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Item #:
5367618
Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302 [ADA2130]
86% of respondents would recommend this to a friend
Item #:
5367618
GHS 279
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This super small mono amplifier is surprisingly powerful.
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What Stands Out
High Efficiency
The PAM8302 amplifier boasts a Class D design, ensuring minimal power loss and increased efficiency, perfect for battery-powered projects where conserving energy is vital.
Compact Size
With its small footprint, the Adafruit Mono Audio Amplifier easily integrates into projects without bulk, ideal for portable applications or space-constrained designs.
Easy Integration
Designed for seamless compatibility with Arduino and Raspberry Pi, this amplifier simplifies setup for hobbyists and educators, enabling quick audio enhancement for various DIY projects.
Product Details
- Delivers up to 2.5 Watts into 4-8 ohm impedance speakers
- Very efficient Class-D controller amp
- Built-in thermal and over-current protection
- Fixed 24dB gain, onboard trim potentiometer for adjusting input volume
- Output is Bridge Tied, directly connecting to speaker pins with no ground connection
- Comes with fully assembled and tested breakout board, headers, and 3.5mm screw-terminal blocks for easy speaker attachment
| Voltage | 5.5 volts |
| Maximum Supply Voltage | 5.5 volts_of_direct_current |
| Minimum Supply Voltage | 2 volts_of_direct_current |
| Mounting Type | Surface Mount |
| Number of Channels | 1 |
| Output Power | 2.5 watts |
| Package Type Name | box or padded envelope |
| Supply Current | 4 milliamps |
| Maximum Output Power | 2.5 watts |
| Item Dimensions | 3.54 x 2.36 x 0.39 inches (9 x 6 x 1 cm) |
| Manufacturer | Adafruit |
| Model | PAM8302 |
| Brand Name | Adafruit |
| Number of Items | 1 |
| UPC | 748347525977 711978442135 |
| Item Weight | 20 g |
| Part Number | 2130 |
| Item dimensions L x W x H | 3.54 x 2.36 x 0.39 inches (9 x 6 x 1 cm) |
Who Should Buy?
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DIY Audio Projects
Ideal for hobbyists working on custom audio projects requiring compact and efficient amplification.
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Compact Speakers
Perfect for users needing a lightweight amplifier for small speakers in portable applications.
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Education Use
Suitable for educational environments where students learn about electronics and audio engineering basics.
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High Power Users
Not suitable for those requiring more than 2.5W of power for larger audio systems.
Product Description
Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302 [ADA2130]
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Customer Questions & Answers
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Question:
What are the primary features of the Adafruit Mono 2.5W Class D Audio Amplifier?
Answer: The Adafruit Mono 2.5W Class D Audio Amplifier features a compact design, delivering 2.5W of power, making it ideal for portable audio projects. It utilizes Class D amplification for high efficiency and low heat generation, ensuring users can enjoy high-quality audio without excessive energy consumption. This amplifier is compatible with a wide range of audio inputs, from microcontrollers to various audio sources, enhancing versatility. It's particularly suited for DIY audio projects, hobbyist creations, or small speaker systems, allowing creators to integrate sound into their designs seamlessly. -
Question:
How do I connect the PAM8302 to my audio source?
Answer: To connect the PAM8302 to your audio source, simply attach the audio input pins to your device's audio output. Use standard audio cables, making sure the ground connections are linked for a stable signal. The amplifier has an easily accessible power input that can be connected to your power supply. This setup is great for makers using Arduino or Raspberry Pi to enhance their projects with sound output, allowing for a straightforward and efficient way to incorporate audio into your builds. -
Question:
What is the ideal power supply for the Adafruit Mono 2.5W Audio Amplifier?
Answer: The ideal power supply for the Adafruit Mono 2.5W Audio Amplifier ranges from 2.5V to 5.5V, with 5V being a common choice for most applications. This allows for optimal performance, ensuring that the amplifier functions effectively without experiencing power shortages. Users can employ battery systems or USB power sources, providing flexibility for various projects. It's especially useful in portable devices or when building battery-operated audio solutions. -
Question:
Can the PAM8302 be used in portable devices?
Answer: Yes, the PAM8302 is well-suited for portable devices due to its compact size and low power consumption. With its Class D amplification, it generates less heat while providing ample sound output, which is essential for battery-operated applications. Hobbyists often integrate this amplifier into battery-powered speakers, audio toys, or custom DIY projects, making it a favorite for those who seek high-quality sound in a small form factor. -
Question:
What type of speakers can I use with the Adafruit PAM8302 amplifier?
Answer: You can use 4-8 ohm speakers with the Adafruit PAM8302 amplifier. This range accommodates a variety of speaker types, allowing the amplifier to deliver excellent sound quality. It's commonly paired with small to medium-sized speakers in DIY audio projects, ensuring that users can achieve a rich, loud sound without distortion. Whether enhancing a portable speaker project or integrating audio into a gadget, the speaker compatibility is versatile. -
Question:
Is the Adafruit Mono 2.5W Class D Audio Amplifier suitable for beginners?
Answer: Absolutely! The Adafruit Mono 2.5W Class D Audio Amplifier is beginner-friendly, featuring simple wiring and straightforward connections. Its compact board design and clear pin markings make it easy for newcomers to start their audio projects without extensive electronics knowledge. Additionally, with ample online resources and tutorials available, beginners can get guidance on how to integrate this amplifier into their projects, making it an ideal entry point into audio electronics. -
Question:
What are common applications for the PAM8302 amplifier?
Answer: The PAM8302 amplifier is versatile and can be used in various applications such as DIY speakers, portable audio systems, and robotic projects. This component is popular among hobbyists and educators for providing sound in interactive exhibits and educational tools. It excels in enhancing sound quality in personal projects such as music players and alarm systems, making it a go-to choice for anyone looking to add audio capabilities to their designs. -
Question:
Does the AMP include any protection features?
Answer: Yes, the PAM8302 amplifier includes built-in protection features to safeguard against short circuits and overcurrent situations, enhancing durability during use. These protections are vital for users who may be experimenting with different audio sources or speaker configurations, ensuring that the amplifier remains operational even under varying conditions. For project builders, this means less concern about damaging their components, allowing for more experimental and creative designs. -
Question:
What is the maximum output power of the PAM8302 amplifier?
Answer: The maximum output power of the PAM8302 amplifier is 2.5W at 4 ohms. This power is adequate for driving small speakers and delivering clear audio in various applications. It's particularly effective for hobby projects or portable speaker systems that require a compact yet powerful audio solution. Users can enjoy sound output that enhances overall project engagement, whether it's for music, sound effects, or notifications in DIY electronics. -
Question:
Where can I buy Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302 [ADA2130] in Ghana?
Answer: You can purchase the Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302 [ADA2130] from Ubuy. They offer a variety of electronic components, making it convenient for customers in Ghana to access this amplifier for their project needs. Ubuy provides a straightforward shopping experience, allowing you to easily find and order the amplifier along with related components to complete your electronic endeavors.
Adafruit Amplifiers Editorial Review
This Audio IC Development Tool is a single-piece Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302. It comes with marked pin usage on the board, while detailed hookup instructions can be found on the Adafruit website. The shutdown option is used to shut down and put the amp in a low power mode. Two amps can be used for stereo output using FX mini. Though it has the capability to be connected to a headphone cable, it is not strong enough to boost the volume of FX board to be heard clearly in a crowded room. Overall, this single-piece Audio IC Development Tool appears to be a useful and versatile tool for amateur audio enthusiasts. Its potential to create high-quality stereo output with FX mini is promising. It helps shut down and put the amp in low power mode, making it less energy-intensive, and it has the potential to connect to headphones.
Customer Reviews & Ratings
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Pros
- Adequate marking on the board for pin usage
- Detailed hookup instructions available on website
- Shutdown option available to Conserve power
- Can be linked with FX mini for stereo output
- Connection to headphone cable is possible
Cons
- Not capable of producing a high volume output for a crowded room.
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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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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GHS 279
Order now and get it around Tuesday, September 29
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Features & Benefits
- Delivers up to 2.5 Watts into 4-8 ohm impedance speakers.
- Highly efficient, perfect for portable and battery-powered projects.
- Built-in thermal and over-current protection.
- Volume trim pot allows for easy volume adjustment.
- Differential inputs with Bridge Tied output.
- Includes fully assembled and tested breakout board.
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