Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Technical Pro TPH35002URBT Digital Hybrid Amplifier. Please read this manual thoroughly before using the product to ensure proper function and to maximize its performance.
Important Safety Information
To reduce the risk of electric shock, fire, or damage to the unit, please observe the following safety precautions:
- Do not expose this appliance to rain or moisture.
- Do not remove the cover. No user-serviceable parts inside. Refer servicing to qualified personnel.
- Ensure proper ventilation. Do not block ventilation openings.
- Connect to a grounded AC power outlet with the correct voltage.
- Avoid placing the unit near heat sources or in direct sunlight.
- Disconnect the power cord during lightning storms or when unused for long periods.
Package Contents
Verify that all items are present in the package:
- Technical Pro TPH35002URBT Digital Hybrid Amplifier
- Remote Control
- Power Cable
- User Manual (this document)
Product Overview
Familiarize yourself with the front and rear panels of the amplifier.
Overall View

Image: An overall front view of the Technical Pro TPH35002URBT Digital Hybrid Amplifier, showcasing its full design and layout.
Front Panel

Image: Front panel view of the Technical Pro TPH35002URBT amplifier, showing controls and inputs.
The front panel provides access to primary controls and input ports:
- Power Button: Turns the unit on or off.
- Master Volume Knob: Adjusts the overall output volume.
- Input Selectors: Buttons for choosing audio sources (RCA, USB, SD, MP3, Bluetooth, FM/AM).
- USB/SD Card Slots: For media playback from USB drives and SD cards.
- MP3 (3.5mm) Input: Auxiliary input for portable devices.
- Microphone Inputs (MIC1, MIC2): For connecting microphones.
- Microphone Volume, Bass, Treble, Echo Controls: Adjusts microphone audio.
- Bass, Treble, Balance Controls: Adjusts main audio output characteristics.
- Digital Display: Shows current mode, track information, and settings.
- Sub Out / Pre Out: Output jacks for connecting to a subwoofer or external amplifier.
Rear Panel

Image: Rear panel view of the Technical Pro TPH35002URBT amplifier, showing various input and output connections.
The rear panel houses all essential connection ports:
- RCA Inputs (Audio Sources): Connect external audio devices like CD players, DVD players, or other line-level sources.
- Speaker Outputs (Banana Binding Post): Connect up to four main speakers.
- Surround Sound Speaker Outputs (Push-Button): Connect surround sound speakers.
- FM/AM Antenna Connections: For radio reception.
- Power Input: Connects to the AC power supply.
Setup Instructions
Follow these steps to set up your amplifier:
1. Placement
Place the amplifier on a stable, flat surface with adequate ventilation. Ensure there is enough space around the unit for heat dissipation.
2. Speaker Connections
Connect your speakers to the appropriate speaker output terminals on the rear panel. Ensure correct polarity (positive to positive, negative to negative) for optimal sound quality.
- For main speakers, use the Banana Binding Post terminals.
- For surround sound speakers, use the Push-Button terminals.
3. Audio Source Connections
Connect your audio sources to the amplifier:
- RCA Inputs: Use RCA cables to connect devices like CD players, DVD players, or other audio components to the designated RCA input jacks.
- MP3 (3.5mm) Input: Connect portable audio devices using a 3.5mm audio cable to the front panel MP3 input.
- USB/SD Card: Insert a USB drive or SD card into the respective slots on the front panel for media playback.
4. Antenna Connection
Connect the FM and AM antennas to their respective terminals on the rear panel for radio reception. Adjust the antenna position for best signal reception.
5. Power Connection
Once all audio and speaker connections are made, connect the power cable to the amplifier's power input and then to a suitable AC power outlet.
Operating Instructions
Power On/Off
Press the Power Button on the front panel to turn the amplifier on or off. The digital display will illuminate when the unit is powered on.
Input Selection
Use the Input Selector buttons on the front panel or the remote control to choose your desired audio source (e.g., RCA, USB, SD, Bluetooth, FM/AM).
Volume Control
Rotate the Master Volume Knob on the front panel or use the volume buttons on the remote control to adjust the overall sound level.
Tone Controls
Adjust the Bass and Treble knobs on the front panel to customize the low and high frequencies of the audio output. The Balance knob adjusts the left/right channel balance.
Bluetooth Pairing
- Select "Bluetooth" as the input source using the input selector. The display will show "BLUETOOTH" and indicate pairing mode.
- On your Bluetooth-enabled device (smartphone, tablet, etc.), search for available Bluetooth devices.
- Select "Technical Pro" or a similar name from the list.
- Once paired, the amplifier will confirm the connection, and you can stream audio wirelessly.
USB/SD Card Playback
Insert a USB drive or SD card (up to 32GB) containing MP3, WAV, or WMA audio files into the corresponding slot on the front panel. The amplifier will automatically switch to USB/SD mode and begin playback. Use the navigation buttons on the front panel or remote control to control playback (play, pause, skip tracks).
FM Radio Operation
Select "FM" as the input source. Use the tuning buttons on the front panel or remote control to scan for radio stations. The digital display will show the frequency.
Microphone Usage
Connect microphones to the MIC1 or MIC2 inputs on the front panel. Adjust the MIC VOL, MIC BASS, MIC TREBLE, and MIC ECHO knobs to control the microphone audio and effects.
Maintenance
To ensure the longevity and optimal performance of your amplifier, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or abrasive chemicals.
- Ventilation: Regularly check that the ventilation openings are clear of dust and debris to prevent overheating.
- Storage: If storing the unit for an extended period, disconnect it from power and store it in a cool, dry place.
Troubleshooting
If you encounter issues with your amplifier, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power outlet faulty; Unit fuse blown. | Ensure power cable is securely connected. Test the outlet with another device. Contact qualified service personnel if fuse replacement is suspected. |
| No sound output | Incorrect input selected; Speaker wires loose or incorrectly connected; Volume too low; Mute function active. | Select the correct input source. Check all speaker connections for proper polarity and secure fit. Increase master volume. Ensure mute is off. |
| Bluetooth not connecting | Amplifier not in pairing mode; Device too far; Interference; Previously paired device connected. | Ensure amplifier is in Bluetooth input mode and searching. Move device closer. Turn off other Bluetooth devices. Disconnect from any previously paired device. |
| Remote control not working | Batteries depleted or incorrectly inserted; Obstruction between remote and unit; Remote sensor blocked. | Replace remote batteries with new ones, ensuring correct polarity. Remove any obstructions. Ensure the remote sensor on the amplifier is clear. |
| Poor radio reception | Antenna not connected or poorly positioned; Weak signal. | Connect the FM/AM antenna securely. Adjust the antenna's position for better reception. |
Specifications
Key technical specifications for the Technical Pro TPH35002URBT Digital Hybrid Amplifier:
| Model Number | TPH35002URBT |
| Peak Power Output | 3500 Watts |
| Product Dimensions | 19.1 x 14 x 3.5 inches |
| Item Weight | 14.78 pounds |
| Connectivity Technology | Bluetooth, RCA, USB |
| Controller Type | Push Button |
| Special Feature | AM/FM digital tuner |
| Compatible Devices | Speaker, Smartphone, Tablet, Personal Computer |
| Connector Type | USB 2.0 |
| Audio Encoding | Surround |
| Audio Output Mode | Stereo |
| Surround Sound Channel Configuration | 7.2 Channel |

Image: Diagram illustrating the dimensions of the Technical Pro TPH35002URBT amplifier: 19.1 inches wide, 14 inches deep, and 3.5 inches high.
Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or visit the official Technical Pro website. Keep your purchase receipt as proof of purchase for warranty claims.
Online Resources: For additional support, FAQs, and product registration, please visit the Technical Pro Store on Amazon.





