"Stage 4 deadening realizes the ultimate silent environment! High-quality materials are used to thoroughly absorb vibrations. The sound quality inside the car is greatly improved, providing a comfortable drive!"

"Stage 4 is a deadening stage that has been newly added to the plan, and achieves even more advanced sound quality improvement.In addition to the previous stage 3, it uses high-quality materials that are extremely quiet and have low vibration.In particular, we have pursued the acoustic environment inside the car down to the finest detail, and have been able to eliminate vibrations and external noise. By using high-quality materials that are used in many products that require quiet and low vibration performance, the sound clarity, quietness, and comfort inside the car are dramatically improved. Experience the ultimate in quietness and acoustics with Stage 4 deadening.