Yamaha MS20S is a powered monitor speaker system featuring advanced Active Servo Technology for superb low-frequency reproduction and a tight, well-defined sound. With three inputs, including both microphone and line level (unbalanced) sources, the MS20S offers versatile connectivity for a variety of audio devices. Its 12cm cone woofer and 3cm cone tweeter deliver a flat, efficient response across the entire frequency range, making it ideal for monitoring and playback applications.