Linsoul KZ AZ15

Linsoul KZ AZ15 Bluetooth Earhook User Manual

Model: AZ15 | Brand: Linsoul

1. Introduction

Thank you for choosing the Linsoul KZ AZ15 Upgraded Bluetooth 5.2 Wireless Earhooks. This product is designed to convert your wired In-Ear Monitors (IEMs) into wireless earphones, offering enhanced convenience and audio experience. Featuring a Qualcomm QCC3046 chip, the AZ15 provides stable connectivity, low power consumption, and support for various audio codecs. This manual provides detailed instructions on how to set up, operate, and maintain your KZ AZ15 earhooks to ensure optimal performance.

2. Package Contents

Please verify that all items listed below are included in your package:

  • Linsoul KZ AZ15 Bluetooth Earhooks (Left and Right)
  • Charging Case
  • USB Charging Cable
  • User Manual

3. Product Overview

The Linsoul KZ AZ15 earhooks are engineered for a seamless wireless audio experience with your compatible IEMs. Key features include:

  • Qualcomm QCC3046 Chip: Provides stable, accurate, and fast Bluetooth 5.2 connectivity with low power consumption. Supports APTX, AAC, and SBC modes for enhanced transmission rate.
  • Three-Mode Design: Easily switch between Game Mode, Standard Music Mode, and Full Power Mode for optimized audio performance based on your activity.
  • 2-Pin Gold-Plated Connector: Standard 2-pin design allows for quick conversion of most wired IEMs into wireless earphones.
  • Long Battery Life: Up to 6 hours of continuous playback on a single charge for the earhooks, with the charging case providing approximately 9 additional recharges.
  • Ergonomic and Lightweight: Designed to fit closely to the auricle for stable and comfortable wear, preventing easy detachment.
  • CVC Noise Reduction: Integrated CVC technology for clear voice calls, even in noisy environments, by retaining sound details.
  • Dual Host Support: Both earhooks can be used independently, allowing for flexible left and right ear usage.
Linsoul KZ AZ15 Earhooks in Charging Case

Figure 3.1: Linsoul KZ AZ15 Earhooks and Charging Case.

Key Features of KZ AZ15 Earhooks

Figure 3.2: Overview of KZ AZ15 key features including Qualcomm Bluetooth 5.2 chip, multiple sound modes, long battery life, aptX/AAC/SBC HD transmission, ergonomic design, and dual host support.

Converting Wired Earbuds to Wireless

Figure 3.3: Illustration of how the standard 2-pin gold-plated design allows conversion of wired earphones to wireless.

Lightweight and Comfortable Design

Figure 3.4: The ergonomic design ensures the Bluetooth earhook fits securely and comfortably around the auricle.

Battery Life and Charging Case Capacity

Figure 3.5: Information on the earhooks' 6-hour single life time, 54-hour total battery life with the 800mAh charging case.

Noise Reduction Function

Figure 3.6: The CVC noise reduction function provides clear calls even in noisy environments, enhancing voice clarity.

Dual Host Separate Use

Figure 3.7: Both left and right earhooks can be used independently, offering flexible usage options.

4. Setup

4.1 Charging the Earhooks and Case

Before first use, fully charge the KZ AZ15 earhooks and their charging case.

  1. Place the earhooks into the charging case, ensuring they are properly seated.
  2. Connect the USB charging cable to the charging port on the case and plug the other end into a 5V USB power adapter (not included).
  3. The indicator light on the charging case will show charging status. A full charge typically takes approximately 2 hours for the earhooks and longer for the case.
  4. Once fully charged, disconnect the charging cable.

4.2 Pairing with a Device

The KZ AZ15 earhooks support dual host functionality, allowing independent pairing.

  1. Ensure the earhooks are charged and removed from the charging case. They will automatically enter pairing mode.
  2. On your device (smartphone, tablet, laptop), enable Bluetooth.
  3. Search for available Bluetooth devices. You should see "KZ AZ15" in the list.
  4. Select "KZ AZ15" to connect. Once connected, a voice prompt will confirm successful pairing.
  5. If pairing fails, place the earhooks back into the case, close the lid, wait a few seconds, then open the lid and try again.

5. Operating Instructions

5.1 Button Functions (One-Key Operation)

The KZ AZ15 features a single button on each earhook for simplified control:

KZ AZ15 One-Key Operation Guide

Figure 5.1: Visual guide to the one-key operation for various functions.

Action Function
Click once (Left/Right Earbud) Play/Pause Music, Answer/End Call
Double-click (Left Earbud) Previous Song
Double-click (Right Earbud) Next Song
Long press for 2 seconds (Left/Right Earbud) Reject Call, Activate Voice Assistant
Click three times (Right Earbud) Switch between Game Mode / Standard Music Mode
Long press (Left Earbud) Activate Full Power Mode

5.2 Sound Modes

The KZ AZ15 offers three distinct sound modes to optimize your listening experience:

Game, Standard Music, and Full Power Modes

Figure 5.2: Comparison of Game Mode, Standard Music Mode, and Full Power Mode.

  • Game Mode: Synchronizes audio and video with low latency (as low as 40ms), providing a smooth gaming experience.
  • Standard Music Mode: Offers a transparent sound field, extending high-frequency range and stabilizing low-frequency effects for detailed music listening.
  • Full Power Mode: Maximizes earphone output for a more stable connection without disconnections and enhanced bass effects.

6. Maintenance

To ensure the longevity and optimal performance of your Linsoul KZ AZ15 earhooks, follow these maintenance guidelines:

  • Cleaning: Regularly wipe the earhooks and charging case with a soft, dry cloth. Avoid using abrasive materials or harsh chemicals. Ensure the charging contacts on both the earhooks and inside the case are clean and free of debris.
  • Storage: When not in use, store the earhooks in their charging case to protect them from dust and damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.
  • Battery Care: To preserve battery life, avoid fully discharging the earhooks frequently. Charge them regularly, even if not used for extended periods.
  • Water Resistance: The product has a waterproof rating. However, avoid prolonged exposure to water or submersion. Dry thoroughly if exposed to moisture before placing back in the charging case.

7. Troubleshooting

If you encounter issues with your KZ AZ15 earhooks, refer to the following common problems and solutions:

Problem Possible Solution
Earhooks do not power on. Ensure earhooks are charged. Place them in the charging case and connect the case to power.
Cannot pair with device. Ensure Bluetooth is enabled on your device. Place earhooks back in case, close lid, then reopen to re-enter pairing mode. Forget "KZ AZ15" from your device's Bluetooth list and try pairing again.
No sound or intermittent sound. Check volume levels on both earhooks and device. Ensure earhooks are within Bluetooth range (up to 15m). Re-pair the earhooks. Ensure IEMs are properly connected to the 2-pin connectors.
One earhook has no sound. Ensure both earhooks are charged. Place both earhooks back in the charging case, close the lid, then reopen to re-establish connection between them.
Charging case not charging. Check the USB cable and power adapter. Ensure the charging port is clean and free of debris.
Sound delay in games. Ensure you are in Game Mode. Refer to section 5.2 for switching modes.

8. Specifications

Feature Detail
Model Name KZ AZ15
Wireless Communication Technology Bluetooth 5.2
Bluetooth Range Up to 15 Meters
Battery Life (Earhooks) Approx. 6 Hours (continuous playback)
Charging Case Battery Capacity 800mAh (approx. 9 recharges for earhooks)
Audio Latency (Game Mode) As low as 40 Milliseconds
Noise Control CVC Noise Reduction
Control Type Physical Button (One-Click Operation)
Earpiece Shape Ear Hook
Material Plastic
Water Resistance Level Waterproof
Product Dimensions 3.94 x 3.94 x 1.97 inches
Item Weight 6.7 ounces

9. Warranty and Support

Linsoul products are manufactured to high-quality standards. For warranty information and customer support, please refer to the warranty card included in your package or visit the official Linsoul website. If you experience any issues not covered in this manual, please contact Linsoul customer service for assistance.

© 2025 Linsoul. All rights reserved.

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