Features 1、Multifunction: The selector is a multifunctional device that combines a VU meter and an amplifier or speaker switch. Enjoy the visual experience of VU meter while switching audio signals, support up to 200W power input and output, and also support for remo function. 2、Two Operating Modes: Amplifier speaker selector supports testing BTL, class A, class B, class D digital amplifier or tube amplifier and other types of amplifiers, two operating modes 2 in 1 out, 1 in 2 out, with A or B channel switch button. 3、Protection Function: Meter audio switcher can quickly set the working state. All settings can be saved after power down. Built in protection load. When no amplifier is selected, it will automatically switch the built in load connected to this group of amplifiers to ensure that the amplifiers are not idle and play a good protection role. 4、Volume Meter and Remote Control: Amplifier speaker selector splitter built in volume meter, dynamic modification of the audio environment, remote control makes everything convenient, all settings can be quickly adjusted from a distance. 5、No Repeated Plugging: The amplifier speaker selector does not require repeated plugging and unplugging of cables, avoiding wear and tear on the socket contacts. Can be perfectly matched with a variety of use scenarios, ideal for audiophiles who have different amplifiers or speakers. 6、Type C Power Supply: The VU level meter speaker selector is powered by USB 5V type C. The black casing and clear indicators look vintage. Specification Item Type: Amplifier Speaker Selector Level Meter Material: ABS Number Of Amplifiers Or Speakers: 2 Groups Of Stereo Maximum Input Power: 200W/Channel Support Amplifier Type: A Variety Of Amplifiers, Including BTL, Class A, Class B, Class D Digital Amplifiers, Bilevel Machines Remote Control Function: Support Amplifier No Load Protection: Support, Built In High Power Load Power Down Setting Data Saving: Support Operating Mode: 2 In 1 Out, 1 In 2 Out Power Supply Interface Specifications: Type C Remote Control Power Supply: 1.5V AAA x 2 (Shipped Without Batteries) Volume Meter Size: Approx. 73 x 32mm / 2.9 x 1.3in Package List 1 x Amplifier Speaker Selector 1 x USB Data Cable 1 x Remote Control