Looking for 3w Module? Mini Digital Amplifier Module USB Charger 3W Dual Track with Cable is available at Zbotic with fast shipping across India.
Mini Digital Amplifier Module USB Charger 3W Dual Track with Cable
The Mini Digital Power Amplifiers 3W Dual Track combines the performance of a Class AB power amplifier with the efficiency of a Class D amplifier. Its design features a low-noise, filter-free structure, eliminating the need for traditional D-class amplifier output low-pass filters. With minimal external components required, this amplifier conserves PCB space and reduces system costs, making it particularly suitable for portable applications.
Features
- A d-type amplifier without a filter, low quiescent current, and low EMI.
- When connects with a 4-ohm load and 5V power supply, the output power can be up to 3W.
- Low THD, Low Noise.
- Short circuit protection; thermal protection.
Specifications
| Operating Voltage | 2.5-5.5 V(USB power supply). |
| Cable Length(mm) | 200 |
| Output Power(Watt) | 3W+3W |
| Input Impedance | 2 Kohm |
| Output Impedance | 4 ohm. |
| Efficiency | 90% |
| Frequency Response | 50 Hz – 20 KHz |
Package Includes
1 x Mini Digital Amplifier Module USB Charger 3W Dual Track with cable
Mini Digital Amplifier Module USB Charger 3W Dual Track Overview
The Mini Digital Amplifier Module USB Charger 3W Dual Track is a compact stereo power amplifier designed to drive two 4 Ω speakers with up to 3 W per channel. Powered via a standard USB cable (2.5–5.5 V), it delivers clean audio amplification without the need for external output filters, making it ideal for space-constrained and portable audio projects.
Key Features of Mini Digital Amplifier Module USB Charger 3W Dual Track
- Dual-channel Class D amplifier delivering 3 W per channel into 4 Ω loads
- Filter-free design eliminates external low-pass components and reduces PCB footprint
- High efficiency up to 90% with low quiescent current and minimal heat generation
- Wide frequency response from 150 Hz to 20 kHz for clear mid- to high-range audio
- Input impedance 2 kΩ ensures compatibility with most line-level sources
- Includes USB power cable for easy 2.5–5.5 V USB supply hookup
- Genuine product, fast shipping across India from Zbotic
Applications and Use Cases
- DIY portable Bluetooth speaker modules requiring compact amplification
- Raspberry Pi or Arduino audio projects for alarms, notifications, or music
- Educational electronics kits teaching principles of Class D amplification
- Multimedia enclosures and custom soundbars in small form factors
- Battery-powered audio demos at trade shows or exhibitions
How to Use Mini Digital Amplifier Module USB Charger 3W Dual Track
Connect the included USB cable to a 5 V USB port or power bank to supply 2.5–5.5 V. Feed left and right audio signals into the module’s dual track input pins. Attach two 4 Ω speakers to the output terminals, ensuring correct polarity. Power on and adjust the source volume; the onboard Class D stage automatically drives the speakers without extra filters.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
What power supply voltage range does this amplifier support?
This module accepts a wide USB-compatible input voltage from 2.5 V up to 5.5 V, making it ideal for standard 5 V power banks and USB chargers.
Can I drive headphones directly with this amplifier?
While you can connect headphones, the 4 Ω output and 3 W power rating are optimized for small speakers. Use suitable attenuators or volume control to avoid excessive loudness on sensitive headphones.
Does the module require external EMI filters?
No. Its filter-free Class D design minimizes EMI and removes the need for additional low-pass filters, saving PCB space and reducing component costs.
Technical Specifications
| Power Rating | 3W |
|---|---|
| Interface / Protocol | USB, BLE |
| Connector Type | USB-C |
| SKU | AI0724 |
| Weight | 0.0114 kg |
| Availability | Out of Stock |
Applications & Use Cases
The Mini Digital Amplifier Module USB Charger 3W Dual Track with Cable is a versatile audio amplifier module used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.
Common use cases:
- Integrating into a custom electronics project
- Learning and experimenting with circuits
- Replacing or upgrading components in existing setups
This product is ideal for electronics enthusiasts, engineers, and students.
Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
Ravi Pandey (verified owner) –
This Mini Digital Amplifier Module USB Charger is reliable and efficient. Running my IoT setup 24/7 with no issues.
Mukesh Arora –
Excellent Mini Digital Amplifier Module USB Charger! Output is stable and reliable. Perfect for my electronics project.
Pallavi Garg (verified owner) –
Good Mini Digital Amplifier Module USB Charger. Output is stable. Gets slightly warm under full load but nothing concerning.
Karan Malhotra (verified owner) –
This Mini Digital Amplifier Module USB Charger is exactly what I needed. Output current capacity is as advertised.
Anjali Solanki (verified owner) –
Good quality Mini Digital Amplifier Module USB Charger. Ripple is low. Suitable for most electronics projects.
Ankur Banerjee (verified owner) –
Decent Mini Digital Amplifier Module USB Charger. Voltage output is accurate. Compact form factor is a plus.
Tarun Grewal –
Nice Mini Digital Amplifier Module USB Charger. Works as expected for my power needs. Good efficiency.
Daksh Kulkarni (verified owner) –
Bought multiple units of this Mini Digital Amplifier Module USB Charger. All consistent quality. Zbotic is reliable.
Sumit Desai (verified owner) –
Superb Mini Digital Amplifier Module USB Charger! Efficiency is high and it runs cool even under load.
Lakshmi Khurana (verified owner) –
Good quality Mini Digital Amplifier Module USB Charger. Ripple is low. Suitable for most electronics projects.
Zubin Hegde (verified owner) –
This Mini Digital Amplifier Module USB Charger performs flawlessly. Voltage regulation is precise and consistent.
Lokesh Nayak –
Outstanding! This Mini Digital Amplifier Module USB Charger supplies clean power to my sensitive circuits. No noise at all.
Rohit Deshpande –
Very satisfied with this Mini Digital Amplifier Module USB Charger. Using it in my solar project, charges perfectly.
Lakshya Solanki (verified owner) –
Great quality Mini Digital Amplifier Module USB Charger. Powering my entire project board with this. Very reliable.
Devansh Srivastava (verified owner) –
This Mini Digital Amplifier Module USB Charger performs flawlessly. Voltage regulation is precise and consistent.
Riya Mittal (verified owner) –
Decent Mini Digital Amplifier Module USB Charger. Voltage output is accurate. Compact form factor is a plus.
Varun Deshpande (verified owner) –
Great Mini Digital Amplifier Module USB Charger. Voltage is rock solid under varying loads. Highly recommended.
Gaurav Menon –
This Mini Digital Amplifier Module USB Charger is reliable and efficient. Running my IoT setup 24/7 with no issues.
Bharat Mehta (verified owner) –
Decent Mini Digital Amplifier Module USB Charger. Voltage output is accurate. Compact form factor is a plus.