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- ZK-MT21 2.1 Ch Bluetooth 5.0 Amp Board, 100W ...
Item #:
220135823
ZK-MT21 2.1 Ch Bluetooth 5.0 Amp Board, 100W Subwoofer | 50W+50W+100W subwoofer output.Digital audio amp module for home theater DIY speakers.
Item #:
220135823
BDT 4009
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Sunday, July 26
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Experience cinema-like sound with immersive 2.1 channels and professional-grade audio quality.
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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
High Power Output
Delivers a robust 50W+50W for stereo and a powerful 100W for subwoofers, enhancing audio performance for home theater setups with rich, immersive sound that meets audiophile standards.
Bluetooth 5.0
Equipped with Bluetooth 5.0 for seamless connectivity, allowing users to easily stream audio from devices without the hassle of wires, ensuring convenience and modern usability.
DIY Friendly Design
Designed for DIY enthusiasts, this amplifier board allows easy integration into custom speaker setups, appealing to hobbyists seeking to create personalized audio experiences without professional assembly.
Product Details
| Voltage | 12 Volts |
| Maximum Supply Voltage | 24 Volts |
| Minimum Supply Voltage | 12 Volts |
| Mounting Type | Surface Mount |
| Output Power | 100 Watts |
| Package Type Name | BOX |
| Supply Current | 5 Amps |
| Maximum Output Power | 50W+50W+100W |
| Item Dimensions | 3.66 x 3.54 x 0.87 inches (9.3 x 9 x 2.2 cm) |
| Material Type | Acrylic |
| Specification Met | CE |
| Manufacturer | SZYZ |
| Model | SZYZZK-MT21 |
| Brand Name | Generic |
| Part Number | ZK-MT21 |
| Item Weight | 0.3 Pounds (140 grams) |
| Included Components | 1x power amplifier module |
| Item dimensions L x W x H | 3.66 x 3.54 x 0.87 inches (9.3 x 9 x 2.2 cm) |
| Country of Origin | This item will be imported from US |
| Date First Available | January 24, 2026 |
Who Should Buy?
-
DIY Audio Enthusiasts
Ideal for users who enjoy building custom audio systems with tailored specifications and features.
-
Home Theater Owners
Perfect for users wanting to enhance their home theater experience with quality sound and multiple speaker outputs.
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Bluetooth Users
Great for individuals looking for a modern Bluetooth option to connect devices wirelessly to their sound system.
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Non-Technical Users
May not suit beginners unfamiliar with audio setup and troubleshooting, requiring more guidance and ease of use.
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High-Power Demands
Not suitable for users needing extremely high power output for large spaces or professional-grade audio applications.
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Compact Spaces
Users with limited space may find this amplifier board bulky or challenging to integrate into smaller setups.
Product Description
ZK-MT21 2.1 Ch Bluetooth 5.0 Amp Board, 100W Subwoofer | 50W+50W+100W subwoofer output.Digital audio amp module for home theater DIY speakers. Bluetooth 5.0 stable connection.
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Customer Questions & Answers
-
Question:
What is the maximum output power?
Answer: The maximum output power is 50W for each channel and 100W for the subwoofer. -
Question:
Can I use it with a 24V battery pack?
Answer: No, do not connect it to a 24V battery pack. -
Question:
What types of audio inputs does it support?
Answer: It supports Bluetooth 5.0 and 3.5mm AUX input for audio sources.
Audio Editorial Review
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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Shawati
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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BDT 4009
Order now and get it around Sunday, July 26
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.)
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Features & Benefits
- 2.1 channel audio amplifier module with exceptional sound quality.
- Max output of 50W per channel and 100W for subwoofer.
- Bluetooth 5.0 and AUX input for versatile audio connectivity.
- Compact dimensions: 93*90*22mm, perfect for any upgrade project.
- Built-in protection against over-voltage, short-circuits, and overheating.
- Easy DIY integration for impressive audio experiences.
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