3-Pack TDA7293/TDA7294 Mono Amplifier PCB Bare Board
3-Pack TDA7293/TDA7294 Mono Amplifier PCB Bare Board
Build your own high-quality mono audio amplifier with this set of 3 TDA7293/TDA7294 Mono Channel Amplifier PCB Bare Boards. Compatible with both TDA7293 and TDA7294 ICs, these FR4 double-sided fiberglass boards are the perfect foundation for DIY audio enthusiasts, electronics hobbyists, and audio engineers looking to drive powerful home floor-standing speakers.
Made in Mainland China.
Key Features
- Model Compatibility: TDA7293 / TDA7294 ICs
- Power Supply: Dual AC 15V–36V (with rectification & filtering) or DC ±18V to ±50V; recommended DC ±35V from a 26V/200W toroidal transformer
- Battery Compatible: Can be powered by batteries wired in series
- Transformer Requirement: Minimum 100W for mono use; minimum 200W for dual-channel use
- Rectifier Filter: Total ≥ 40,000 µF for two channels; rectifier bridge rated 25A or higher recommended
- Maximum Output Power: 85W
- Load Capability: Suitable for driving large home floor-standing speakers
- Board Material: FR4 double-sided fiberglass, 2oz copper, blue solder mask ink, double-sided HASL (spray tin finish)
- Dimensions: 3.5 × 5 cm (approx. 1.38 × 1.97 inches)
What's in the Box
- 3 × TDA7293/TDA7294 Mono Channel Amplifier PCB Bare Boards
Ideal For
- DIY home audio amplifier builds
- Electronics enthusiasts and hobbyists
- Audio engineering and prototyping projects
- Powering large-scale floor-standing speakers
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Frequently Asked Questions
Q: Are these TDA7293/TDA7294 PCB boards compatible with both IC models?
A: Yes! These mono channel amplifier PCB bare boards are designed to be fully compatible with both the TDA7293 and TDA7294 ICs, giving you flexibility depending on the components you source.
Q: What power supply do I need for the TDA7293/TDA7294 amplifier board?
A: The boards accept a dual AC 15V–36V supply (requires rectification and filtering) or a DC ±18V to ±50V supply. For optimal performance, a dual 26V/200W toroidal transformer with rectification to approximately DC ±35V is recommended.
Q: How many boards are included in this listing?
A: This listing includes 3 TDA7293/TDA7294 mono channel amplifier PCB bare boards, making it a great value for multi-channel builds or projects requiring spare boards.
Q: What kind of speakers can these amplifier boards drive?
A: With a maximum output of 85W per channel, these boards are capable of driving large-scale, floor-standing home speakers for a full, rich audio experience.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.