Yamaha's legendary HS Series studio monitors have been compressed into remarkably compact housings without sacrificing the professional-grade monitoring quality that audio engineers and producers have relied on for years. The HS3 and HS4 represent a breakthrough in space-efficient design, delivering the trusted HS Series sound signature in speakers small enough for bedroom studios whilst maintaining the flat response and accuracy demanded by serious creators working across music production and video editing applications. Every component has been meticulously selected to maximise performance within the compact form factor. The high-performance class-D amplifier drives carefully engineered woofers and soft-dome tweeters housed in resilient MDF cabinets, whilst Yamaha's proprietary "Twisted Mare Port" technology ensures crystal-clear bass reproduction with minimal turbulence noise. This attention to detail delivers exceptional resolution, imaging and depth across the full frequency spectrum, maintaining the neutral character essential for critical monitoring work. Practical features address real-world studio challenges, with ROOM CONTROL and HIGH TRIM functions on the rear panel allowing precise acoustic adjustments for different environments - particularly useful for controlling excessive low-end when positioning speakers near walls. Connectivity options include combination XLR/TRS, RCA and stereo mini inputs to accommodate computers, audio interfaces, mixers and instruments, whilst front-mounted power, volume and headphone controls provide convenient access during sessions. The efficient class-D amplification system enables the compact dimensions whilst delivering 26W + 26W of dynamic power, with a frequency response spanning 70Hz to 22kHz. Each pair includes stereo mini to RCA cables, speaker cables and anti-slip pads, making the HS3 and HS4 ready for immediate deployment in space-conscious studios or mobile production setups.