---
product_id: 709033257
title: "Otto Tech Phonak Vented 4.0 Dome Small (0.29 inch=7.5mm) 10 Domes, Genuine OEM Switzerland by Sonova, Hearing Aid Domes for Phonak Audeo Marvel Paradise Lumity Accessories -1 Pack/10"
brand: "otto tech"
price: "A$29"
currency: AUD
in_stock: true
reviews_count: 6
category: "Otto Tech"
url: https://www.desertcart.com.au/products/709033257-otto-tech-phonak-vented-4-0-dome-small-0-29
store_origin: AU
region: Australia
---

# 0.29 inch (7.5mm) small vented dome Optimized for moderate hearing loss amplification Genuine OEM Swiss-made by Sonova Otto Tech Phonak Vented 4.0 Dome Small (0.29 inch=7.5mm) 10 Domes, Genuine OEM Switzerland by Sonova, Hearing Aid Domes for Phonak Audeo Marvel Paradise Lumity Accessories -1 Pack/10

**Brand:** otto tech
**Price:** A$29
**Availability:** ✅ In Stock

## Summary

> 🎧 Hear the difference, feel the fit — upgrade your sound game now!

## Quick Answers

- **What is this?** Otto Tech Phonak Vented 4.0 Dome Small (0.29 inch=7.5mm) 10 Domes, Genuine OEM Switzerland by Sonova, Hearing Aid Domes for Phonak Audeo Marvel Paradise Lumity Accessories -1 Pack/10 by otto tech
- **How much does it cost?** A$29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/709033257-otto-tech-phonak-vented-4-0-dome-small-0-29)

## 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

- • **Broad Compatibility:** Seamlessly works with Phonak Audeo Marvel, Paradise, Lumity, and other top RIC hearing aids.
- • **Enhanced Sound Clarity:** Vented 4.0 design amplifies low-frequency sounds without compromising natural hearing balance.
- • **Skin-Friendly Silicone:** Non-allergenic, durable silicone material offers a comfortable, irritation-free experience.
- • **Authentic Swiss Quality:** Genuine OEM replacement parts by Sonova guarantee safety, reliability, and peak hearing aid performance.
- • **Precision Fit for Small Ears:** Tailored 7.5mm diameter domes ensure all-day comfort and secure wear for narrow ear canals.

## Overview

The Otto Tech Phonak Vented 4.0 Dome Small (7.5mm) is a pack of 10 genuine OEM hearing aid domes by Sonova, designed specifically for small and narrow ears. Compatible with leading Phonak and other RIC hearing aids, these vented domes enhance low-frequency sound amplification while ensuring comfort with non-allergenic silicone. Swiss precision manufacturing guarantees optimal performance and durability, making them the trusted choice for moderate hearing loss users seeking superior auditory clarity.

## Description

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

Review: Hearing aid domes - Good product good fit in ears
Review: excelente producto, se demoró un poco pero muy bueno

## Features

- [MANUFACTURER SONOVA - GENUINE OEM REPLACEMENT PARTS - 054-0809] - (OEM) Original equipment manufacturer Phonak Vented 4.0 Domes Small (diameter at base of dome 0.29 inches=7.5mm) accessories in manufacturer packaging 1 pack / 10 Domes Total / Please use Genuine OEM replacement parts for Safety Reliability and Optimal Performance.
- [COMPATIBILITY WITH HEARING AIDS USING ONLY SDS 4.0 RECEIVER] - OEM Phonak Hearing Aid Vented 4.0 Domes small are Compatible with Phonak Audeo (Lumity, Marvel and Paradise platform), Unitron ( Moxi Blu, Moxi Jump and Moxi Move Discover (D), Discover Next (DX) RIC (receiver-in-the-ear) platform), Audicus ( Omni, Spirit, and Wave Model), Hansaton ( Excite platform released in 2018-19), Costco Kirkland Signature KS9, KS10 and KS11
- [SMALL VENTED 4.0 DOMES FOR SMALL AND NARROW EAR SIZES] - Tailored for small and narrow ear sizes, the 0.29 inch=7.5mm small domes offer a comfortable fit. The Vented 4.0 domes block more of the ears than an open 4.0 dome and help amplify low-frequency sounds. These often work best for those with moderate hearing loss.
- [BEST HEARING SOLUTIONS] - The Best OEM Phonak Domes with use OEM (Original equipment manufacturer) CeruShield Disk v2.0 098-0445 for Wax Guards and with no sound loss by hearing aid manufacturer Phonak. For the best sound experience, please choose Phonak CeruShield Wax Filter and OEM Phonak Domes by hearing aid manufacturer
- [NON-ALLERGENIC SILICONE DOMES] - Sonova Vented 4.0 Hearing Aids Domes, boasting non-allergenic silicone construction, domes provide a comfortable and secure fit. Developed by Sonova, a reputable hearing aid manufacturer, the domes are made from skin-friendly materials, ensuring durability and long-lasting performance. The silicone material contributes to overall sound quality, making these domes a reliable choice for users seeking an excellent auditory experience.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CK5S4WC5 |
| ASIN  | B0CK5S4WC5 |
| Best Sellers Rank | 45,638 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 97 in Hearing Aid Domes |
| Brand | Otto Tech |
| Customer Reviews | 4.7 4.7 out of 5 stars (204) |
| Customer reviews | 4.7 4.7 out of 5 stars (204) |
| Date First Available | 26 Oct. 2023 |
| Manufacturer  | Sonova |
| Product Dimensions  | 4.9 x 4.4 x 1.9 cm; 18 g |
| Units | 10.00 Count |

## Images

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Hearing aid domes
*by A***R on 1 November 2025*

Good product good fit in ears

### ⭐⭐⭐⭐⭐ Review
*by D***O on 2 September 2025*

excelente producto, se demoró un poco pero muy bueno

### ⭐⭐⭐⭐⭐ Review
*by F***S on 11 January 2026*

The ones I had were too large.

## 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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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-24*