UNISIAN 200W TDA7294 Audio Amplifier Board 2.0 Channel BTL 200W+200W Class-AB High Power Amplifiers
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Specifications
- Brand Name
- Lenwaycn
- High-concerned chemical
- None
- Maximum Power Per Channel
- Above 200W
- Origin
- Mainland China
- Channels
- 2 (2.0)
- Certification
- None
- Model Number
- DX-005_450B
- Item name
- TDA7294 Audio Amplifier
- Power Supply
- DualAC22V-32V (AC28V-0-28V)
- Output Power
- 2X100W Max
Product Description
This product uses four TDA7294 chips, and each channel uses 2 chips to form a BTL circuit, with a maximum output of 200W per channel.
Parameters:
Item name: TDA7294 Audio Amplifier
Chips :4*TDA7294
Channels: 2.0
Output Power: 2X200W Max
Power Supply: DualAC22V-32V (AC28V-0-28V)
Impedance:4-16Ω
Signal Input: XH2.54mm/5.08mm
Size:185*135*55mm
Please insert AC12V drive fan to work
Tips :
1. Support DIY to add B50K potentiometer as volume control
2. Different batches result in different audio input interfaces. Default Random
Manual measurement of dimensions may result in errors. for reference only
Pros & Cons
Pros
- High 200W x2 output with 4 premium TDA7294 chips in BTL config
- Class-AB for clean powerful sound, 4-16Ω impedance
- Dual power supply support for robust performance
- Ideal for DIY 2.0 channel audio amplifiers
Cons
- Requires specific dual AC power supply, not plug-and-play
- No built-in heatsink, may overheat at max power
- Bare board needs enclosure for safe use
Common Questions
What power output and channels for this TDA7294 amplifier?
2.0 channel BTL, 200W+200W max per channel using 4 TDA7294 chips.
What power supply is required?
Dual AC 22V-32V (AC28V-0-28V), impedance 4-16Ω.
Is it suitable for high-power audio setups?
Yes, Class-AB high power amplifiers for home or DIY audio systems.
What are the board dimensions or size?
Compact board design (DX-005_450B model), no specific size listed but standard amp board.
Shipping from where for this audio amp?
Ships from Mainland China; no certification listed, for electronics enthusiasts.
Product information last updated on November 29, 2025