Feature: 1. 【Versatile Compatibility】: Our speaker selector switch is compatible with all types of amplifiers and speakers, providing seamless integration into your audio system. It supports 4 to 16 ohm impedance stereo speakers, with each channel capable of handling up to 300W of power. Whether you have a high-end amplifier or a budget-friendly option, our switcher ensures optimal performance. 2. 【Convenient Manual Switching】: With our speaker selector switch, you have complete control over your audio setup. The easy-to-use manual switching allows you to select and switch between inputs and outputs effortlessly. Experience stable signal transmission without any interference or noise between channels, ensuring a smooth and uninterrupted audio experience. 3. 【Compact and Sturdy Design】: Crafted with a sturdy metal housing, our speaker selector switch not only withstands daily use but also adds a touch of elegance to your audio setup. Its compact size makes installation a breeze, and with its simple plug-and-play functionality, you can enjoy a hassle-free installation process. No external power supply is required, saving you both time and effort. 4. 【Multiple Connection Options】: Our speaker selector switch offers multiple connection options to suit your preferences. It features banana plug interfaces for easy connectivity, accepting heavy-duty speaker wires or speaker pin cables. Additionally, it provides a 6.35mm headphone interface for personal monitoring, allowing for independent volume control. Whether you prefer a wired or wireless setup, our switcher has got you covered. 5. 【Enhance Your Audio Experience】: Transform your audio setup and elevate your listening experience with our amplifier speaker selector switch. Easily connect up to 4 amplifiers and 4 sets of speakers, giving you the flexibility to customize your sound system to suit different environments or preferences. Enjoy crisp and clear sound quality, without any loss or distortion, and immerse yourself in a truly immersive audio experience. Specification: Material: Metal iron shell Color: Black Input/Output: 4 sets of input /4 sets of output (banana plug) Channel Power: Each channel supports power up to 300W. Product Size: 32 * 11 * 6.2cm/12.6 * 3.3 * 2.4inch Package List: 1 * Power Amplifier Speaker Select Switcher1 * Instructions