The TDA1521 Audio Power Amplifier Board Module is a versatile DIY audio solution designed for audio enthusiasts who want to modify or enhance their speaker systems. Featuring a dual-channel output delivering 2 x 15W power amplifier module, this module includes a rectifier and filter circuit that ensures stable and clean power supply for superior audio performance. Built with high-quality materials, it offers durability, stable performance, and reliable operation under a wide range of voltages.
Features:
- Built-in TDA1521 power amplifier chip with rectifier and filter circuit
- Can be directly connected to a transformer for power supply
- Stable and clean power delivery for enhanced audio quality
- Wide application range in DIY audio projects and speaker modification
- Dual channel stereo output, 2 x 15W power output
- Requires an adequate heat sink for safe operation
Specifications:
- Model: TDA1521
- Type: Audio Power Amplifier Board
- Maximum Output Power: 2 x 15W
- Working Voltage: DC dual 8-20V, AC dual 6-15V
- Operating Temperature: -40°C to +85°C
- Board Size: 50mm x 50mm
- Weight: Approximately 30g
Application:
- Ideal for DIY audio speaker modification, hi-fi stereo systems, and other audio amplification projects requiring dual-channel power amplification.
Package Includes:
- 1 x TDA1521 Audio Amplifier Board Module

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