YIGZYCN Universally Bass Knob Remote Gains Control Subwoofer Bass Remote Volumes Control Knob Levels Frequency Equalizers

The input and output standard adopts interfaces designs, and the switches adopts accurate 2-position manual button switches. Two sets of stereo source switchers solve the complicated line blocking operating. As long as the required input device signals source is uniformly connecting to the switches, it can be easily selected. Usage: mainly used to selects common output devices and switches various stereo signals inputs. If there are two stereo signals sources (such as MP3 player, video game, phones, tablet, computer, recorder), the device needs to output to the power amplifier or active speakers. Two adjustment methods: 1. by gains adjustment, 2. by frequency adjustment. No power supply designs, can be directly inserted and used, no input and output signals loss, switches transmission.