Zerone TPA3116D2

Zerone TPA3116D2 Digital Amplifier Board User Manual

Model: TPA3116D2

1. Product Overview

The Zerone TPA3116D2 is a high-power 2.1 channel digital audio amplifier board designed for various audio applications. It features two TPA3116D2 amplifier chips, providing a total output of 80W x 2 for stereo channels and 100W for the subwoofer channel. This module operates on a DC 12-26V power supply and offers adjustable volume, bass, and stereo controls for a customized audio experience.

2. Features

  • Dual TPA3116D2 Chips: Integrates two TPA3116D2 digital amplifier chips for stable and reliable performance.
  • 2.1 Channel Output: Provides 80W x 2 (stereo) + 100W (subwoofer) high-power output.
  • Wide Voltage Range: Compatible with DC 12-26V power input.
  • High Signal-to-Noise Ratio: Achieves 100 decibels signal-to-noise ratio for clear audio quality.
  • Adjustable Controls: Independent volume, bass, and stereo (treble) adjustment knobs.
  • Durable Construction: Built with premium materials for practical and long-lasting use.
Zerone TPA3116D2 Digital Amplifier Board with dual chips

Image 2.1: Overview of the amplifier board highlighting the dual TPA3116D2 chips.

3. Safety Information

  • Ensure the power supply voltage is within the specified DC 12-26V range. Exceeding this range can damage the device.
  • Always disconnect power before making any connections or disconnections to prevent electrical shock or damage.
  • Avoid exposing the amplifier board to moisture, water, or extreme temperatures.
  • Do not touch the components on the board while it is powered on, especially the heatsink, as it may become hot.
  • Keep the device away from children.
  • Ensure proper ventilation around the amplifier board during operation.

4. Package Contents

Please check the package contents upon receipt. The standard package includes:

  • Zerone TPA3116D2 Digital Amplifier Board (1 unit)
  • (Note: Additional cables or power supply may not be included and must be purchased separately.)

5. Product Diagram and Components

Familiarize yourself with the various components and connection points on the amplifier board.

Top view of Zerone TPA3116D2 amplifier board showing input, output, and control knobs

Image 5.1: Top view of the amplifier board.

  • 1. POWER Input: DC 12-26V power supply connection.
  • 2. INPUT: Audio signal input (e.g., from a smartphone, PC, or MP3 player).
  • 3. VOL (Volume): Master volume control knob.
  • 4. BASS: Bass frequency adjustment knob.
  • 5. STERE (Stereo/Treble): Stereo channel (treble) adjustment knob.
  • 6. +OUTL-: Left channel speaker output terminals.
  • 7. +OUTR-: Right channel speaker output terminals.
  • 8. +BASS-: Subwoofer speaker output terminals.
Bottom view of Zerone TPA3116D2 amplifier board

Image 5.2: Bottom view of the amplifier board, showing mounting points and solder pads.

6. Setup Instructions

Follow these steps to correctly set up your amplifier board:

  1. Power Supply Connection: Connect a DC 12-26V power supply to the "POWER" input terminals. Ensure correct polarity (+ to + and - to -). A power supply with sufficient current capacity (e.g., 5A or higher for full power) is recommended.
  2. Audio Input Connection: Connect your audio source (e.g., smartphone, PC, MP3 player) to the "INPUT" jack using an appropriate audio cable.
  3. Speaker Connections:
    • Connect your left speaker to the "+OUTL-" terminals.
    • Connect your right speaker to the "+OUTR-" terminals.
    • Connect your subwoofer to the "+BASS-" terminals.
    Ensure all speaker connections have correct polarity (+ to + and - to -) to avoid phase issues and ensure optimal sound quality.
  4. Initial Knob Settings: Before powering on, set the VOL, BASS, and STERE knobs to their minimum positions to prevent sudden loud sounds.
  5. Power On: Once all connections are secure, connect the power supply to a wall outlet. The board should power on.

7. Operating Instructions

After successful setup, follow these steps to operate the amplifier:

  1. Adjust Volume: Slowly turn the "VOL" knob clockwise to increase the master volume to your desired listening level.
  2. Adjust Bass: Use the "BASS" knob to increase or decrease the low-frequency output for the subwoofer and main channels.
  3. Adjust Stereo (Treble): Use the "STERE" knob to adjust the high-frequency output for the left and right stereo channels.
  4. Power Off: To turn off the amplifier, disconnect the power supply. It is recommended to turn the volume down before powering off.
Close-up of Zerone TPA3116D2 amplifier board showing volume, bass, and stereo control knobs

Image 7.1: Control knobs for volume, bass, and stereo adjustment.

8. Maintenance

Proper maintenance ensures the longevity and optimal performance of your amplifier board:

  • Cleaning: Use a soft, dry cloth to gently wipe the surface of the board. Do not use liquid cleaners or solvents.
  • Dust Removal: Periodically use compressed air to remove dust from components and heatsinks to maintain proper cooling.
  • Storage: When not in use for extended periods, store the board in a dry, cool environment, away from direct sunlight and moisture.
  • Inspection: Periodically inspect connections for looseness or corrosion.

9. Troubleshooting

If you encounter issues with your amplifier board, refer to the following troubleshooting guide:

ProblemPossible CauseSolution
No sound output
  • No power or incorrect power connection.
  • Audio input cable loose or faulty.
  • Speaker cables loose or incorrectly connected.
  • Volume knob set to minimum.
  • Faulty audio source.
  • Check power supply voltage and polarity. Ensure power is connected.
  • Verify audio input cable is securely connected and functional.
  • Check all speaker connections for proper polarity and secure fit.
  • Increase the "VOL" knob.
  • Test with a different audio source.
Distorted or poor sound quality
  • Input signal too high (clipping).
  • Speaker impedance mismatch.
  • Loose speaker connections.
  • Power supply insufficient.
  • Reduce the volume from the audio source.
  • Ensure speakers are compatible with the amplifier's output.
  • Check and secure all speaker connections.
  • Use a power supply with adequate current (e.g., 5A or higher).
Amplifier gets excessively hot
  • Lack of ventilation.
  • Overloading the amplifier (too low impedance speakers or too high volume for extended periods).
  • Faulty component.
  • Ensure adequate airflow around the heatsink.
  • Reduce volume or check speaker impedance.
  • If problem persists, discontinue use and contact support.

10. Specifications

ParameterValue
ModelTPA3116D2
Input VoltageDC 12-26V
Output Channels2.1 Channels (Left, Right, Subwoofer)
Output Power80W x 2 (Stereo) + 100W (Subwoofer)
Signal-to-Noise Ratio (SNR)100 dB
Dimensions (L x W x H)4.53 x 3.62 x 1.06 inches (11.5 x 9.2 x 2.7 cm)
BrandZerone

11. Warranty and Support

Specific warranty information for this product is not provided in the available documentation. For warranty claims, technical support, or further assistance, please contact your retailer or the manufacturer, Zerone, directly through their official support channels. Please retain your proof of purchase for any warranty-related inquiries.

You can often find contact information on the retailer's website or by searching for "Zerone official support" online.

© 2023 Zerone. All rights reserved.

This manual is subject to change without notice.