SONICFOAM SF3 large black ear tip expands to fit earbuds securely for a comfortable seal.
Close-up of SONICFOAM SF3 large black ear tip highlighting memory foam comfort.
Packaging shows SF3 tips compatible with 3.3-4.3 mm earbuds.
Product close-up shows the 3.3-4.3 mm compatibility label on the SF3 tips.
Hands insert SF3 tips into earbuds for a comfortable, secure seal.

SONICFOAM

SONICFOAM SF3 Large Black Memory Foam Earbud Tips - 20 Pack (10 Pairs) 3.3-4.3mm

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$22.17

In stock. Ships free, usually within 1–4 business days.

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Check the listed compatible models and specs before you order. Questions? Email us.

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

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Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

Elevate your listening with SONICFOAM SF3 Large Black Earbud Tips

Experience a soft, supportive seal that adapts to your ears. The SF3 tips are designed for earbuds with a speaker diameter of 3.3 to 4.3 mm, providing a comfortable barrier between your ear and the world outside. The memory foam expands at the right rate, helping sound feel clear and balanced as you move through daily life.

Why choose SF3 tips

  • Expands to fit without pinching, helping you stay focused on the audio
  • Delivers a crisp, clear listening experience with lasting comfort

Note: Memory foam is degradable; each pair is designed to last up to four weeks with typical use. Available sizes include Small, Medium, and Large to match your earbuds, with dimensions S 11 mm wide, M 12 mm wide, L 13 mm wide and a height of 10 mm (approximate).

Specifications at a glance

  • Speaker diameter compatibility: 3.3-4.3 mm
  • Available sizes: Small (11 mm wide), Medium (12 mm wide), Large (13 mm wide); height 10 mm
  • Material: memory foam designed to adapt to the ear canal
  • Package: 20 tips total (10 pairs)

Real-world use scenarios

  • Daily travel and commuting with a secure, comfortable seal
  • Active living and workouts with reliable fit during movement
  • Extended listening sessions with reduced ear fatigue and clear sound

Tip: For best comfort, insert gently and choose the right size to achieve a natural, snug seal that complements your music or calls.

FAQ

Q: What sizes are available for SONICFOAM SF3 Large Black ear tips?

A: Small, Medium, and Large; compatible with 3.3-4.3 mm earbuds.

Q: How long do the tips last?

A: Memory foam is degradable; typical use may last up to four weeks.

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