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Item #:
7183066
HiLetgo 5pcs PAM8403 2X 3W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input
Item #:
7183066
AUD 20
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In stock
Imported from USA store
QTY:
Order now and get it around Saturday, August 22
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Super mini volume: 1.85 x 2.11 cm.Can be easily placed in a variety of digital products within a small space, high efficiency amplification
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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
Compact Design
The mini power amplifier board is exceptionally compact, making it easy to integrate into various projects without consuming much space, ideal for DIY audio applications.
High Efficiency
Operating at Class D technology, this amplifier provides high power efficiency, delivering quality sound output with minimal power consumption, suitable for battery-operated devices.
Versatile Input Range
With an input voltage range of 2.5-5V, this amplifier accommodates a wide range of power sources, providing flexibility for various setups and ensuring compatibility with different devices.
Product Details
- Super mini volume: 1.85 x 2.11 cm, suitable for small spaces in various digital products
- Dual-channel stereo, delivers 3W + 3W power output, suitable for 4Ω, 8Ω small speakers
- Excellent noise suppression with built-in noise canceling circuit
- Can be powered directly from a computer's USB port, providing high efficiency of 90%
- Features short-circuit current protection and over-temperature protection
- Operating voltage: 2.5V-5.5V, recommended speaker with 4-8 ohms, and power 2-8W
| Voltage | 5 Volts |
| Maximum Supply Voltage | 5.5 Volts (DC) |
| Minimum Supply Voltage | 2.5 Volts |
| Mounting Type | Surface Mount |
| Number of Channels | 2 |
| Output Power | 6 Watts |
| Package Type Name | individual small plastic bags or shrink wrap |
| Maximum Output Power | 6 watts |
| Item Dimensions | 0.82 x 0.7 x 0.13 inches (2.1 x 1.8 x 0.3 cm) |
| Material Type | Printed Circuit Board (PCB) materials, copper, and solder |
| Manufacturer | HiLetgo |
| Model | 3-01-0114 |
| Brand Name | HiLetgo |
| UPC | 797698770550 |
| Part Number | 3-01-0114-10PCS |
| Unit Count | 5.0 Count |
| Item dimensions L x W x H | 0.82 x 0.7 x 0.13 inches (2.1 x 1.8 x 0.3 cm) |
Who Should Buy?
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DIY Audio Projects
Ideal for hobbyists and DIY enthusiasts creating custom audio systems needing compact and efficient amplifiers.
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Portable Devices
Great for powering small, battery-operated speakers or portable audio devices with its wide input voltage range.
-
Learning Electronics
Useful for students and beginners in electronics, providing a practical example of Class D amplifier functionality.
-
High-Power Use
Not suitable for users needing high power output for larger speakers or professional audio applications.
Product Description
HiLetgo 5pcs PAM8403 2X 3W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the size of the amplifier board?
Answer: The size of the board is super mini with dimensions of only 1.85 x 2.11 cm -
Question:
Can it be powered by a USB port?
Answer: Yes, it can be powered directly from a computer's USB port -
Question:
What is the maximum power output?
Answer: It can provide 3W + 3W output power in the 4 ohms load and 5V power supply conditions
HiLetgo Amplifiers Editorial Review
The HiLetgo 5pcs PAM8403 2x3W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input is a small, USB-powered practice amp that comes in a set of five. It works as advertised, although the fidelity of sound suffers when used with a 3 ohm speaker. The amplifier can drive two 8 ohm 10-watt speakers without overdriving them, but it is not recommended for use with a full-sized pair of headphones. The amp is easy to wire up and has enough juice to make things happen, making it great for prototyping. It is not recommended to use with anything that has a common ground, like headphones, and it should be kept away from sensitive electronics because of the large 250KHz carrier from the Class D circuit.
Customer Reviews & Ratings
1 customers ratings
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Pros
- Comes in a set of five
- Small and USB-powered
- Easy to wire up and use
- Can drive two 8 ohm 10-watt speakers without overdriving them
Cons
- Fidelity of sound suffers when used with a 3 ohm speaker
Platform Trust & Buyer Confidence
CJ
Chris
Verified buyer
“Promt delivery. Seems like a good product.”
22 July 2026 · via Trustpilot
SM
Scott
Verified buyer
“It was the best service ever received by any company from my online shopping experience in the last 10yrs”
11 July 2026 · via Trustpilot
TD
Terri
Verified buyer
“so easy to order delivery was way earlier than i expected”
3 July 2026 · via Trustpilot
GC
Gavin
Verified buyer
“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”
21-Jul-26 · via Trustpilot
J
Jeannie
Verified buyer
“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”
17-Jul-26 · via Trustpilot
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AUD 20
Order now and get it around Saturday, August 22
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Features & Benefits
- Highly efficient digital power amplifier board
- Super mini size with dimensions of only 1.85 x 2.11 cm
- Provides 3W + 3W power output with dual channel stereo
- Excellent noise suppression with a built-in noise-canceling circuit
- Can be powered directly from USB with no need for a heat sink
- Double-panel wiring for balanced wiring and crosstalk prevention
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