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Volume Control and Input Selector

Digitally Controlled Stereo Electronic Audio Volume Control Board - NJM1109[646]

★★★★★(341 recommends)



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This is a digitally controlled stereo electronic audio volume board with gorgeous appearance. It features a mature volume adjustable module and external power and signal output connector. Several wiring methods such as 3.5 mm Socket (Default) facilitate connection. Analog and digital section powers are used independently to minimize the interference. Excellent heat dissipation eliminates the need for an extra heatsink. Over temperature, over current protection and power supply anti-reverse protection are included to extend its longevity of the board.

  • Board TypeBoard
  • input3.5mm AUX,
  • outputRCA, 3.5mm AUX,
  • Control InterfaceHardware
  • Size3.6 x 2.7 inches (91.44mm x 68.58mm)
  • Power Voltage8V-15V
  • Size: 
  • Volume Control Board: 3.6 x 2.7 inches 
  • Decode Board: 2 x 1.5 x1.7 inches
  • Wide Control Range: -107.5dB to 10dB
  • Accuracy: 1dB/step
  • Output Noise Voltage: 15.89μV 
  • THD+N: 0.0327% 
  • SNR: 92.2dB
  • Single Ended Audio Signal Input and Output
  • LED Status Indicator
  • Flexible Connection and Easy Installation



19 Nov 2019

Can the 3.5mm headphone out be used to go to an active sub? I will use RCA outputs to go to active speakers.

Hi, Dallas. Thank you for your interest in our products. Yes, the 3.5mm headphone output of the Volume Control Board - NJM1109 can be connected to the active speakers directly.

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