WUZHI Audio ZK-502C Mini Bluetooth 5.0 Stereo Amplifier Board | TPA3116D2 Class D | 50W × 2 | AUX & Bluetooth | DC 9–24V










Short Description:
WUZHI Audio ZK-502C is a compact 2.0 channel Class-D Bluetooth stereo amplifier board featuring the Texas Instruments TPA3116D2 amplifier chip. Delivers up to 50W × 2 output with Bluetooth 5.0 and AUX input, making it ideal for DIY Hi-Fi speakers, bookshelf speakers, desktop audio systems, home audio, and amplifier projects.
Long Description:
WUZHI Audio ZK-502C হলো একটি compact yet powerful 2.0 Channel Bluetooth Digital Amplifier Board, যা Texas Instruments TPA3116D2 Class-D amplifier chip ব্যবহার করে crystal-clear stereo sound, high efficiency এবং low distortion audio performance প্রদান করে।
Bluetooth 5.0 এবং AUX input support থাকার কারণে আপনি smartphone, laptop, desktop, TV, tablet অথবা other audio devices সহজেই connect করতে পারবেন।
এর compact size এবং efficient design এটিকে DIY speaker project, bookshelf speaker, desktop amplifier, portable speaker এবং home audio system-এর জন্য অন্যতম জনপ্রিয় amplifier module বানিয়েছে।
High Performance Class-D Amplifier
Built with the Texas Instruments TPA3116D2 amplifier IC, the ZK-502C delivers:
✔ High efficiency Class-D design
✔ Low heat generation
✔ Low harmonic distortion
✔ Crystal-clear stereo sound
✔ Stable high-power output
✔ Excellent energy efficiency
Wireless & Wired Connectivity
The amplifier supports two convenient input modes:
- Bluetooth 5.0 Wireless Audio
- 3.5mm AUX Input
Bluetooth offers stable wireless connectivity with an operating range of up to approximately 15 meters in open areas.
Power Output
Maximum Output Power:
- 50W × 2 Stereo
Recommended Speaker:
- 4Ω – 8Ω Passive Speakers
- 30W – 200W Speakers
Recommended Power Supply
Input Voltage:
DC 9V – 24V
For maximum output performance, a 24V DC power supply with sufficient current is recommended. The board supports a wide operating range up to 27V depending on the version.
Ideal Applications
Perfect for:
- DIY Bluetooth Speakers
- Bookshelf Speakers
- Home Stereo Systems
- Desktop Audio
- TV Audio Upgrade
- Workshop Audio
- Portable Speaker Projects
- DIY Amplifier Projects
- Multimedia Systems
বাংলায় সংক্ষেপে:
WUZHI Audio ZK-502C একটি compact Bluetooth stereo amplifier board যা TPA3116D2 Class-D chip ব্যবহার করে 50W × 2 stereo output প্রদান করে। Bluetooth 5.0 এবং AUX input থাকায় এটি DIY speaker, bookshelf speaker, home audio এবং desktop sound system তৈরির জন্য একটি জনপ্রিয় amplifier module।
Performance Benefits:
- High-efficiency Class-D amplifier
- Powerful 50W × 2 stereo output
- Texas Instruments TPA3116D2 chipset
- Bluetooth 5.0 wireless connectivity
- AUX wired audio input
- Low distortion sound quality
- Compact and lightweight design
- Easy DIY installation
- Built-in protection circuits
- Low power consumption
Key Features:
- Brand: WUZHI Audio
- Model: ZK-502C
- TPA3116D2 Amplifier Chip
- 2.0 Channel Stereo Output
- Bluetooth 5.0
- AUX Input
- 50W × 2 Maximum Output
- Class-D Digital Amplifier
- DC 9–24V Input
- 4Ω–8Ω Speaker Support
- Compact PCB Design
- DIY Friendly
Specifications:
Brand: WUZHI Audio
Model: ZK-502C
Amplifier Chip: Texas Instruments TPA3116D2
Amplifier Type: Class-D Digital
Channels: 2.0 Stereo
Maximum Output Power: 50W × 2
Audio Inputs:
- Bluetooth 5.0
- 3.5mm AUX
Power Input: DC 9V–24V
Supported Voltage: DC 5V–27V
Speaker Impedance: 4Ω–8Ω
Recommended Speaker Power: 30W–200W
Bluetooth Range: Up to 15 meters (Open Area)
Protection Features:
- Over Voltage Protection
- Under Voltage Protection
- Over Temperature Protection
- Short Circuit Protection
- DC Detection Protection
Applications:
- DIY Speakers
- Home Audio
- Bookshelf Speakers
- Desktop Audio
- Multimedia Systems
- Bluetooth Audio Projects
- Portable Speaker Systems