SEAS H9909-06 Spareparts for H358 & H400

The H9909-06 foam ring sets from SEAS are precision-engineered spare parts designed to restore the original acoustic performance of your H358 or H400 loudspeaker. Over time, foam surrounds can degrade, compromising sound quality and potentially leading to driver damage. These purpose-built rings offer a reliable, high-quality replacement that ensures your speakers continue to deliver the clear, accurate audio they were designed for.

Ideal for audiophiles and DIY enthusiasts, these foam ring sets are perfect for refurbishing vintage or well-used SEAS loudspeakers. Whether you are restoring a cherished pair of speakers or maintaining a professional audio setup, the H9909-06 provides an exact match for the original components, making installation straightforward and effective. Each set contains two rings with a precise 165mm outer diameter, ensuring a snug and accurate fit for the H358 and H400 models.

Crafted from durable, acoustically transparent foam, these rings maintain the correct compliance and damping characteristics, preserving the speaker's frequency response and transient behaviour. The material resists the common issues of drying and cracking, offering long-lasting performance. With the H9909-06, you can confidently revive your speakers to their original specification, enjoying faithful sound reproduction for years to come.