This article covers 【業界初 15°後傾式スピーカー＆最新Bluetooth5.4対応】 kstime PCスピーカー バスレフ低音強化 ゲーミングスピーカー Hi.
Overview
The kstime ST300 is a desktop PC speaker featuring an industry-first 15° backward-tilted acoustic design. It supports the latest Bluetooth 5.4 standard and offers both wired and wireless connectivity options. With a maximum RMS output of 14W and bass-reflex technology, this compact speaker delivers powerful, immersive sound. It also includes a built-in microphone and a front headphone jack, making it suitable for telework, gaming, and music listening.
Key Features
15° Backward-Tilted Acoustic Design: The ergonomic tilt directs sound waves straight to your ears, reducing desk surface reflections for a more natural, three-dimensional soundstage. Bass-Reflex Low-Frequency Enhancement: A custom curved inverter tube bass-reflex port minimizes wind noise, delivering deep, punchy bass without muddiness. Dual 52mm Full-Range Drivers & 14W RMS Output: Two high-performance 52mm drivers with sensitive voice coils and optimized magnetic circuits provide detailed vocals and a balanced frequency response. Bluetooth 5.4 & Multiple Connection Modes: Bluetooth 5.4 ensures low latency and stable wireless connections. USB-powered wired connection and 3.5mm AUX input are also supported, compatible with PCs, smartphones, tablets, and more. * Built-in High-Sensitivity Microphone & Front Headphone Jack: The condenser microphone captures clear voice for online meetings and game chat. The front headphone jack allows easy switching to private listening without moving the speaker.
Connectivity & Compatibility
The ST300 connects via USB-A for power and 3.5mm AUX for audio, making it compatible with desktop PCs, laptops, smartphones, tablets, and game consoles. Bluetooth 5.4 wireless connection offers a stable range of up to 10 meters. The built-in microphone works seamlessly with Windows, macOS, and major video conferencing applications.
Product Info
The kstime ST300 is available on . Its price ranges from approximately 3,800 to 4,200 JPY (as of May 2026), offering excellent value for its features. The package includes a USB power cable, a 3.5mm AUX cable, and a user manual. Warranty details are provided on the product page.
Best Use Cases
Teleworkers: The built-in microphone and front headphone jack make online meetings clear and convenient. The compact size saves desk space while delivering quality audio. Gamers: Bass-reflex technology enhances explosions and soundtracks, while Bluetooth 5.4 low latency ensures responsive wireless gameplay. * Music & Movie Enthusiasts: The 15° tilted design and 14W output create an immersive desktop audio experience, perfect for enjoying high-quality sound in a small space.