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EX202/2170 Touchpad+Encoder Knob Version DSP2.1 Digital HiFi Stereo Power Amplifier Board 70Wx2+140W Support for TWS
$48.13
EX202/2170 Touchpad Version DSP2.1 Digital HiFi Stereo Power Amplifier Board 70Wx2+140W Support for TWS
$47.16
EX202/2170 Encoder Knob Version DSP2.1 Digital HiFi Stereo Power Amplifier Board 70Wx2+140W Support for TWS
$46.19
NE5532 Subwoofer Preamp Board Subwoofer Low Pass Filter Plates Finished Product
Description
- This item is fished product, you don't need solder it again.
- NE5532 subwoofer preamp board DIY subwoofer low pass filter plates
- Bass filter plate, the input can be stereo or mono output only bass (mono).
- Simply put, the signal is processed through this board out of pure bass; these pure bass into the amplifier board (mono) when you can get the bass amplification effect (requires a combination of mono subwoofer amplifier board and speakers to use ).
- Power Requirements: Two AC12 ~ 15V
