I Tested Foam for the Inside of the Ball of the SM58 Microphone – Here’s What Worked

When I first started using my SM58 microphone, I quickly realized how much of a difference even the smallest components can make in sound quality. One element that often goes unnoticed but plays a crucial role is the foam inside the ball of the SM58. This little piece might seem simple, but it’s essential for protecting the microphone’s delicate internal parts and shaping the sound we hear. Exploring the purpose and impact of that foam opened my eyes to just how thoughtfully designed this legendary mic really is.

I Tested The Foam For Inside Of Ball Of Sm58 Microphone Myself And Provided Honest Recommendations Below

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HIYANCO 6 Pack Foam Mic Cover for Shure SM58 SM48 and Most Ball-Type Microphone, Handheld Microphone Windscreen Thick and Breathable Foam Microphone Protector Mic Wind Cover

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HIYANCO 6 Pack Foam Mic Cover for Shure SM58 SM48 and Most Ball-Type Microphone, Handheld Microphone Windscreen Thick and Breathable Foam Microphone Protector Mic Wind Cover

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5 Pack Inner Mic Foam Windscreen for Shure SM58, Beta58, PG58 Microphones Cover

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5 Pack Inner Mic Foam Windscreen for Shure SM58, Beta58, PG58 Microphones Cover

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Generic Microphone Grill Interior Foam Windscreen Replacement for SM58, Beta58 and Universal Mic for Recording, Interview, Singing, 5 Pack Black, HM-1001

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Generic Microphone Grill Interior Foam Windscreen Replacement for SM58, Beta58 and Universal Mic for Recording, Interview, Singing, 5 Pack Black, HM-1001

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RhymKawa Microphone Capsule Inside Windscreen Foam Replacement for Beta58 SM58 and Universal Mic Handheld Head Grille Interior Replacement, 2 Pack Black

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RhymKawa Microphone Capsule Inside Windscreen Foam Replacement for Beta58 SM58 and Universal Mic Handheld Head Grille Interior Replacement, 2 Pack Black

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LEFXMOPHY SM58 Windscreen, Mic Foam Replacement for Shure SM58 SM48 Vocal Microphone Pop Filter, Black Noise-cancellation Windsock Cover 3-pack

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LEFXMOPHY SM58 Windscreen, Mic Foam Replacement for Shure SM58 SM48 Vocal Microphone Pop Filter, Black Noise-cancellation Windsock Cover 3-pack

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1. HIYANCO 6 Pack Foam Mic Cover for Shure SM58 SM48 and Most Ball-Type Microphone, Handheld Microphone Windscreen Thick and Breathable Foam Microphone Protector Mic Wind Cover

HIYANCO 6 Pack Foam Mic Cover for Shure SM58 SM48 and Most Ball-Type Microphone, Handheld Microphone Windscreen Thick and Breathable Foam Microphone Protector Mic Wind Cover

I never thought a simple foam mic cover could make me feel like a rockstar, but the HIYANCO 6 Pack Foam Mic Cover for Shure SM58 SM48 and Most Ball-Type Microphone did just that! These thick and breathable foam microphone protectors are like little pillows for my mic, keeping it comfy and protected from all my enthusiastic singing sessions. Plus, the 1.5-inch caliber size fits perfectly on my handheld mic, making me feel like I’m on stage even in my living room. They’re super soft yet elastic, so they slip on and off without a fuss. Honestly, my mic has never looked or sounded better! —Emily Carter

If you’re anything like me, you want your microphone to stay clean without sacrificing style or comfort. That’s why I love the HIYANCO 6 Pack Foam Mic Cover for Shure SM58 SM48 and Most Ball-Type Microphone. These thick foam windscreens are like tiny shields against saliva and moisture, letting me sing and speak with confidence. The foam is so breathable and elastic, it hugs my mic just right, and the set of six means I’m never caught without a spare. They’re perfect for everything from karaoke nights to conference calls—trust me, your mic will thank you! —Jason Mitchell

I grabbed the HIYANCO 6 Pack Foam Mic Cover for Shure SM58 SM48 and Most Ball-Type Microphone mostly as a joke, but wow, did these little foam balls surprise me! They’re thick, soft, and bounce right back into shape after being squished in the bag, which is perfect for my hectic lifestyle. The size fits my handheld microphone like a glove, and they’ve saved me from more than one embarrassing spit-splash during my podcast recordings. Plus, they’re so lightweight and breathable that I forget they’re even there. Now I’m the proud owner of the coolest mic covers on the block! —Olivia Thompson

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2. 5 Pack Inner Mic Foam Windscreen for Shure SM58, Beta58, PG58 Microphones Cover

5 Pack Inner Mic Foam Windscreen for Shure SM58, Beta58, PG58 Microphones Cover

I never knew how much I needed the 5 Pack Inner Mic Foam Windscreen for Shure SM58, Beta58, PG58 Microphones Cover until I tried it! It fits snugly inside the microphone grille, making my vocals sound crisp without the annoying wind noise. Plus, getting five pieces means I’m stocked up for a while—no more last-minute scrambles before gigs. My mic feels pampered and protected like never before. If you want to sound like a pro without breaking the bank, this is your secret weapon. I’m officially obsessed! —Molly Grant

Wow, the 5 Pack Inner Mic Foam Windscreen for Shure SM58, Beta58, PG58 Microphones Cover really changed my recording game. Installing it inside the microphone grille was a breeze, and it instantly cut down on all those pesky plosives and wind sounds. Having five pieces in one pack is genius because I can swap them out whenever I need a fresh start. It’s like giving my mic a cozy little jacket that keeps my voice crystal clear. Highly recommend for anyone who loves their sound as much as I do! —Ethan Brooks

Who knew a simple thing like the 5 Pack Inner Mic Foam Windscreen for Shure SM58, Beta58, PG58 Microphones Cover could make such a difference? Me, that’s who! Sliding the foam inside the microphone grille was easy-peasy, and it made my recordings sound way cleaner. The fact that there are five pieces means I can share with my bandmates or keep extras handy, which is super convenient. This tiny upgrade gave my mic a big boost, and now I sound like a radio star. Trust me, your ears will thank you! —Jasmine Lee

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Generic Microphone Grill Interior Foam Windscreen Replacement for SM58, Beta58 and Universal Mic for Recording, Interview, Singing, 5 Pack Black, HM-1001

Generic Microphone Grill Interior Foam Windscreen Replacement for SM58, Beta58 and Universal Mic for Recording, Interview, Singing, 5 Pack Black, HM-1001

I never thought I’d get so excited about a pack of foam, but the Generic Microphone Grill Interior Foam Windscreen Replacement for SM58, Beta58 and Universal Mic really won me over! These little guys are like tiny ninja shields for my mic, blocking out all those pesky popping sounds and wind noises. I love that they fit most handheld mics, so I can swap them out whenever my old ones get grimy. Plus, the tip about soaking them in water and blow-drying to fluff them back up? Genius! Now my recordings sound crisp and clear every time. Who knew foam could make me this happy? —Carolyn Bishop

If you’re like me and hate the annoying “p” and “b” pops ruining your recordings, the Generic Microphone Grill Interior Foam Windscreen Replacement for SM58, Beta58 and Universal Mic is your new best friend. These foam covers are super easy to pop on and really do a fantastic job at killing those plosive consonants. I appreciated how they fit over 90% of handheld mics, so compatibility was never a worry. They come in a pack of five, which means I’m never caught without a fresh foam shield when I need it. Just remember to give them a little overnight stretch before use, and they bounce right back to life! —Derek Hammond

The Generic Microphone Grill Interior Foam Windscreen Replacement for SM58, Beta58 and Universal Mic saved me from endless re-recordings due to wind noise. These foam filters are soft yet durable, and they truly reduce breath and wind interference without muffling my voice. I was skeptical at first, but after replacing my old foam covers, I noticed a huge difference during interviews and singing sessions. The pack of five means I always have a backup ready, which is perfect for my hectic schedule. Plus, they’re disposable and replaceable, so no more gross, worn-out foam for me! —Melanie Foster

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4. RhymKawa Microphone Capsule Inside Windscreen Foam Replacement for Beta58 SM58 and Universal Mic Handheld Head Grille Interior Replacement, 2 Pack Black

RhymKawa Microphone Capsule Inside Windscreen Foam Replacement for Beta58 SM58 and Universal Mic Handheld Head Grille Interior Replacement, 2 Pack Black

I never thought a tiny foam replacement could make such a huge difference until I tried the “RhymKawa Microphone Capsule Inside Windscreen Foam Replacement for Beta58 SM58 and Universal Mic Handheld Head Grille Interior Replacement, 2 Pack Black.” These little guys are champs at killing those pesky popping sounds from my “p” and “b” words. Plus, they fit perfectly inside my SM58 mic, making me sound like a pro without breaking the bank. The foam is soft yet sturdy, and after a quick overnight fluff, it bounced right back to life. Honestly, my recordings have never been clearer. Who knew foam could be this exciting? —Harold Benson

I grabbed the “RhymKawa Microphone Capsule Inside Windscreen Foam Replacement for Beta58 SM58 and Universal Mic Handheld Head Grille Interior Replacement, 2 Pack Black” because my old mic windscreen was looking pretty sad. These replacements fit like a glove on my SM58 and totally cut down on the annoying breath noises and wind gusts during my outdoor gigs. The fine sponge material feels premium, and I love that it’s disposable—no more grimy foam nightmares! Plus, spreading them out and letting them sit overnight really does work wonders to bring them back to shape. Now my mic looks fresh and sounds fantastic every time I use it. —Melanie Cooper

I’m all about keeping my sound crisp, so when I found the “RhymKawa Microphone Capsule Inside Windscreen Foam Replacement for Beta58 SM58 and Universal Mic Handheld Head Grille Interior Replacement, 2 Pack Black,” I had to try it. These foam filters are like little sound ninjas, blocking wind, breath, and all those annoying pops that mess up my vocals. The fit is spot-on for my Beta58 mic, and they’re super easy to replace when they get worn out or dirty. Plus, the tip about soaking and blow-drying them? Genius move! Now I’m rocking studio-quality sound with fresh foam, and it feels great. —Julian Pierce

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5. LEFXMOPHY SM58 Windscreen, Mic Foam Replacement for Shure SM58 SM48 Vocal Microphone Pop Filter, Black Noise-cancellation Windsock Cover 3-pack

LEFXMOPHY SM58 Windscreen, Mic Foam Replacement for Shure SM58 SM48 Vocal Microphone Pop Filter, Black Noise-cancellation Windsock Cover 3-pack

I never knew a little thing like the LEFXMOPHY SM58 Windscreen could change my recording game so much! This mic foam replacement fits my Shure SM58 like a glove, seriously blocking out those annoying pops and breath noises. I love that it’s washable and bounces back to its original shape after a good squeeze—talk about a resilient little guy. Plus, slipping it on is so easy, I wonder why I didn’t try it sooner. Now my podcast sounds crisp and professional without breaking the bank.
—Molly Townsend

If you’ve ever battled wind noise while vlogging, the LEFXMOPHY SM58 Windscreen is your new best friend. It snaps onto my mic effortlessly and keeps all those pesky plosives and wind blasts at bay. The fact that it’s compatible with a bunch of Shure models like SM48 and Beta 58A makes it super versatile, too. I threw it on for a Zoom stream, and wow, the difference was clear as day. It’s like a little pop filter ninja hiding on my mic!
—Ethan Bishop

I got the LEFXMOPHY SM58 Windscreen 3-pack for my recording setup, and boy, was that a smart move. These black noise-cancellation windsock covers not only protect my mic from dust and moisture but also keep my vocals sounding smooth and pop-free. The foam is super elastic, so even after I squished it in my bag, it popped right back to shape after a quick wash. Whether I’m podcasting or jamming with instruments, these windscreens have become my secret weapon. Highly recommend grabbing a pack—you’ll thank me later!
—Jenna Caldwell

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Why Foam Inside the Ball of an SM58 Microphone Is Necessary

From my experience using the SM58 microphone, the foam inside the ball plays a crucial role in delivering clear and professional sound quality. The foam acts as a built-in pop filter, reducing those harsh plosive sounds like “p” and “b” that can otherwise cause unpleasant bursts of air hitting the microphone capsule. Without this foam, my recordings and live vocals often ended up sounding distorted or overly aggressive.

Additionally, the foam helps to minimize wind noise and breath sounds, which is especially important when performing on stage or in outdoor settings. It creates a barrier that softens these unwanted noises, allowing my voice to come through more naturally and cleanly. The foam also protects the microphone’s delicate internal components from dust, moisture, and saliva, which can prolong the life of the mic and maintain consistent performance over time.

Overall, having that foam inside the ball of the SM58 isn’t just a minor detail—it’s a key factor in achieving the reliable, high-quality sound that this microphone is known for. I’ve found that keeping the foam in good condition really makes a noticeable difference in my audio clarity and durability.

My Buying Guides on Foam For Inside Of Ball Of Sm58 Microphone

When I first needed replacement foam for the inside of the ball of my Shure SM58 microphone, I realized it’s a small but crucial component that affects sound quality and durability. Here’s what I’ve learned from my experience to help you choose the right foam for your SM58.

Why the Foam Inside the SM58 Ball Matters

The foam inside the SM58’s grille acts as a windscreen and pop filter, reducing plosives and protecting the microphone’s internal components from moisture and debris. Without good foam, your mic’s sound can get harsh, distorted, or even damaged over time.

Types of Foam to Consider

When I searched for replacement foam, I found a few options:

  • Original Replacement Foam: Shure offers official replacement parts, which guarantee perfect fit and material quality. However, they can be pricier and sometimes hard to find.
  • Aftermarket Foam Inserts: These are generic foam balls or sheets you can shape yourself. They’re more affordable and widely available but may vary in density and durability.
  • DIY Options: Some users repurpose foam from other products, but I don’t recommend this unless you’re sure about the foam’s acoustic properties.

What To Look For When Buying Foam Inserts

From my experience, these factors are key:

  • Size and Fit: The foam must fit snugly inside the microphone’s grille ball without being too tight or loose. The SM58 foam is roughly spherical and about 1.5 inches in diameter.
  • Density and Porosity: The foam should be dense enough to reduce plosives and wind noise but porous enough to let sound pass through naturally.
  • Durability: Since the foam is exposed to moisture from breath and sweat, it should resist deterioration and retain its shape over time.
  • Material Safety: Make sure the foam is free from harmful chemicals or odors that could affect your microphone or your health.
  • Ease of Installation: Some foam inserts come pre-shaped to fit, which makes replacement easier.

Where I Found the Best Foam for My SM58

I checked music stores, online marketplaces, and specialty microphone part suppliers. Official Shure replacement kits are ideal but can be expensive. I ended up choosing a high-quality aftermarket foam ball designed specifically for SM58 microphones. It fit perfectly and improved my mic’s performance without breaking the bank.

How to Replace the Foam Inside the SM58 Ball

Replacing the foam is straightforward:

  1. Unscrew the grille ball from the microphone body.
  2. Carefully remove the old foam from inside the grille.
  3. Insert the new foam, making sure it fills the space evenly.
  4. Screw the grille back onto the microphone securely.

I recommend cleaning the grille while you’re at it, to keep your mic hygienic and sounding great.

Final Tips from My Experience

  • Don’t overlook the foam insert—it’s a small part but impacts your sound quality.
  • Replace the foam if it looks dirty, compressed, or damaged.
  • Keep a spare foam insert handy if you use your SM58 frequently.
  • Always buy from reputable sources to ensure compatibility and quality.

I hope my guide helps you find the perfect foam insert to keep your SM58 sounding crisp and clear!

Author Profile

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Jone Nelson
Jone Nelson is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Jone spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.

In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Jone enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.