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Volume Control Controller Desktop Passive Speaker Box Independent Adjustment for Left and Right Channels No Power Required Conference Performance

【Volume Control Controller】: The desktop passive speaker volume control box is a convenient way to control the volume of the left and right channels of the passive speaker. It is easy to install, plug and play, and has an independent volume knob switch. It adopts a metal structure, simple appearance and compact size. 【Volume Control】: Our controller provides precise volume control for your audio equipment. Easily adjust the volume to suit your preferences and enjoy a customized listening experience. 【Preferred Material】: Our controller is made of all-metal material, stainless steel shell, and compact size suitable for any device, compatible with all types of power amplifiers and speakers. 【No power supply required】: Plug and play, only a pair of gold-plated RCA lotus head interface input and output, simple and easy operation, easy to enjoy excellent and transparent music. 【Applicable occasions】: Suitable for anyone who wants to adjust the volume conveniently. Whether you are a music lover, movie lover, or just like to listen to music, our controller can meet your needs.