---
product_id: 646082319
title: "EZ EAR KZ AZ09 Wireless IEM Bluetooth Adapter 5.4 Module Noise Isolation C-pin Bluetooth Headphone for ​KZ ZS10 PRO/ZS10 PRO X/ZSN Pro X/ZSN PRO/AS16 PRO/Zax, CRA/C12"
brand: "ez ear"
price: "HK$425"
currency: HKD
in_stock: true
reviews_count: 5
category: "Ez Ear"
url: https://www.desertcart.hk/products/646082319-ez-ear-kz-az09-wireless-iem-bluetooth-adapter-5-4
store_origin: HK
region: Hong Kong
---

# Dual host & C-pin/B-pin Bluetooth 5.4 tech 42h total playtime EZ EAR KZ AZ09 Wireless IEM Bluetooth Adapter 5.4 Module Noise Isolation C-pin Bluetooth Headphone for ​KZ ZS10 PRO/ZS10 PRO X/ZSN Pro X/ZSN PRO/AS16 PRO/Zax, CRA/C12

**Brand:** ez ear
**Price:** HK$425
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your KZ IEMs to wireless freedom — because wired is so last decade!

## Quick Answers

- **What is this?** EZ EAR KZ AZ09 Wireless IEM Bluetooth Adapter 5.4 Module Noise Isolation C-pin Bluetooth Headphone for ​KZ ZS10 PRO/ZS10 PRO X/ZSN Pro X/ZSN PRO/AS16 PRO/Zax, CRA/C12 by ez ear
- **How much does it cost?** HK$425 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/646082319-ez-ear-kz-az09-wireless-iem-bluetooth-adapter-5-4)

## Best For

- ez ear enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Multi-Device Switching:** Dual-channel transmission and individual earhook use let you effortlessly toggle between devices without missing a beat.
- • **Unmatched All-Day Audio Freedom:** Up to 6 hours per charge + 7 full recharges via 800mAh case keeps your music flowing nonstop.
- • **Broad Compatibility with KZ IEMs:** Supports both C-pin (0.75mm) and B-pin (0.78mm) models, making it the ultimate wireless upgrade for your KZ lineup.
- • **Featherlight Comfort for Long Wear:** At just 4.5g each, these earhooks fit snugly with zero pressure—perfect for marathon calls or binge sessions.
- • **Next-Gen Bluetooth 5.4 Connectivity:** Experience ultra-stable, low-latency wireless sound with AAC codec for crystal-clear audio clarity.

## Overview

The EZ EAR KZ AZ09 is a Bluetooth 5.4 wireless adapter designed for select KZ IEM models, offering up to 6 hours of continuous playback per charge and a total of 42 hours with its charging case. Featuring dual-host transmission, AAC codec support, and ultra-lightweight earhooks, it delivers stable, high-fidelity audio with broad compatibility across multiple KZ earphone pin types.

## Description

Brand: KzModel: AZ09Host: DoubleBattery usage time: 6 hours/1charge

Review: The sound quality is poor, plus I received it with no charging cable.
Review: Gotta have your own headphones! These work wonderful, if your on one device they have no issue connecting. I have issues with multiple devices. As I am switching between three throughout the day. But the sound quality is very clear. The different ear tips make it comfortable as you want.

## Features

- 𝐁𝐫𝐨𝐚𝐝 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐢𝐥𝐢𝐭𝐲- KZ Bluetooth iem adapter provides B-pin 0.78MM/C-pin 0.75MM choices. B-pin 0.78 MM suitable for KZ ZST/ZST-X/EDX/ZSR/ES4/AS10,CCA C10; C-pin 075MM for ZSN PRO/ZSN PRO-X/ZS10 PRO/ZS10 PRO X/ZS12 PRO X/ZS10 PRO 2/EDX PRO/CASTOR/ZAR/PR2/ZAX/AS24/AS24 PRO/ZAS/ZS-X,CCA CRA/C12
- 𝟓.𝟐 𝐁𝐥𝐮𝐞𝐭𝐨𝐨𝐭𝐡 𝐌𝐨𝐝𝐮𝐥𝐞-The iem wireless adapter adopts 5.4 technology which offers you an unparalleled audio experience with faster transmission speed, stronger connection stability. TWS high-definition bluetooth upgrade earhooks, support AAC audio encoding transmission. Hifi sound comes from double protection of chip guard and AAC advanced encoding capabilities.
- 𝐋𝐨𝐧𝐠 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 𝐋𝐢𝐟𝐞-You can get 6 hours usage period per each charge. 800mAh charging case supports 7 times of recharging for both earbuds, gives up to 42 hours continuous music time. Keep you free from mobile charger with music all day!
- 𝐃𝐨𝐮𝐛𝐥𝐞 𝐇𝐨𝐬𝐭- Dual-channel transmission, lower delay. Earhooks can be used individually. The earhook features a high performance mode that gives you faster audio transmission speeds when you play games.
- 𝐋𝐢𝐠𝐡𝐭 𝐖𝐞𝐢𝐠𝐡𝐭 & 𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞-Only 4.5g of each earhook, take in ear with 0 pressure. One multi-functional press button for calls, playing, pause and switch music.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D2HB8T8C |
| Age range (description) | Adult |
| Best Sellers Rank | #83,155 in Electronics ( See Top 100 in Electronics ) #845 in Headphone Adapters |
| Cable feature | Without Cable |
| Charging time | 1 Hours |
| Compatible devices | Cellphones |
| Connectivity technology | Wireless |
| Control method | Touch |
| Control type | Media Control |
| Headphone jack | No Jack |
| Included components | Wireless Charging Case |
| Item model number | KZ AZ09 |
| Item weight | 4.5 Grams |
| Manufacturer | EZ EAR |
| Material | Plastic |
| Model name | KZ AZ09 C PIN |
| Package Dimensions | 8.71 x 7.59 x 4.19 cm; 4.5 g |
| Specific uses for product | Calling, Entertainment |
| Style | Modern |
| Water resistance level | Not Water Resistant |
| Wireless communication technologies | Bluetooth |

## Product Details

- **Brand:** EZ EAR
- **Colour:** AZ09
- **Ear placement:** In Ear
- **Form factor:** In Ear
- **Noise control:** Sound Isolation

## Images

![EZ EAR KZ AZ09 Wireless IEM Bluetooth Adapter 5.4 Module Noise Isolation C-pin Bluetooth Headphone for ​KZ ZS10 PRO/ZS10 PRO X/ZSN Pro X/ZSN PRO/AS16 PRO/Zax, CRA/C12 - Image 1](https://m.media-amazon.com/images/I/516ilTOnM1L.jpg)
![EZ EAR KZ AZ09 Wireless IEM Bluetooth Adapter 5.4 Module Noise Isolation C-pin Bluetooth Headphone for ​KZ ZS10 PRO/ZS10 PRO X/ZSN Pro X/ZSN PRO/AS16 PRO/Zax, CRA/C12 - Image 2](https://m.media-amazon.com/images/I/51F+5XRo4ML.jpg)
![EZ EAR KZ AZ09 Wireless IEM Bluetooth Adapter 5.4 Module Noise Isolation C-pin Bluetooth Headphone for ​KZ ZS10 PRO/ZS10 PRO X/ZSN Pro X/ZSN PRO/AS16 PRO/Zax, CRA/C12 - Image 3](https://m.media-amazon.com/images/I/61cBxigJ1NL.jpg)
![EZ EAR KZ AZ09 Wireless IEM Bluetooth Adapter 5.4 Module Noise Isolation C-pin Bluetooth Headphone for ​KZ ZS10 PRO/ZS10 PRO X/ZSN Pro X/ZSN PRO/AS16 PRO/Zax, CRA/C12 - Image 4](https://m.media-amazon.com/images/I/61vJTJ+zTwL.jpg)
![EZ EAR KZ AZ09 Wireless IEM Bluetooth Adapter 5.4 Module Noise Isolation C-pin Bluetooth Headphone for ​KZ ZS10 PRO/ZS10 PRO X/ZSN Pro X/ZSN PRO/AS16 PRO/Zax, CRA/C12 - Image 5](https://m.media-amazon.com/images/I/71QzsEmuBXL.jpg)

## Customer Reviews

### ⭐⭐ Review
*by R***N on 11 July 2025*

The sound quality is poor, plus I received it with no charging cable.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 18 November 2025*

Gotta have your own headphones! These work wonderful, if your on one device they have no issue connecting. I have issues with multiple devices. As I am switching between three throughout the day. But the sound quality is very clear. The different ear tips make it comfortable as you want.

### ⭐⭐⭐⭐⭐ Review
*by S***A on 27 October 2024*

Muy buen producto, no he tenido ningún problema de conección, ni de carga con los módulos. Recomendable!!!!

## Frequently Bought Together

- KZ AZ09 Wireless IEM Bluetooth Adapter 5.4 Module Noise Isolation C-pin Bluetooth Headphone for ​KZ ZS10 PRO/ZS12 PRO X/ZS10 PRO 2/ZSN Pro X/ZSN PRO/EDX PRO/Castor, CCA CRA/C12
- KZ EDX PRO in Ear Monitor IEM Wired Earbuds, Ear Buds HiFi Stereo Sound Earphones with 1DD New 10mm Dynamic Driver Noise Cancelling Headphone with Detachable Cable

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**Shop now:** [https://www.desertcart.hk/products/646082319-ez-ear-kz-az09-wireless-iem-bluetooth-adapter-5-4](https://www.desertcart.hk/products/646082319-ez-ear-kz-az09-wireless-iem-bluetooth-adapter-5-4)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-24*