PAM8303 mini audio amplifier module with a knob
PAM8303C 3W mono filterless Class-D audio power amplifier module
PAM8403 DIGITAL AMPLIFIER BOARD
- 3W output at 10% THD with a 4ohm load & 5V power supply
- Output power: 3W
- Supply voltage: 2.5V-5.5V
- Low THD+N
- Superior low noise
- efficiency up to 96%
- Thermal shutdown
- Low quiescent current and low EMI
- Few external components to save space & cost
- High fidelity sound output 3W + 3W, is a rare good product
- High amplification efficiency of 85%
- Unique without LC filter class D digital power board
- Can use computer USB supply directly
- High life expectancy up to 15 years
- Dimension:24*15mm
PAM8406 Digital Amplifier Board 5W×2 Volume Adjustable D class module
- Working voltage:3.5 - 5V, limit operating voltage 5.5V
- Excellent noise suppression can hear any noise without connecting input audio
- Dual-channel stereo, 5v power supply is needed that can input 5w+5w power, to drive 4, 8 little speaker directly
- Volume adjustment of the right and left channel
- The unique non-LC filter Class-D digital power board used computer USB to charge.
- Dual-panel wiring solves the ground potential balance and avoids the crosstalk between channels caused by wiring
- Super miniature design
- Used machine to weld whole plate.
- Weight: 15 grams.