【RS 1.0 3-Inch Midrange｜A Speaker That Reproduces Vocals Naturally, Down to Breathing】

Do you feel that the vocals sound a bit far away? Do instrument sounds overlap and blur together? Would you like to enjoy your usual songs with a bit more detail? If so, consider the RS 1.0 3-inch midrange.

With a manageable 3-inch size, it nonetheless draws out the fine details in the midrange—such as the nuances of vocal expression and the attack of instruments. Its appeal lies not in simply making everything louder, but in helping you hear natural vocal breathing and subtle nuances in instruments like guitars and pianos.

The cone uses a lightweight and rigid papyrus paper composite cone. The sound responds cleanly, offering an excellent balance of smoothness and expressive power. In addition, the cast aluminum basket and open-type voice coil are designed with attention to both the speaker’s stiffness and its cooling performance.

The copper shorting ring, which helps suppress distortion in the high frequencies, and the LMS pair matching, which fine-tunes how well the left and right channels align, also contribute to a cohesive soundstage and natural reproduction. When the sound from the left and right speakers matches well, it becomes easier to perceive the vocalist’s position and the spread of instruments.

However, a 3-inch midrange isn’t something you can install in the same way in every car. The final impression depends on factors such as the combination with the factory speakers, the mounting position, the fastening method, how the door is processed, and whether DSP or an amplifier is used.

If it were me, I wouldn’t decide based on replacing just the speaker by itself. I’d check the vehicle’s OEM system and the music you typically listen to, then consider the overall balance. Let’s organize the direction together—including installation and sound tuning—so you can make the most of the RS 1.0’s detailed expressive capabilities.

■ Main Specifications / Specs

【Basic Information】
Product name: RS 1.0
Type: 3-inch midrange speaker

【Structure / Materials】
Basket: Cast aluminum basket
Voice coil: Open-type voice coil
Cone: Papyrus paper composite cone
Other: Copper shorting ring
Left/right pair adjustment: LMS pair matching

※ Organized based on publicly available information that could be confirmed.
※ Compatibility with vehicles and installation methods vary depending on the vehicle model, factory system, and available mounting space, so guidance is provided after confirming with an actual vehicle.