Feature: 1. Convenient Switching: Easily switch between 2 AMPs and output to either A or B group speakers without the need to plug and unplug cables. This speaker selector switch offers a easy way to customize your sound setup at home. 2. Premium Components: Featuring silver plated switches, single crystal copper silver plated wire, pure copper gold plated banana terminals, and manually soldered parts for superior sound quality and longevity. 3. Individual Channel Isolation: Each channel is completely isolated with independent grounds to ensure no interference between A and B groups of speakers, providing clear and crisp sound output. 4. Wide Compatibility: This amplifier speaker switcher supports various amplifiers such as Class A, Class B, Class D, digital amplifiers, and tube amplifiers, making it a versatile choice for different setups. 5. Aluminum Construction: The CNC custom precise aluminum alloy casing with anodized metal brushed finish not only provides a modern look but also ensures the amplifier speaker switch box is long lasting. Specification: Item Type: Speaker Selector Switch Material: Aluminum Alloy, Gold Plated Copper Maximum Power Handling: 500W x 2 Interface: 4mm Banana Sound Jack . Package List: 1 x Speaker Selector Switch 1 x Manual