Details
Features：
1.This product is class AB 2.1 channel amplifier board, maximum support 2*80W stereo + 120W pure bass.
2. Support 2 kinds of input, can choose 3.5mm audio line input or 3P 2.54mm terminal input.
3. Support a variety of speaker specifications, support for 2Ω, 4Ω, 6Ω, 8Ω speakers.
4. With power indicator, 4 professional audio filter capacitors, use good effect.
5. With protection functions, power input reverse protection, short circuit protection, overheating protection, overcurrent protection.
2. Support 2 kinds of input, can choose 3.5mm audio line input or 3P 2.54mm terminal input.
3. Support a variety of speaker specifications, support for 2Ω, 4Ω, 6Ω, 8Ω speakers.
4. With power indicator, 4 professional audio filter capacitors, use good effect.
5. With protection functions, power input reverse protection, short circuit protection, overheating protection, overcurrent protection.
Specification：
Product Category: Class AB 2.1 channel amplifier
Operating voltage:DC12-18V
Amplifier type: HIFI amplifier
Output power:Maximum 2*80W stereo (18V/4Ω) and 1x120W pure bass (18V/4Ω)
Input mode: 3.5mm audio cable input or 3P 2.54mm terminal input
Impedance: Supports 2Ω, 4Ω, 6Ω, 8Ω speakers
Audio input mode: 3.5mm audio cable input, or 3P-2.54mm terminal input
Protection function: power input reverse connection protection, short circuit protection, overheating protection, overcurrent protection.
Dimensions.
PCB: 72.36mm*66.65mm(L*W)
Overall (including heat sink): 72mm * 98mm * 27mm
Potentiometer knob opening:7mm
Mounting hole spacing:25.4mm *48.26mm (compatible with Bluetooth module spacing)
Mounting hole size:M3
Product Category: Class AB 2.1 channel amplifier
Operating voltage:DC12-18V
Amplifier type: HIFI amplifier
Output power:Maximum 2*80W stereo (18V/4Ω) and 1x120W pure bass (18V/4Ω)
Input mode: 3.5mm audio cable input or 3P 2.54mm terminal input
Impedance: Supports 2Ω, 4Ω, 6Ω, 8Ω speakers
Audio input mode: 3.5mm audio cable input, or 3P-2.54mm terminal input
Protection function: power input reverse connection protection, short circuit protection, overheating protection, overcurrent protection.
Dimensions.
PCB: 72.36mm*66.65mm(L*W)
Overall (including heat sink): 72mm * 98mm * 27mm
Potentiometer knob opening:7mm
Mounting hole spacing:25.4mm *48.26mm (compatible with Bluetooth module spacing)
Mounting hole size:M3
List：
1 x Amplifier Board
1 x Amplifier Board
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TDA7850 HIFI Power Amplifier Board Car Class AB 2.1CH Power Amplifier Module DIY
DESCRIPTION
Features：
1.This product is class AB 2.1 channel amplifier board, maximum support 2*80W stereo + 120W pure bass.
2. Support 2 kinds of input, can choose 3.5mm audio line input or 3P 2.54mm terminal input.
3. Support a variety of speaker specifications, support for 2Ω, 4Ω, 6Ω, 8Ω speakers.
4. With power indicator, 4 professional audio filter capacitors, use good effect.
5. With protection functions, power input reverse protection, short circuit protection, overheating protection, overcurrent protection.
2. Support 2 kinds of input, can choose 3.5mm audio line input or 3P 2.54mm terminal input.
3. Support a variety of speaker specifications, support for 2Ω, 4Ω, 6Ω, 8Ω speakers.
4. With power indicator, 4 professional audio filter capacitors, use good effect.
5. With protection functions, power input reverse protection, short circuit protection, overheating protection, overcurrent protection.
Specification：
Product Category: Class AB 2.1 channel amplifier
Operating voltage:DC12-18V
Amplifier type: HIFI amplifier
Output power:Maximum 2*80W stereo (18V/4Ω) and 1x120W pure bass (18V/4Ω)
Input mode: 3.5mm audio cable input or 3P 2.54mm terminal input
Impedance: Supports 2Ω, 4Ω, 6Ω, 8Ω speakers
Audio input mode: 3.5mm audio cable input, or 3P-2.54mm terminal input
Protection function: power input reverse connection protection, short circuit protection, overheating protection, overcurrent protection.
Dimensions.
PCB: 72.36mm*66.65mm(L*W)
Overall (including heat sink): 72mm * 98mm * 27mm
Potentiometer knob opening:7mm
Mounting hole spacing:25.4mm *48.26mm (compatible with Bluetooth module spacing)
Mounting hole size:M3
Product Category: Class AB 2.1 channel amplifier
Operating voltage:DC12-18V
Amplifier type: HIFI amplifier
Output power:Maximum 2*80W stereo (18V/4Ω) and 1x120W pure bass (18V/4Ω)
Input mode: 3.5mm audio cable input or 3P 2.54mm terminal input
Impedance: Supports 2Ω, 4Ω, 6Ω, 8Ω speakers
Audio input mode: 3.5mm audio cable input, or 3P-2.54mm terminal input
Protection function: power input reverse connection protection, short circuit protection, overheating protection, overcurrent protection.
Dimensions.
PCB: 72.36mm*66.65mm(L*W)
Overall (including heat sink): 72mm * 98mm * 27mm
Potentiometer knob opening:7mm
Mounting hole spacing:25.4mm *48.26mm (compatible with Bluetooth module spacing)
Mounting hole size:M3
List：
1 x Amplifier Board
1 x Amplifier Board
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