Note to buyers: The relay component of the volume controller has been changed to Omron brand, made in China. March 20, 2023 Product description: Size: 85mm*65mm Voltage: AC10V—18V Can be stacked to expand 4 channels, 6 channels 2 channels (1 board), 4 channels (2 boards), 6 channels (3 boards) The audio signal is adjusted by the relay switching resistance to complete 255 steps. It can be installed nearby the audio signal input seat. The signal channel takes the shortest path to reduce long-distance transmission interference. The extended lead of the potentiometer controls the volume switch of the relay. , The audio signal does not pass through the potentiometer, pure resistance loop, no popping, higher fidelity! It is compact and does not take up too much space. It can directly replace the ALPS16 and 27 potentiometers of integrated amplifiers and discrete amplifiers. The effect can be seen immediately! The resistance value of the tube amplifier is required to be notified separately and needs to be customized. Chinese translation of the following figure: 1. Series potentiometer, a few or a dozen series resistors should be passed through for a slightly louder volume. 2. The parallel type has only 8 resistors per channel, and the output only passes through one or several parallel resistors, and the signal channel is very simple and direct. 2 channels 4 channels 6 channels

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