---
product_id: 589553421
title: "Phonak Vented 4.0 Dome Small (0.29 inch=7.5mm) 10 Domes, Genuine OEM Switzerland Replacement by Sonova, Hearing Aid Domes for Phonak Audeo Marvel Paradise Lumity Accessories -1 Pack/10 Domes Total"
brand: "otto tech"
price: "$32.48"
currency: USD
in_stock: true
reviews_count: 8
category: "Otto Tech"
url: https://www.desertcart.ec/products/589553421-phonak-vented-4-0-dome-small-0-29-inch-7
store_origin: EC
region: Ecuador
---

# Compatible with multiple brands 0.29 inch diameter Genuine OEM parts Phonak Vented 4.0 Dome Small (0.29 inch=7.5mm) 10 Domes, Genuine OEM Switzerland Replacement by Sonova, Hearing Aid Domes for Phonak Audeo Marvel Paradise Lumity Accessories -1 Pack/10 Domes Total

**Brand:** otto tech
**Price:** $32.48
**Availability:** ✅ In Stock

## Summary

> 👂 Hear the difference with Phonak's Vented Domes!

## Quick Answers

- **What is this?** Phonak Vented 4.0 Dome Small (0.29 inch=7.5mm) 10 Domes, Genuine OEM Switzerland Replacement by Sonova, Hearing Aid Domes for Phonak Audeo Marvel Paradise Lumity Accessories -1 Pack/10 Domes Total by otto tech
- **How much does it cost?** $32.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/589553421-phonak-vented-4-0-dome-small-0-29-inch-7)

## Best For

- otto tech enthusiasts

## Why This Product

- Trusted otto tech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Tailored Comfort:** Designed for small and narrow ear sizes, ensuring a snug fit.
- • **Reliable Performance:** Genuine OEM parts guarantee safety and optimal functionality.
- • **Enhanced Sound Quality:** Vented design amplifies low-frequency sounds for a richer auditory experience.
- • **Skin-Friendly Material:** Non-allergenic silicone ensures comfort and durability.
- • **Versatile Compatibility:** Works seamlessly with various Phonak and other hearing aid models.

## Overview

The Phonak Vented 4.0 Dome Small is a pack of 10 genuine OEM replacement domes designed for small and narrow ear sizes. With a diameter of 0.29 inches (7.5mm), these domes enhance sound quality while ensuring a comfortable fit. Compatible with various hearing aids, they are made from non-allergenic silicone for durability and optimal performance.

## Description

Buy Phonak Vented 4.0 Dome Small (0.29 inch=7.5mm) 10 Domes, Genuine OEM Switzerland Replacement by Sonova, Hearing Aid Domes for Phonak Audeo Marvel Paradise Lumity Accessories -1 Pack/10 Domes Total on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Perfect fit - The ones I had were too large.
Review: Works well. - Great

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #28,148 in Health & Household ( See Top 100 in Health & Household ) #4 in Hearing Aid Domes |
| Customer Reviews | 4.7 out of 5 stars 489 Reviews |

## Images

![Phonak Vented 4.0 Dome Small (0.29 inch=7.5mm) 10 Domes, Genuine OEM Switzerland Replacement by Sonova, Hearing Aid Domes for Phonak Audeo Marvel Paradise Lumity Accessories -1 Pack/10 Domes Total - Image 1](https://m.media-amazon.com/images/I/81Q7h9oWIjL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit
*by F***S on January 11, 2026*

The ones I had were too large.

### ⭐⭐⭐⭐⭐ Works well.
*by T***S on December 10, 2025*

Great

### ⭐⭐⭐⭐⭐ Hearing aid rubber covers
*by C***L on September 18, 2025*

Exactly what I needed for my mom's hearing aids. In addition, I ordered a set of medium because one ear is smaller/bigger than the other. Both work 💯 perfect!

## Frequently Bought Together

- Phonak Vented 4.0 Dome Small (0.29 inch=7.5mm) 10 Domes, Genuine OEM Switzerland Replacement by Sonova, Hearing Aid Domes for Phonak Audeo Marvel Paradise Lumity Accessories -1 Pack/10 Domes Total
- Genuine Phonak Cerustop Wax Guards Color Gray- 4 Packs (32 Filters)
- Phonak Open 4.0 Dome Medium (0.35 inch=9mm) 10 Domes, Genuine OEM Switzerland Replacement by Sonova, Hearing Aid Domes for Phonak Audeo Marvel Paradise Lumity Accessories -1 Pack/10 Domes Total

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**Shop now:** [https://www.desertcart.ec/products/589553421-phonak-vented-4-0-dome-small-0-29-inch-7](https://www.desertcart.ec/products/589553421-phonak-vented-4-0-dome-small-0-29-inch-7)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-22*