
(Product images are shown for illustrative purposes only and may differ from actual products.)
SD300 Class-AB Audio Power Amplifier Board
- Brand
- SD Audio
- SKU
- MSD042
- Country of Origin
- India
- Availability
- In Stock
Model No.: SD300
GST Invoice: Available for all purchases; eligible for input tax credit.
Delivery: 2–8 days across India. No MOQ required.
Bulk Orders: Need a larger quantity or item not in stock? Request a bulk quote.
Import Service: We import a wide range of electronic components on request.
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Key Features
- Model No.: SD300
- Amplifier Type: Class AB Power Amplifier
- PCB Size: 80 × 50 mm
- Power Supply: 60 V DC, Dual Supply
- Supply Configuration: ±60 V DC recommended
- Input: Unbalanced / Single-Ended Audio Input
- Output: Speaker / Audio Power Output
- Output Stage: Discrete transistor-based design
- Cooling: Heavy-duty aluminum heatsink
- Emitter Resistors: High-power cement resistors for output-stage stability
- Control: 1 control (specific function not specified)
- Construction: Compact PCB with onboard driver, biasing and amplifier circuitry
- Application: Suitable for DIY and high-power audio amplifier projects
- Board Marking: SD-Audio / SD300
- Design: Compact, heatsink-mounted Class AB topology





