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This little thing smaller than a card can output up to 50w*2 power (peak power). User Can Directly Connect with Wireless Bluetooth 5.0 without Password. The Illustration Of Each Interface Is Printed On The Protective Plate, Making It Easy To Install Even Without Instructions. This BT Amp Is Designed with Protective Case, Over-heat Protection, Short-circuit Protection
Item #:
36178318
Wuzhi Audio ZK-502L Power Amplifier Board Class D AMP Module for DIY Wireless Speaker (ZK-502L)
Item #:
36178318
XAF 13552
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
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Imported from USA store
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This little thing smaller than a card can output up to 50w*2 power (peak power). User Can Directly Connect with Wireless Bluetooth 5.0 without Password. The Illustration Of Each Interface Is Printed On The Protective Plate, Making It Easy To Install Even Without Instructions. This BT Amp Is Designed with Protective Case, Over-heat Protection, Short-circuit Protection
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Class D Efficiency
The ZK-502L utilizes Class D technology for high efficiency, reducing power consumption while delivering optimal sound quality, making it ideal for DIY wireless speaker projects.
Compact Design
Its small form factor allows for easy integration into various devices, perfect for compact speaker setups without compromising on audio performance.
DIY Friendly
Designed for DIY enthusiasts, the Wuzhi Audio ZK-502L offers a user-friendly interface and clear instructions, empowering users to build tailored audio solutions that meet their needs.
Product Details
- Compact and powerful - Output power of up to 50W*2 (peak power)
- Bluetooth 5.0 - Convenient wireless connectivity without the need for a password
- Easy installation - Illustrations of each interface printed on the protective plate for easy setup
- Short start-up sound - The amp board quickly starts and connects to Bluetooth
- Protective function - Designed with over-heat and short-circuit protection
- Excellent customer service - Committed to providing a 100% satisfactory solution
| Voltage | 24 Volts |
| Maximum Supply Voltage | 24 Volts (DC) |
| Minimum Supply Voltage | 5 Volts (DC) |
| Mounting Type | Surface Mount |
| Number of Channels | 1 |
| Output Power | 50 Watts |
| Package Type Name | Box |
| Supply Current | 2.5 Amps |
| Maximum Output Power | 50 watts |
| Item Dimensions | 2.16 x 1.49 x 0.66 inches (5.5 x 3.8 x 1.7 cm) |
| Material Type | Plastic |
| Manufacturer | UWAYKEY |
| Model | ZK-502L |
| Brand Name | UwayKey |
| UPC | 194852389953 194852394544 194852394575 |
| Part Number | ZK-502L |
| Item Weight | 10 Grams |
| Unit Count | 1 Count |
| Item dimensions L x W x H | 2.16 x 1.49 x 0.66 inches (5.5 x 3.8 x 1.7 cm) |
Who Should Buy?
-
DIY Audio Enthusiasts
Ideal for hobbyists looking to build custom sound systems or wireless speakers with compact and efficient amplification.
-
Budget-Conscious Users
Great option for those needing an affordable amplifier without compromising on sound quality for everyday listening.
-
Compact Spaces
Perfect for users with limited space who need a small, efficient amplifier that delivers good performance.
-
High-End Audiophiles
May not satisfy critical listeners seeking the ultimate sound quality and advanced features in their audio equipment.
Product Description
Wuzhi Audio ZK-502L Power Amplifier Board Class D AMP Module for DIY Wireless Speaker (ZK-502L)
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the recommended DC power supply for the amplifier board?
Answer: It is recommended to use a DC power supply between 12-20V. -
Question:
What is the maximum voltage input for the amplifier board?
Answer: The maximum voltage input is DC 5-24V. -
Question:
What is the sound of the amp board when starting up and connecting to Bluetooth?
Answer: The sound of the amp board to start and connect to Bluetooth is short.
UwayKey Amplifiers Editorial Review
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23 July 2026 · via Trustpilot
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XAF 13552
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Features & Benefits
- Output power of up to 50w*2
- Directly connect with wireless Bluetooth 5.0 without password
- Easy installation with interface illustration printed on protective plate
- Designed with over-heat and short-circuit protection
- Commitment to quality and customer service
- 24/7 customer support with 100% satisfactory solution
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