KZ AZ20 IEM True Wireless Adapter User Manual

1. Introduction

This manual provides comprehensive instructions for the KZ AZ20 IEM True Wireless Adapter. It covers setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device. The KZ AZ20 is designed to convert compatible in-ear monitors (IEMs) into true wireless earphones, utilizing advanced Bluetooth technology for high-fidelity audio.

2. Product Overview

The KZ AZ20 True Wireless Adapter consists of two ear hooks and a charging case. Each ear hook features a 0.78mm 2PIN connector for attaching to your IEMs, integrated controls, and a microphone. The charging case provides portable power and protection for the ear hooks.

2.1 What's in the Box

• KZ AZ20 True Wireless Adapter (Left and Right Ear Hooks)
• Charging Case
• USB-C Charging Cable
• User Manual

Image: KZ AZ20 True Wireless Adapter ear hooks in their charging case. The ear hooks are black with blue indicator lights, and the charging case has a green indicator light.

3. Setup

3.1 Attaching IEMs

Carefully align the 0.78mm 2PIN connector on each KZ AZ20 ear hook with the corresponding ports on your compatible IEMs. Gently push until a secure connection is established. Ensure the left ear hook is connected to the left IEM and the right to the right IEM.

3.2 Initial Charge

Before first use, place both ear hooks into the charging case and connect the case to a power source using a USB-C cable. The indicator lights will show charging status. Ensure the device is fully charged for optimal performance.

3.3 Bluetooth Pairing

1. Open the charging case. The ear hooks will automatically enter pairing mode, indicated by flashing lights.
2. On your audio device (smartphone, tablet, etc.), navigate to the Bluetooth settings.
3. Search for available devices and select 'KZ AZ20' from the list.
4. Once connected, the indicator lights on the ear hooks will change, typically to a solid blue or off, depending on the status.

Image: A person wearing the KZ AZ20 adapter with an in-ear monitor, demonstrating the ergonomic fit. The adapter hooks over the ear, holding the IEM securely.

Image: A smartphone screen displaying Bluetooth settings, with 'AZ20' selected for pairing, illustrating the connection process.

4. Operating Instructions

The KZ AZ20 features touch controls on each ear hook for managing playback, calls, and other functions.

4.1 Power On/Off

The ear hooks power on automatically when removed from the charging case and power off when returned to the case. Manual power on/off may be available via a long press on the touch control area.

4.2 Music Playback

• Tap once on either ear hook to Play/Pause music.
• Double-tap the right ear hook for Next Track.
• Double-tap the left ear hook for Previous Track.

4.3 Call Management

• Tap once on either ear hook to Answer/End a call.
• Long press on either ear hook to Reject a call.

4.4 Voice Assistant

Triple-tap on either ear hook to activate your device's voice assistant.

4.5 Sound Modes

The KZ AZ20 may offer different sound modes. Refer to the product's specific touch control guide for switching between modes, such as 'Extended Sound' mode mentioned in some user feedback.

Image: Close-up of the KZ AZ20 ear hook showing the button control area and illustrating the flexible ear hook design for a comfortable fit.

5. Charging and Battery Life

The KZ AZ20 ear hooks provide extended playback time, supported by a portable charging case.

• Ear Hook Battery Life: Each ear hook offers approximately 6 hours of continuous playback on a single full charge.
• Charging Case: The 800mAh charging case can recharge the ear hooks multiple times, extending the total listening time up to 54 hours.
• Charging Process: Place the ear hooks into the charging case. Connect the charging case to a USB power adapter using a USB-C cable. Indicator lights on the case and ear hooks will show charging status. A full charge for the case typically takes a few hours.

Image: Graphic illustrating the battery life: 6 hours for single ear hook playback, 54 hours total with the charging case, and 800mAh charging case capacity.

6. Compatibility

The KZ AZ20 is designed with a 0.78mm 2PIN connector for wide compatibility with various in-ear monitors.

6.1 Compatible IEMs include:

• ZAR, AS24, AST, ZAS, ZSN, ZSN PRO, ZS10 PRO, AS16, AS12, ZSX, ZSN PRO-X, ZAX, ASF, ASX, DQ6, EDX PRO, EDS, DQ6S, ZES, EDA, EDX, and other 0.78mm 2PIN interface headphones.

7. Maintenance

Proper care ensures the longevity and performance of your KZ AZ20 adapter.

• Cleaning: Gently wipe the ear hooks and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials. Ensure the 2PIN connectors are clean and free of debris.
• Storage: When not in use, store the ear hooks in their charging case to protect them and keep them charged.
• Water Resistance: The KZ AZ20 features water resistance. However, it is not waterproof. Avoid submerging the device in water or exposing it to heavy rain. Dry thoroughly if exposed to moisture.

8. Troubleshooting

If you encounter issues with your KZ AZ20, refer to the following common solutions.

8.1 No Power/Not Charging

• Ensure the charging case and ear hooks are properly seated and making contact with the charging pins.
• Verify the USB-C cable and power adapter are functioning correctly.
• Check for any debris in the charging ports.

8.2 Cannot Pair/Connect

• Ensure Bluetooth is enabled on your device and the KZ AZ20 is in pairing mode.
• Move the KZ AZ20 closer to your device and away from potential interference sources.
• Try forgetting 'KZ AZ20' from your device's Bluetooth list and re-pairing.
• Ensure the ear hooks are sufficiently charged.

8.3 Sound Issues (No Sound, Low Volume, Disconnections)

• Check the volume levels on both your connected device and the KZ AZ20.
• Ensure the IEMs are securely connected to the ear hooks.
• Verify that no other devices are connected to the KZ AZ20.
• Restart your connected device and the KZ AZ20 (by placing them in the case and taking them out).
• Ensure the ear hooks are within the effective Bluetooth range of your device.

8.4 Controls Not Responding

• Ensure your fingers are clean and dry when using touch controls.
• Try restarting the ear hooks.

9. Specifications

Technical specifications for the KZ AZ20 IEM True Wireless Adapter.

• Model Name: AZ20
• Connectivity Technology: Bluetooth
• Wireless Communication Technology: Bluetooth 5.3
• Bluetooth Chip: Qualcomm QCC5171
• Audio Codecs: AptX Adaptive, AptX, SBC, AAC
• Noise Control: Sound Isolation
• Ear Placement: Over Ear
• Form Factor: True Wireless
• Control Method: Touch
• Material: Silicone (ear hooks)
• Charging Case Battery Capacity: 800mAh
• Ear Hook Playback Time: Approximately 6 hours (single charge)
• Total Playback Time (with case): Up to 54 hours
• Connector Type: 0.78mm 2PIN
• Charging Port: USB-C
• Item Weight: 6.7 ounces (0.19 Kilograms)
• Special Feature: Water Resistant
• Manufacturer: yuanze
• Date First Available: August 1, 2023

Image: Diagram illustrating the 'Pro high-end DAC' feature, highlighting the Qualcomm QCC5171 chip's capability for 24-bit 384kHz audio processing compared to other 24-bit 96kHz chips.

Image: A comparison table of Bluetooth chips, showing the Qualcomm QCC5171's superior power consumption, transmission bitrate, protocols, call noise reduction, and Bluetooth version (5.3).

10. Warranty and Support

KZ products are manufactured to high-quality standards. For warranty information or technical support, please refer to the documentation included with your purchase or visit the official KZ website. Keep your proof of purchase for warranty claims.