Įvadas
Thank you for choosing the KZ AZ20 2pin Ear Hook True Wireless Bluetooth Adapter. This manual provides detailed instructions for the proper use, setup, and maintenance of your device. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
Produktas baigtasview
The KZ AZ20 transforms your wired in-ear monitor earphones into a true wireless experience. Featuring the Qualcomm QCC5171 chipset, it offers high-definition audio transmission, low latency, and extended battery life. It supports aptX Adaptive and aptX Lossless technologies for superior sound quality.

Figure 1: KZ AZ20 Ear Hooks in their charging case, showing indicator lights.
Pagrindinės funkcijos:
- „Qualcomm QCC5171“ lustų rinkinys: Supports aptX Adaptive and aptX Lossless for high-fidelity audio.
- True Wireless Transformation: Converts 2-pin wired earphones into wireless.
- Keli garso režimai: Includes Gaming Mode, Balanced Mode, and Bass Boost Mode.
- Pailgintas akumuliatoriaus veikimo laikas: Iki 6 valandų vienu įkrovimu, iš viso 54 valandų su įkrovimo dėklu.
- Maža delsa: Gaming mode offers audio latency as low as 68ms.
- Superior Signal-to-Noise Ratio: Designed to minimize bottom and current noise.

Figure 2: Close-up of the Qualcomm QCC5171 chipset, highlighting its advanced capabilities.
The QCC5171 chipset enables 24-bit 48kHz and 24-bit 96kHz audio transmission, and CD-quality 16-bit 44.1kHz lossless audio with aptX Lossless. It also supports aptX Voice for high-quality voice calls.

Figure 3: Comparison of signal-to-noise ratios, demonstrating the superior performance of QCC5171.
The ultra-high signal-to-noise ratio of the QCC5171 chipset ensures a clean background sound, minimizing bottom and current noise for an enhanced listening experience.
Sąranka
1. Įrenginio įkrovimas:
Before first use, fully charge the KZ AZ20 ear hooks and their charging case. Place the ear hooks into the charging case. The indicator lights on the ear hooks and case will show charging status. A full charge provides approximately 6 hours of playback for the ear hooks, with the case extending total battery life to about 54 hours.
2. Attaching to Earphones:
The KZ AZ20 ear hooks are designed for 2-pin in-ear monitor earphones. Carefully align the 2-pin connectors on your earphones with the receptacles on the ear hooks and push them firmly until they are securely connected. Ensure the correct orientation (left ear hook for left earphone, right for right).

Figure 4: Illustration of transforming wired earphones into wireless using the KZ AZ20 ear hooks.
3. Suporavimas su „Bluetooth“ įrenginiu:
- Ensure the ear hooks are charged and powered on.
- Open the charging case. The ear hooks will automatically enter pairing mode (indicator lights may flash).
- Išmaniajame telefone ar kitame „Bluetooth“ įrenginyje eikite į „Bluetooth“ nustatymus.
- Ieškokite available devices and select "KZ AZ20" from the list.
- Once connected, the indicator lights on the ear hooks will change, typically to a solid blue or off, indicating successful pairing.
The device supports Bluetooth 5.3 for stable and efficient wireless communication.
Naudojimo instrukcijos
Wearing the Ear Hooks:
Gently place the ear hooks over your ears, ensuring the attached earphones are comfortably seated in your ear canals. Adjust the ear hooks for a secure and comfortable fit. The design is optimized for comfort and stability.

Figure 5: Comparison of KZ AZ20 ear hook dimensions with other models, highlighting its compact and lightweight design.
Atkūrimo ir skambučių valdymas:
The KZ AZ20 features touch controls on the ear hooks for media playback and call management. Specific gestures and functions may vary slightly, but common controls include:
- Leisti / pristabdyti: Single tap on either ear hook.
- Kitas takelis: Double tap on the right ear hook.
- Ankstesnis takelis: Double tap on the left ear hook.
- Atsiliepti / Baigti skambutį: Vienas bakstelėjimas įeinančio skambučio metu.
- Atmesti skambutį: Press and hold for 2 seconds during an incoming call.
- Suaktyvinti „Voice Assistant“: Triple tap on either ear hook.
Garso režimų perjungimas:
The KZ AZ20 offers three distinct audio modes to optimize your listening experience:

6 pav. Baigtaview of the three available audio modes: Bass Boost, Gaming, and Balanced.
- Bosų sustiprinimo režimas: Enhances low frequencies for a more powerful and impactful sound, ideal for bass-heavy music.
- Žaidimų režimas: Optimizes for low audio latency (as low as 68ms), providing a responsive audio experience crucial for gaming.
- Subalansuotas režimas: Offers a well-rounded and neutral audio output, suitable for various content including music, videos, and general daily use.
To switch between modes, refer to the specific instructions in your included user manual or experiment with pressing and holding certain touch areas for a few seconds until you hear an audio prompt indicating the mode change.
Baterijos veikimo laikas ir įkrovimas
The KZ AZ20 is designed for extended use with its efficient power management.

Figure 7: Detailed breakdown of battery life: 6 hours on a single charge, 54 hours total with the charging case, and 800mAh charging case capacity.
- Ear Hook Playback Time: Approximately 6 hours on a single full charge.
- Bendras baterijos veikimo laikas (su įkrovimo dėklu): Maždaug 54 valandos.
- Įkrovimo dėklo talpa: 800 mAh.
- Charging Time (Ear Hooks): Maždaug 6 valandos.
To charge the ear hooks, simply place them back into the charging case. To charge the case itself, connect it to a power source using a compatible USB cable. The indicator lights on the case will show charging status.

Figure 8: Comparison of power consumption and battery life across different chipsets, showing the efficiency of QCC5171.
Priežiūra
- Valymas: Use a soft, dry cloth to clean the ear hooks and charging case. Do not use abrasive cleaners or immerse the device in water.
- Saugykla: When not in use, store the ear hooks in their charging case to protect them and keep them charged. Store in a cool, dry place away from direct sunlight and extreme temperatures.
- Atsparumas vandeniui: The device is water resistant. Avoid prolonged exposure to water or submersion.
- Akumuliatoriaus priežiūra: Norėdami pailginti baterijos veikimo laiką, venkite dažnai visiškai iškrauti įrenginį. Reguliariai jį įkraukite, net jei nenaudojate nuolat.
Trikčių šalinimas
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Nėra garso / Atsijungimas | Low battery, out of range, not paired, earphones not properly connected. | Charge the device. Move closer to the paired device. Re-pair the ear hooks. Ensure earphones are securely attached to the 2-pin connectors. |
| Negalima susieti | Device not in pairing mode, Bluetooth off on source device, interference. | Ensure ear hooks are in pairing mode (open case). Turn Bluetooth off and on again on your device. Move away from other wireless devices. |
| Įkrovimo problemos | Poor contact, faulty cable/charger, ear hooks not seated correctly in case. | Ensure ear hooks are properly seated in the charging case. Check charging cable and adapter. Clean charging contacts if necessary. |
| Unintended Connection to Device | Ear hooks not properly seated in charging case, preventing disconnection. | Ensure ear hooks are fully seated in the charging case and the case lid is closed. This should disconnect them from your device and initiate charging. |
Specifikacijos
- Modelio pavadinimas: AZ-20
- Ryšio technologija: Belaidis ryšys („Bluetooth 5.3“)
- Belaidžio ryšio technologija: Tikras belaidis ryšys
- Lustų rinkinys: Qualcomm QCC5171 (supports aptX Adaptive, aptX Lossless, aptX Voice)
- Suderinami įrenginiai: Android phones (and other Bluetooth-enabled devices)
- Valdymo tipas: Medijos valdymas (lietimu)
- Atsparumo vandeniui lygis: Atsparus vandeniui
- Dažnių diapazonas: >= 44.1 KHz
- Ear Hook Battery Life: Maždaug 6 valandos (vienas įkrovimas)
- Bendras baterijos veikimo laikas (su dėklu): apytiksliai 54 valandas
- Įkrovimo dėklo akumuliatoriaus talpa: 800 mAh
- Medžiaga: Silikonas, plastikas
- Spalva: Juoda
- Prekės svoris: 4.2 uncijos
- Gamintojas: Alpha & Delta
- Prekės modelio numeris: TRN BT350
Garantija ir palaikymas
This product comes with a user manual. For specific warranty information and customer support, please refer to the documentation included in your product packaging or contact the manufacturer directly. Keep your purchase receipt for warranty claims.

Figure 9: The KZ AZ20 product packaging, showing the ear hooks, charging case, and included user manual.