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Item #:
92672157
DollaTek 20Wx2 Stereo bluetooth Digital Power Amplifier Board Module Dual Channel 360° Stepless Tuning Board - With Case
87% of respondents would recommend this to a friend
Item #:
92672157
XCD 50
Price Details
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Imported from UK store
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Order now and get it around Sunday, September 27
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Stepless tuning with rotary encoder used by high-end speakers ensures a smooth feel with one-key start and stop.
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What Stands Out
Compact Design
This amplifier board is designed for tight spaces, making it ideal for DIY audio projects without sacrificing sound quality or requiring extensive installation.
360° Stepless Tuning
Enjoy precise volume adjustments with the 360° stepless tuning feature, allowing for smooth transitions and eliminating harsh jumps in audio levels during playback.
Bluetooth Connectivity
Seamlessly connect to your devices via Bluetooth, ensuring a wireless experience that supports various audio sources and enhances convenience for users on the go.
Product Details
| Voltage | 24 Volts |
| Maximum Supply Voltage | 24 Volts (DC) |
| Minimum Supply Voltage | 9 Volts (DC) |
| Mounting Type | freestanding |
| Number of Channels | 2 |
| Output Power | 20 Watts |
| Package Type Name | antistatic bag or plastic clamshell |
| Supply Current | 2 Amps |
| Maximum Output Power | 20 watts |
| Specification Met | Bluetooth 5.0 |
| Manufacturer | DollaTek |
| Model Number | ELA21306 |
| Brand | DollaTek |
| Number of Items | 1 |
| Country Of Origin | China |
| Manufacturer Part Number | ELA21306 |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
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DIY Audio Enthusiasts
Ideal for users who enjoy building custom audio systems and require a compact amplifier module.
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Small Spaces
Perfect for users with limited space, thanks to its compact size and lightweight design.
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Casual Listeners
Great for those who want a simple, easy-to-use amplifier for background music in everyday settings.
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Professional Audio Work
Not suitable for professional studio work due to limited power and sound quality requirements.
Product Description
DollaTek 20Wx2 Stereo bluetooth Digital Power Amplifier Board Module Dual Channel 360° Stepless Tuning Board - With Case
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Customer Questions & Answers
-
Question:
What is the maximum supported power supply for 4Ω speakers?
Answer: The power supply cannot exceed 12V when using 4Ω speakers. -
Question:
What audio inputs are available for this amplifier?
Answer: The amplifier supports both Bluetooth and AUX audio inputs. -
Question:
What kind of protection does this amplifier feature?
Answer: It has electrostatic protection, overheating protection, overcurrent protection, and short circuit protection.
DollaTek Amplifiers ELA21306 Editorial Review
The DollaTek 20Wx2 Stereo Bluetooth Digital Power Amplifier Module has garnered mixed reactions from users, highlighting a range of performance issues primarily related to sound quality. Many customers have reported dissatisfaction due to the sound being described as "flat," indicating a lack of depth or richness in the audio output. Users have also experienced noticeable interference and distortion, especially when increasing the volume. This suggests that the amplifier may struggle with maintaining audio fidelity under certain conditions, particularly when connected to different audio sources or speaker setups. Installation has been another point of contention. While some users find the connections straightforward, the absence of an instructional manual has left others frustrated, especially when linking the amplifier to a vehicle's audio system. Reports of noise potentially stemming from grounding issues hint at design flaws that could complicate user experiences. Furthermore, the lack of responsiveness from customer service regarding product complaints has left some users feeling unsupported and leads them to conclude that they may have received a defective unit. In summary, while the DollaTek amplifier presents an enticing product concept, its reception reflects significant challenges with audio quality, installation guidance, and customer support. **
Customer Reviews & Ratings
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Pros
- Easy-to-understand connections.
- Compact design with an included case.
Cons
- Sound quality described as flat, lacking depth.
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Features & Benefits
- Widely used for various applications.
- Features stepless tuning with a high-end rotary encoder.
- Easy one-key start and stop function.
- Comprehensive protection mechanisms for safety.
- Supports Bluetooth and AUX audio input.
- Compact size with lightweight design for easy installation.
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