Yamaha HS Series HS5 2-Way 70W Bass Reflex Bi amplified Nearfield Powered Studio Monitor Pair Bundle with 20ft XLR Cables, TRS to XLR Cables, and 1/8th Inch to XLR Stereo Breakout Cable High-performance drivers and mounting system. Large magnets in an advanced magnetic circuit design. Dedicated power amps are perfectly matched to the woofer and tweeter. Enclosure is designed to kill unwanted resonances that can influence sound. Room Control and High Trim response controls give you optimum response in any room. Noise Reduction Technology.Speaker port design can greatly influence the clarity of overall sound. Often a vortex at the either end of the port can generate air vibrations inside of the port, causing unwanted noise. By adopting a noise reduction technology that incorporates an analysis of a visual representation of the sound. Controls and Connectivity:HS Series full-range models feature two response controls with settings that allow them to adapt to the surface acoustics of rooms of varying shape and size. ROOM CONTROL allows you to attenuate the unnatural, exaggerated low-end that can often occur when speakers are placed next to walls, while HIGH TRIM allows for more flexible control of high frequency response. XLR and TRS phone jack inputs accept balanced or unbalanced signals. Speaker type: 2-way bi-amp powered studio monitor. ROOM CONTROL and HIGH TRIM response controls. 2-way bass-reflex bi-amplified nearfield studio monitor with 5" cone woofer and 1" dome tweeter monitors studio Yamaha , yamaha studio , yamaha studio monitors pair , yamaha powered studio monitors , studio monitors , studio monitors Yamaha , microphone cables , best studio monitors , asin B00CFOX420 and upc 086792974675 is for studio monitors