1. Giriş
The erjigo KZ AZ20 is a True Wireless Stereo (TWS) Bluetooth 5.3 adapter earhook designed to convert compatible wired in-ear monitors (IEMs) into wireless headphones. Featuring the Qualcomm QCC5171 chip, it supports advanced audio codecs for high-fidelity sound and offers multiple performance modes. This manual provides instructions for setup, operation, maintenance, and troubleshooting to ensure optimal use of your KZ AZ20 adapter.
2. Ürün Bittiview
The KZ AZ20 earhook adapters integrate Bluetooth 5.3 technology with a high-performance Qualcomm QCC5171 chip, enabling high-resolution audio transmission and low-latency performance. The ergonomic design ensures a comfortable and secure fit for extended wear.

Image 2.1: The KZ AZ20 earhook adapters shown with their charging case, highlighting key features such as Bluetooth 5.3 and Qualcomm QCC5171 chip.
Temel Özellikler:
- Bluetooth 5.3 Bağlantısı: İstikrarlı ve verimli kablosuz bağlantı sağlar.
- Qualcomm QCC5171 Chip: Provides advanced audio processing for superior sound quality.
- Yüksek Çözünürlüklü Ses Desteği: Compatible with aptX Adaptive, aptX Lossless, aptX HD Audio, aptX, SBC, and AAC codecs.
- Ultra Düşük Gecikme: Game mode offers latency as low as 68ms.
- Three Performance Modes: Game, Balanced Music, and Heavy Bass modes for customized audio experience.
- Uzun Pil Ömrü: Up to 6 hours on a single charge for earhooks, and up to 54 hours with the charging case.
- Ergonomik Tasarım: Skin-friendly silicone earhangs for comfortable and secure fit.
- C Tipi Şarj: Modern ve kullanışlı şarj arayüzü.
3. Kurulum
3.1 Paket İçeriği
- KZ AZ20 Bluetooth Earhook Adapters (Left and Right)
- Şarj Kutusu
- USB Type-C Charging Cable (not explicitly listed but standard)
- Kullanım Kılavuzu (bu belge)
3.2 İlk Şarj
Before first use, fully charge the KZ AZ20 earhook adapters and their charging case. Place the earhooks into the charging case and connect the charging case to a power source using a USB Type-C cable. The indicator lights on the case and earhooks will show charging status.

Image 3.1: The KZ AZ20 earhook adapters placed inside their charging case, ready for charging or storage.
3.3 Connecting to Wired Earphones
The KZ AZ20 adapters are designed for earphones with 0.78mm or 0.75mm 2-pin connectors. Carefully align the pins on the earhook adapter with the sockets on your wired earphones and push them together until they are securely connected. Ensure the left (L) and right (R) adapters are connected to the corresponding earphones.

Image 3.2: Illustration demonstrating how to connect a wired earphone to the KZ AZ20 wireless earhook adapter, transforming it into a wireless unit.
3.4 Bluetooth Eşleştirme
- Take both earhook adapters out of the charging case. They will automatically enter pairing mode, indicated by a flashing LED light.
- Cihazınızda (akıllı telefon, tablet, bilgisayar) Bluetooth'u etkinleştirin ve kullanılabilir cihazları arayın.
- Select "KZ AZ20" from the list of found devices.
- Once connected, the LED indicator on the earhooks will stop flashing and remain solid or turn off, depending on the status.
- If pairing fails, place the earhooks back into the case, close it, and then repeat the steps.
4. Kullanım Talimatları
4.1 Güç Açma/Kapatma
- Güç Açık: Take the earhooks out of the charging case. They will automatically power on and attempt to connect to the last paired device.
- Kapat: Place the earhooks back into the charging case and close the lid. They will automatically power off and begin charging.
4.2 Ses Oynatma ve Aramalar
The KZ AZ20 earhooks feature touch controls for managing audio playback and calls. Specific touch gestures may vary; refer to the quick start guide or product packaging for detailed control schemes.
- Oynat/Duraklat: Single tap on either earhook.
- Sonraki Parça: Double tap on the right earhook.
- Önceki parça: Double tap on the left earhook.
- Çağrıyı Cevapla/Sonlandır: Single tap on either earhook during an incoming call.
- Çağrıyı Reddet: Press and hold either earhook for 2 seconds during an incoming call.
- Voice Assistant'ı etkinleştirin: Triple tap on either earhook.
4.3 Performans Modları
The KZ AZ20 offers three distinct performance modes to optimize your listening experience:

Image 4.1: The KZ AZ20 earhooks illustrating the three available performance modes: Gaming Mode, Balanced Mode, and Bass Boost Mode.
- Oyun Modu: Provides ultra-low latency (approx. 68ms) for synchronized audio during gaming.
- Balanced Music Mode: Offers a neutral and transparent sound profile with delicate and balanced three-frequency performance, suitable for general music listening.
- Heavy Bass Mode: Enhances low frequencies for a powerful and impactful audio experience, ideal for bass-heavy music.
To switch between modes, refer to the specific touch control instructions provided with your product or through the companion application, if available.
5. Şarj ve Pil Ömrü
The KZ AZ20 earhook adapters and charging case are equipped with rechargeable batteries. The earhooks provide approximately 6 hours of playback on a single full charge. When combined with the charging case, the total battery life extends to approximately 54 hours.

Image 5.1: Visual representation of the KZ AZ20's battery life: 6 hours for earhooks, 54 hours total with the 800mAh charging case.
5.1 Charging the Earhooks
Place the earhook adapters into their designated slots within the charging case. Ensure the charging contacts align. The earhooks will automatically begin charging from the case's internal battery.
5.2 Kılıfın Şarj Edilmesi
Connect the charging case to a USB power adapter (5V/1A recommended) using the provided USB Type-C cable. The charging indicator on the case will illuminate to show charging status and turn off when fully charged. The charging case has an 800mAh battery capacity and can recharge the earhooks approximately 9 times.
6. Bakım
Proper maintenance ensures the longevity and performance of your KZ AZ20 earhook adapters.
- Temizlik: Use a soft, dry, lint-free cloth to clean the earhooks and charging case. Avoid using abrasive materials, solvents, or harsh chemicals.
- Şarj Kişileri: Periodically inspect and gently clean the charging contacts on both the earhooks and inside the case to ensure proper connection.
- Depolamak: When not in use, store the earhooks in their charging case to protect them and keep them charged. Store in a cool, dry place away from direct sunlight and extreme temperatures.
- Suya Dayanıklılık: The product is listed as waterproof. However, avoid prolonged submersion or exposure to high-pressure water jets. Ensure the charging port is dry before charging.
7. Sorun Giderme
If you encounter issues with your KZ AZ20, refer to the following troubleshooting steps:
- Güç Yok: Ensure the earhooks and charging case are fully charged.
- Eşleştirilemiyor:
- Cihazınızda Bluetooth'un etkin olduğundan emin olun.
- Place earhooks back in the case, close, then reopen to re-enter pairing mode.
- Forget/delete "KZ AZ20" from your device's Bluetooth list and try pairing again.
- Kulak kancalarının cihazınızın 15 metrelik Bluetooth menzilinde olduğundan emin olun.
- Ses Yok/Ses Kalitesi Zayıf:
- Check the volume level on both your device and the earhooks.
- Ensure the earhooks are securely connected to your wired earphones.
- Verify that the KZ AZ20 is selected as the audio output device on your phone.
- Girişimden kaçınmak için cihazınıza yaklaşın.
- Restart your device and the earhooks.
- Earhooks Not Charging:
- Şarj kablosunun hem kasaya hem de güç kaynağına güvenli bir şekilde bağlandığından emin olun.
- Check if the charging contacts on the earhooks and inside the case are clean and free of debris.
- Farklı bir USB Type-C kablosu ve güç adaptörü deneyin.
8. Özellikler
| Özellik | Şartname |
|---|---|
| Ürün Modeli | KZ AZ20 |
| Bluetooth Sürümü | 5.3 |
| Bluetooth Çipi | Qualcomm QCC5171 |
| Bluetooth Menzili | 15 metre |
| Ses Kodekleri | aptX Adaptive, aptX Lossless, aptX HD Audio, aptX, SBC, AAC |
| Earhook Battery Capacity | 35mAh (her biri) |
| Earhook Battery Life | Yaklaşık 6 saat |
| Şarj Kutusu Pil Kapasitesi | 800mAh |
| Toplam Pil Ömrü (kılıfla birlikte) | Yaklaşık 54 saat |
| Şarj Arayüzü | Tip-C |
| Charging Input (Case) | 5V-1A |
| Çıkış (Kulaklık) | 5V-0.1A |
| Compatible Earphone Connectors | 0.78mm / 0.75mm 2-pin |
| Malzeme | Silikon |
| Su Direnç Seviyesi | Su geçirmez |
Compatible Headphones:
The KZ AZ20 is compatible with a wide range of 0.78mm/0.75mm 2-pin connector earphones, including but not limited to:
- KZ Models: DFI, AS16PRO, ZSX, EDXS, ZSNPRO, ZSN PRO X, KRILA, DQS, EDX PRO, ASX, PR1, PR1 PRO, ZS10 PRO, ZEX, ZEX PRO, ZAX, AS24, PR2, ZNA, EDA, ZAS, ST, ZVX, ZS10 PRO X, DQ6S, ZAR, EDX ULTRA, ZSN, DQ6, ESX, ZES
- CCA Models: C12, CRA+, CSN, CKX, CXS, CS16, CRA, LYRA, DUO, PLA13, HM20, CA16PRO, CA10, CA24
9. Önemli Güvenlik Bilgileri
- Ürünü sökmeyin, tamir etmeyin veya üzerinde değişiklik yapmayın.
- Ürünü aşırı sıcaklıklardan, nemden ve aşındırıcı maddelerden uzak tutun.
- Ürünü düşürmekten veya güçlü darbelere maruz bırakmaktan kaçının.
- Ürünü ve pilini yerel yönetmeliklere uygun şekilde sorumlu bir şekilde atın.
- Yüksek ses seviyelerine uzun süre maruz kalmak işitme hasarına neden olabilir. Orta ses seviyelerinde dinleyin.