
Figure 7: Enhancing Gaming Audio with TP-02
Operation
Once connected, you can begin operating your TP-02 amplifier. The amplifier is designed for high performance, featuring a built-in low-pass filter to remove high-frequency noise, ensuring a purer and clearer signal. It boasts a frequency response range of 20 Hz - 250kHz, with THD ≤ 0.04%, SNR ≥ 98dB, and an input sensitivity of 775mV.
Adjusting Controls
- Volume Control (VOL): Rotate the large knob on the right to adjust the overall output volume of your subwoofer. Start with a low volume and gradually increase it to a comfortable listening level.
- Subwoofer Frequency Control (SUB FREQ): Rotate the smaller knob on the left to adjust the low-pass filter frequency. This allows you to fine-tune the crossover point for your subwoofer, typically between 30Hz and 260Hz, to blend it seamlessly with your main speakers. Experiment with this setting to achieve the desired bass response for your room and speakers.
Figure 8: Easy Bass Adjustment
The TP-02 utilizes the Texas Instruments TDA7498E chip and NE5532 op-amp for powerful and clean audio delivery. It features a built-in speaker protection circuit and operates silently when not in use, preventing pops or unwanted noise.
Figure 9: Internal Chipset for High-Quality Audio
Official Product Video
Video 1: Fosi Audio TP-02 Subwoofer Amplifier Overview. This video provides a visual demonstration of the TP-02 amplifier, showcasing its design and key features.
Maintenance
To ensure the longevity and optimal performance of your Fosi Audio TP-02 amplifier, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the exterior of the amplifier. Do not use liquid cleaners or aerosols, as they may damage the finish or internal components.
- Ventilation: Ensure adequate airflow around the amplifier. Do not block ventilation openings. Proper ventilation prevents overheating and maintains performance.
- Storage: If storing the amplifier for an extended period, disconnect it from power and store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Management: Keep cables neatly organized and avoid sharp bends or kinks, which can damage the cables over time.
Troubleshooting
If you encounter any issues with your Fosi Audio TP-02, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound Output |
|
|
| Distorted Sound |
|
|
| Humming or Buzzing Noise |
|
|
Specifications
| Feature | Detail |
|---|---|
| Brand | Fosi Audio |
| Model Number | TP-02 |
| Item Dimensions (L x W x H) | 5 x 3 x 1 inches |
| Item Weight | 1.91 pounds |
| Voltage | 24 Volts (DC) |
| Maximum Supply Voltage | 24 Volts (DC) |
| Number of Channels | 1 |
| Output Power | 220 Watts |
| Mounting Type | Surface Mount |
| Chipset | TDA7498E, NE5532 |
| Frequency Response Range | 20 Hz - 250 kHz |
| THD | ≤ 0.04% |
| SNR | ≥ 98dB |
| Input Sensitivity | 775mV |
Warranty & Support
Fosi Audio products come with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Fosi Audio website.
For technical support, troubleshooting assistance, or any inquiries regarding your TP-02 amplifier, please contact Fosi Audio customer service through their official website or the contact information provided in your product packaging. You can also refer to the official Instructions for Use (IFU) PDF document for additional details: