| Name | Mini Digital Bluetooth Power Amplifier Board-50W | HIFI Digital Bluetooth Power Amplifier Board-50W | Mini Digital Bluetooth Power Amplifier Board-100W | HIFI Digital Bluetooth Power Amplifier Board-100W |
| SKU | DFR0799 | DFR0803 | DFR0777 | DFR0804 |
| Image |
|
|
|
|
| Features |
1. Without filter, standard audio output
|
1. Special filtering element, high quality HIFI audio for enthusiasts
2. AM interference suppression function
|
1. With general filter element, high quality audio output
|
1.
Special filtering element, high quality HIFI audio for enthusiasts
2. AM interference suppression function
|
| Audio Output | Bluetooth5.0 | AUX+Bluetooth5.0 | Bluetooth5.0 | AUX+Bluetooth5.0 |
| Output Power | 50W*2 | 50W*2 | 100W*2 | 100W*2 |
| Cooling Fin | Small cooling fin | Small cooling fin | Large cooling fin | Large cooling fin |
| Suitable Speaker | 4-8Ω；30-200W | 4-8Ω；30-200W | 4-8Ω；50-200W | 4-8Ω；50-300W |
| Protection Mechanisim | Overheating, short circuit | Overvoltage, undervoltage, overheating, short circuit | Overheating, short circuit | Overvoltage, undervoltage, overheating, short circuit |
| Dimension | 55*38*17mm | 82*50*18mm | 69*53*22mm | 84*52*24mm |
| Application | Mainly for DIY speakers users | |||
| Name | Bass Treble Bluetooth Amplifier-50W | Bass Treble Bluetooth Amplifier-50W+100W | Digital Bluetooth Power Amplifier Board-50W | Digital Bluetooth Power Amplifier Board-40W |
| SKU | DFR0806 | DFR0805 | DFR0793 | DFR0675-EN |
| Image |
|
|
|
|
| Features |
1.
Independent bass and treble control
2. AM interference suppression function
|
1.
Independent bass and treble control, subwoofer volume and frequency
adjustment
2. 3 channel output
3. AM interference suppression function
|
1.
Three input modes
2. Key adjustment function
3. Type-C interface for playing audio on your laptop
|
Small size, cost-effective |
| Audio Output | AUX+Bluetooth5.0 | AUX+Bluetooth5.0 | Bluetooth5.0, TF Card, USB Flash Disk, Laptop Type-C | Bluetooth5.0 |
| Output Power | 50W*2 | Left and right channels≤50W；subwoofer≤100W | 50W*2 | 40W*2 |
| Cooling Fin | Small cooling fin | Large cooling fin | Small cooling fin | None |
| Suitable Speaker | 4-8Ω；15-100W | 4-8Ω；20-100W | 4-8Ω；40-200W | |
| Protection Mechanisim | Overvoltage, undervoltage, overheating, short circuit | Overvoltage, undervoltage, overheating, short circuit | ||
| Dimension | 110*70*21mm | 120*100*20mm | 70*60*18mm | |
| Application | Mainly for DIY speakers users | |||
