TPA3123 Цифровой усилитель сабвуфера класса D 2 1 канальный DIY

Месяц	Минимальная цена	Макс. стоимость
Sep-19-2025	0.20 $*	0.45 $*
Aug-19-2025	0.14 $*	0.59 $*
Jul-19-2025	0.47 $*	0.11 $*
Jun-19-2025	0.70 $*	0.99 $*
May-19-2025	0.16 $*	0.59 $*
Apr-19-2025	0.94 $*	0.62 $*
Mar-19-2025	0.92 $*	0.35 $*
Feb-19-2025	0.74 $*	0.97 $*
Jan-19-2025	0.26 $*	0.87 $*

Месяц

Минимальная цена

Макс. стоимость

Sep-19-2025

0.20 $*

0.45 $*

Aug-19-2025

0.14 $*

0.59 $*

Jul-19-2025

0.47 $*

0.11 $*

Jun-19-2025

0.70 $*

0.99 $*

May-19-2025

0.16 $*

0.59 $*

Apr-19-2025

0.94 $*

0.62 $*

Mar-19-2025

0.92 $*

0.35 $*

Feb-19-2025

0.74 $*

0.97 $*

Jan-19-2025

0.26 $*

0.87 $*

TPA3123 Class D Digital Subwoofer Amplifier 2.1 Channel Amp DIY Board

This amplifier board with 2*TPA3123 digital amplifier chip, one for left and right channel power amplifier, one for bridge driver subwoofer, Left and right channel output 20W*2, subwoofer output 40W, efficiency can reach above 90%, small size, efficient, high-power. can use laptop switching power supply or battery-powered devices, such as motorcycles, cars, electric cars and etc.

Powered: DC 12V-24V (voltage suggested: 15V-20V, high-quality switching power supply)

Maximum output: left and right channel 20W*2, subwoofer 40W

Size: 82mm * 65mm

Product description

Overview:
This amplifier board with 2*TPA3123 digital amplifier chip, one for left and right channel power amplifier, one for bridge driver subwoofer, Left and right channel output 20W*2, subwoofer output 40W, efficiency can reach above 90%, small size, efficient, high-power. can use laptop switching power supply or battery-powered devices, such as motorcycles, cars, electric cars and etc.

Specifications:
Powered: DC 12V-24V (voltage suggested: 15V-20V, high-quality switching power supply)
Maximum output: left and right channel 20W*2, subwoofer 40W
Size: 82mm * 65mm
Enter hole pitch: 2.5mm
Output hole pitch: 5mm
Potentiometer pitch: 28.5mm

Please note: For subwoofer, recommended to connect 8-ohm speaker, if using a 4 ohm speaker, please make sure the power supply is within 20V. For left and right channel, 4- 8-ohm speakers are all OK.

Package include:
1x TPA3123 Digital Amplifier Board