MakerHawk TPA3116D2 Bluetooth 5.0 Stereo Audio Amplifier Module ZK-502H User Manual

1. Prodott Aktarview

The MakerHawk TPA3116D2 Bluetooth 5.0 Stereo Audio Amplifier Module (Model ZK-502H) is a high-performance Class D amplifier designed for HiFi stereo audio applications. It features multiple audio input methods and robust protection mechanisms, making it suitable for various DIY audio projects and home entertainment systems.

Karatteristiċi ewlenin:

• Prestazzjoni Għolja: Utilizes the TPA3116D2 Class D amplifier IC, offering high power output with low distortion (<0.1%).
• HiFi Stereo: Dual-channel 100W (50W*2) output for clear and rich audio.
• Inputs Awdjo Multipli: Supports AUX (3.5mm), Bluetooth 5.0, USB flash drive, and PC sound card input.
• Riżultati versatili: Compatible with both active and passive speakers.
• Bluetooth 5.0: Ensures higher transmission efficiency, stability, and an extended wireless range of up to 15m (49 feet) in open spaces.
• Protezzjoni Robusta: Includes short-circuit, thermal, overvoltage, undervoltage, and DC protection to prevent damage.
• Faċli għall-utent: Features a potentiometer for volume adjustment with an integrated power switch.

Figura 1: Dettaljat view of the ZK-502H amplifier board, highlighting various inputs, outputs, and the TPA3116D2 chip with heatsink.

Figure 2: The assembled amplifier module, showing the volume knob and various input ports for AUX, Bluetooth, and USB.

2. Kontenut tal-Pakkett

Ivverifika li l-komponenti kollha huma preżenti fil-pakkett tiegħek:

• TPA3116D2 Bluetooth 5.0 Stereo Audio Amplifier Module (ZK-502H)
• Acrylic protective casing components
• Ħardwer tal-immuntar (viti, standoffs)
• Pum tal-volum
• Tornavit żgħir
• DC power adapter cable (optional, may vary)

Figure 3: Contents of the ZK-502H amplifier kit, including the main board, acrylic case parts, knob, and tools.

3. Istruzzjonijiet ta' Setup

3.1 Assembly (Optional)

If your module came unassembled with an acrylic case, follow these steps:

1. Carefully remove all protective films from the acrylic panels.
2. Attach the standoffs to the main amplifier board using the provided screws.
3. Secure the bottom acrylic panel to the standoffs.
4. Mount the top acrylic panel, ensuring all cutouts align with the board's components (e.g., volume knob, ports).
5. Attach the volume knob to the potentiometer shaft.

3.2 Konnessjoni tal-Enerġija

The module requires a DC power supply between 9V and 24V. Connect the power supply to the DC input port on the board. Ensure correct polarity.

3.3 Konnessjoni tal-Ispeaker

Connect your speakers to the speaker output terminals. The module supports both active and passive speakers. For passive speakers, ensure they are rated appropriately for the amplifier's output (50W per channel). Observe correct polarity for optimal sound quality.

Figure 4: Connection diagram showing how to connect audio sources (PC, USB, AUX) and speakers to the ampmodulu lifier.

4. Istruzzjonijiet Operattivi

4.1 Mixgħul/Mitfi u Kontroll tal-Volum

The volume potentiometer also functions as the power switch. Rotate the knob clockwise to turn on the module and increase volume. Rotate counter-clockwise to decrease volume and turn off the module.

4.2 Għażla tal-Input tal-Awdjo

The module automatically detects and switches between input sources. Prioritize the desired input by connecting it first or disconnecting other sources.

• Input Bluetooth: Once powered on, the module will enter Bluetooth pairing mode. Fittex għal "ZK-502H" on your device (smartphone, tablet, laptop) and pair. A confirmation sound will indicate successful pairing.
• Input AUX: Connect an audio source (e.g., MP3 player, CD player) to the 3.5mm AUX IN jack.
• Input USB: Daħħal USB flash drive li jkun fih l-awdjo files into the USB port. The module will automatically play the audio.
• PC Sound Card Input: Connect the module to a PC via a USB cable. The PC should recognize it as an external sound card.

5. Manutenzjoni

Biex tiżgura l-lonġevità u l-aħjar prestazzjoni tiegħek amplifier module, follow these maintenance guidelines:

• Tindif: Uża drapp artab u niexef biex tnaddaf il-modulu. Evita li tuża prodotti tat-tindif likwidi jew solventi.
• Ambjent: Operate and store the module in a dry, well-ventilated area, away from direct sunlight, high temperatures, and excessive humidity.
• Konnessjonijiet: Periodically check all connections (power, speakers, audio inputs) to ensure they are secure and free from corrosion.
• Evita tagħbija żejda: Do not exceed the recommended power supply voltage or speaker impedance to prevent damage to the ampaktar ħaj.

6 Issolvi l-problemi

Jekk tiltaqa' ma' problemi bil- amplifier module, refer to the following common problems and solutions:

7. Speċifikazzjonijiet

Figure 5: The assembled amplifier module with its approximate dimensions.

8. Garanzija u Appoġġ

Specific warranty information and direct support contact details are not provided within this manual. Please refer to the product packaging or the retailer's website for warranty terms and customer support options.