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Bluetooth Amplifier Board Selection Guide
Product Name
Figure
SKU
DFR0799
DFR0803
DFR0777
DFR0804
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
Mainly for DIY speakers users
Mainly for DIY speakers users
Mainly for DIY speakers users
Add to Cart
Add to Cart
Add to Cart
Add to Cart
Add to Cart
Product Name
Figure
SKU
DFR0806
DFR0805
DFR0793
DFR0675-EN
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
Mainly for DIY speakers users
Mainly for DIY speakers users
Mainly for DIY speakers users
Add to Cart
Add to Cart
Add to Cart
Add to Cart
Add to Cart
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