- Home Page /
- Electronics /
- Home Audio /
- Home Theater /
- Receivers & Amplifiers /
- Amplifiers /
- Wuzhi Audio ZK-502L Power Amplifier Board Cla...
0 ratings
Item #:
24577129
Wuzhi Audio ZK-502L Power Amplifier Board Class D AMP Module for DIY Wireless Speaker (ZK-502L)
85% of respondents would recommend this to a friend
Item #:
24577129
€ 20
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
Order now and get it around Monday, September 07
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
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
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Compact Design
The ZK-502L’s compact size makes it an ideal choice for DIY wireless speakers, fitting seamlessly into various designs without sacrificing audio quality.
Class D Efficiency
This amplifier board utilizes Class D technology, providing high energy efficiency and low heat generation, ensuring prolonged use without the risk of overheating.
Versatile Compatibility
Compatible with a wide range of speaker types and formats, making it an excellent choice for audio enthusiasts looking to customize their sound experience.
Product Details
- Output power of ZK-502L can reach up to 50w*2 (peak power) with a wide voltage input of DC 5-24V
- Features Bluetooth 5.0 for direct connection without needing a password
- Easy installation with interface illustrations printed on the protective plate and a short start-up sound
- Designed with protective case, over-heat protection, and short-circuit protection
- Committed to quality and customer service with 24/7 support
- Enables the modification of ordinary speakers into stylish Bluetooth speakers, reflecting individuality and creativity
| Voltage | 24 volts |
| Maximum Supply Voltage | 24 volts_of_direct_current |
| Minimum Supply Voltage | 5 volts_of_direct_current |
| Mounting Type | Surface Mount |
| Number of Channels | 1 |
| Output Power | 50 watts |
| Package Type Name | Box |
| Supply Current | 2.5 A |
| 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 |
| Number of Items | 1 |
| Unit Count | 1 Count |
| UPC | 194852389953 194852394544 194852394575 |
| Item Weight | 10 g |
| Part Number | ZK-502L |
| 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 Enthusiasts
Perfect for hobbyists looking to build their own wireless speakers with customizable audio settings.
-
Compact Systems
Ideal for users needing a small but powerful amplifier for limited space environments like apartments or dorms.
-
Budget Audiophiles
Great option for those seeking high-quality sound without breaking the bank on expensive audio equipment.
-
High-Power Needs
Users needing extremely high wattage may find this amplifier underpowered for large rooms or loud environments.
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 Wuzhi Audio ZK-502L Power Amplifier Board?
Answer: The Wuzhi Audio ZK-502L is a Class D amplifier module designed for powering DIY wireless speakers. Its compact design provides efficient power handling and sound reproduction. This amplifier is particularly popular among audio enthusiasts who want to build custom speaker systems. With features like high efficiency and low distortion rates, it can drive a variety of speaker types effectively, making it ideal for tailored audio projects. -
Question:
What are the key specifications of the ZK-502L module?
Answer: The ZK-502L comes with several impressive specifications, including a power output of up to 50W per channel at 4 ohms. It operates at a wide frequency range, ensuring rich sound quality. Additionally, the module supports various input and output types, which makes it versatile for integration into different audio systems. Hobbyists appreciate its small footprint, which makes it suitable for various DIY projects. -
Question:
Is the ZK-502L suitable for beginners in DIY audio projects?
Answer: Yes, the ZK-502L is suitable for beginners. Its straightforward design means it can be easily implemented into DIY projects without the need for extensive technical skills. Users can follow basic assembly instructions and connect it to their speakers relatively easily. For those new to audio projects, this module serves as a great introduction to amplifying audio signals and creating custom sound systems. -
Question:
How do I connect the ZK-502L to my speakers?
Answer: To connect the ZK-502L to your speakers, you must first wire the positive and negative terminals of the amplifier to the respective terminals of your speaker. Following that, you should provide power to the module using a compatible power supply. It is important to ensure proper polarity and secure connections to avoid potential damage. This connection allows you to enjoy enhanced sound performance from your DIY speaker setup. -
Question:
Can the ZK-502L work with Bluetooth audio sources?
Answer: The ZK-502L does not feature built-in Bluetooth capabilities. However, you can connect it to an external Bluetooth audio receiver. By doing this, you can stream audio wirelessly from your devices to the amplifier, providing a seamless experience. This setup is ideal for creating a wireless audio solution in your home or for portable speaker systems, combining modern convenience with classic DIY craftsmanship. -
Question:
What is the difference between Class D and Class AB amplifiers?
Answer: Class D amplifiers, like the ZK-502L, are known for their high efficiency and compact design, which allow for less heat generation compared to Class AB amplifiers. While Class AB amplifiers offer superior sound quality with lower distortion, they tend to generate more heat and require larger heat sinks. For DIY applications, especially where space is a concern, Class D amplifiers are often preferred for their performance-to-size ratio. -
Question:
What power supply is recommended for the ZK-502L?
Answer: For optimal performance, a regulated power supply ranging from 12V to 24V is recommended for the ZK-502L. The exact voltage depends on your application and the desired power output. A power supply that can offer adequate current according to the amplifier's specifications is crucial for achieving the best audio quality. Always ensure that your power source matches the modulated requirements to avoid any operational issues. -
Question:
What are the dimensions of the ZK-502L amplifier board?
Answer: The ZK-502L amplifier board typically measures around 100mm x 70mm, which makes it a compact option for various audio projects. Its small size is advantageous for fitting into tight spaces or integrating into custom enclosures. This attribute appeals to DIYers looking to create sleek and portable speaker systems without sacrificing sound quality. -
Question:
What kind of speakers can I pair with the ZK-502L?
Answer: The ZK-502L can be paired with various speaker types, including bookshelf and full-range speakers, as long as they are compatible with the amplifier’s output power specifications. The module is ideal for hobbyists who want to create custom sound systems, allowing them to experiment with different speaker configurations for enhanced audio experiences. Matching the impedance and power rating of the speakers is key for optimal performance. -
Question:
Where can I buy the Wuzhi Audio ZK-502L Power Amplifier Board in Guadeloupe?
Answer: You can purchase the Wuzhi Audio ZK-502L Power Amplifier Board from Ubuy in Guadeloupe. They offer a reliable purchasing experience and various options for getting this product delivered directly to your location. Ubuy is known for a wide assortment of electronics, making it an excellent choice for DIY enthusiasts looking to enhance their audio projects.
UwayKey Amplifiers Editorial Review
The UWAYKEY Mini Bluetooth Amplifier Board is a compact and affordable device that delivers great sound for its price point. The device is easy to connect and comes with clear instructions, making it simple to install even for those without much technical knowledge. The product has received mostly positive reviews from customers who have found it easy to use and install. Some reviewers have even used it to retrofit vintage equipment, such as old radios and guitar amplifiers, with great success.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Compact and affordable
- Easy to install and use
- Delivers great sound for its price point
- Can be used to retrofit vintage equipment
Cons
- No aux input
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
€ 20
Order now and get it around Monday, September 07
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Output power of 50w*2
- Wide voltage input: DC 5-24V
- Bluetooth 5.0 connectivity without password
- Easy installation and short start-up sound
- Protective functions against overheat and short-circuits
- 24/7 customer service with 100% satisfaction guaranteed
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.