Kz Zsx Bluetooth Upgrades of 2025
Best Choice1
BawjogKZ Xtra Bluetooth 5.4 in-Ear True Wireless Noise Cancellation Earbuds 32H, 10mm Dynamic HiFi ANC Sound, APTX AAC DAC Earphone
Main highlights- Super Linear Dynamic Driver: The KZ XTRA wireless earphone is equipped with a 10mm dynamic driver, which can bring more stunning audio , while ensuring the clarity of the middle and high tone, so that the overall sound is excellent and balanced, suitable for all types of music playback,such as jazz, hip-hop, blues, rocks,country and etc. 3 sound modes are available for different needs, active noise cancellation(ANC) mode, game high performance mode, and transparency mode.
- PCBA Design and Layout: Due to the high integration of the Qualcomm 3091 chip, the PCBA design can be very compact, using an 8-layer PCB design, which is especially important for small devices such as true wireless headphones. The compact layout not only saves space, but also reduces the delay of signal transmission.
- Latest Bluetooth 5.4 Version: The KZ XTRA bluetooth earbuds support for the Bluetooth 5.4 version enables the QCC 3091 chip to improve the performance of this wireless headsets in several ways, resulting in more stable wireless connections and lower audio frequency latency. The reduced power consumption can significantly extend the battery life of KZ XTRA TWS earbuds, which can reduce the times for charging.
- Hybrid Noise Cancellation: The KZ XTRA uses advanced active noise cancellation (ANC) and CVC call noise cancellation technology. ANC, through its powerful DSP, can process and eliminate ambient noise in time, providing users with a quieter listening environment. Built-in CVC noise cancellation technology can effectively reduce environmental noise, especially during calls, to provide clearer sound transmission, improve the call clarity.
- Advanced Hardware Delivers Unparalleled Sound: The KZ XTRA true wireless headphones is equipped with the latest Qualcomm 3091 chip, which is an efficient audio processing chip with excellent digital signal processing (DSP) capabilities. It supports a variety of audio encoding formats, such as aptX Adaptive, aptX HD, SBC, DAC and AAC, enabling high-quality wireless audio transmission.
9.6Exceptional
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Value for Money2
CCACCA KZ AZ15 Bluetooth Adapter, Wireless Bluetooth 5.2 Earhook, Long Battery Life Bluetooth Cable for KZ ZS10 PRO X/ZSN Pro X/ZSN PRO/AS16 PRO/ZAS/Zax, CRA/C12(C pin)
Main highlights- [Qualcomm QCC3046 Chip - Stable, Accurate, and Fast Connection] - Experience the next generation of Bluetooth technology with the Qualcomm QCC3046 chip, which offers a smaller package size than its predecessor, the QCC3040. Enjoy high-speed transmission, low power consumption, and a stable signal, all while supporting APTX, AAC, and SBC mode transmission for enhanced sound quality and connection speed.
- [Long Battery Life and Comfortable Fit] - Designed for comfort and longevity, the KZ AZ15 Bluetooth ear hook is ergonomically crafted to fit closely to the auricle, ensuring stability and comfort during use. A full charge provides about 6 hours of playback, and the included charging case can recharge the earbuds approximately 9 times, offering a total battery life of up to 54 hours. The lightweight design makes these ear hooks easy to wear for extended periods without discomfort.
- [Free Switch Between Wired and Wireless] - KZ iem bluetooth adapter is specially designed for Earphones with 0.75mm /0.78mm pins, making the wired headphones become wireless headphones in seconds, and getting rid of the bondage of wire harness. It allows you to switch between wired and wireless according to the needs of different scenarios. It also ensures the sound quality of the original headphones. ( *This product is only for bluetooth upgrade earhook, without earphones.)
- [Dual Host Functionality and Wide Compatibility] - The KZ AZ15 supports dual hosts, allowing the left and right earbuds to be used separately or together, ensuring a versatile listening experience. The 3 transmission modes provide a stable connection with minimal delay. Additionally, the AZ15 is compatible with a wide range of earbud models, including KZ ZSN PRO, ZSN PRO X, ZS10 PRO, ZS10 PRO X, EDX PRO, AS16, AS16 PRO, ZAS, ZAX, PR2, ZEX PRO, AS24, DQS, CCA C12, CRA.
- [Bluetooth 5.2 Technology] - The KZ AZ15 leverages Bluetooth 5.2 technology, offering low delay, stable transmission, strong compatibility, high bit rate, and high cost-effectiveness. With this advanced Bluetooth chip, you can expect a reliable and high-quality audio experience. Upgrade your listening experience with the KZ AZ15 Bluetooth ear hook, featuring cutting-edge Qualcomm technology, versatile modes, and ergonomic design for unparalleled comfort and sound quality.
- [Advanced Noise Reduction Technology] - Featuring CVC technology, the KZ AZ15 effectively reduces noise, ensuring clear voice calls even in noisy environments. This noise reduction technology preserves more sound details, making voice calls feel as if you're talking face-to-face, providing an exceptional calling experience.
9.5Excellent
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3
CCACCA KZ AZ09 Bluetooth 5.2 Module IEM Adapter Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for KZ ZS10 PRO/ZSN Pro X/ZSN PRO/ZSX/AS12/AS16/ZAX CRA/C12(C pin)
9.1 audio quality9.1 Comfort8.9 Battery DurationWhy we love it
Free Wired/Wireless Easily switch between wired and wireless.
High Fidelity Sound Natural, clear sound quality.
Long Battery Life Up to 42 hrs music time.
9.4Excellent
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4
CCAKZ AZ09 PRO Bluetooth 5.2 Module IEM Bluetooth Adapter Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for KZ ZS10 PRO/ZSN Pro X/ZSN PRO/ZEX PRO/AS16/ZAX/DQ6 /CCA CA16 /C12/CRA(C pin)
Main highlights- [Long Battery Life] - Each earbud can get 7 hours playback from a single charge. 800mAh charging case supports 6 times of recharging for both earbuds, gives up to 42 hours continuous music time. Keep your music going all day even when you go out.
- [Lightness & One Key Operation] - the bluetooth hook weighs only 4.5g, which is light and has no pressure. Give you a small and light comfortable wearing experience. Each bluetooth earhook has one multi-functional press button which can receive calls,play or pause and switch music. Easy and simple operation.
- [High-Fidelity Sound] - KZ AZ09 PRO is fully upgraded with the latest Bluetooth 5.2 technology and stable Qualcomm QCC3040 chipset. The Bluetooth Module offers you an unparalleled audio experience with faster transmission speed, stronger connection stability. It also supports A-ptx/AAC/SBC decoding and fast lossless signal transmission.
- [Full power output mode/gaming mode] In full power output mode, the bass effect is better with higher output power. In gaming mode, sound latency is greatly reduced, leading to a more enjoyable gaming experience. Three clicks on left earbud to turn on/off full power output mode , Three clicks on right earbud to turn on/off game mode
- [Free Switch Between Wired and Wireless] - KZ AZ09 PRO Bluetooth module is specially designed for Earphones with 0.75mm /0.78mm pins, making the wired headphones become wireless headphones in seconds, and getting rid of the bondage of wire harness. It allows you to switch between wired and wireless according to the needs of different scenarios. It also ensures the sound quality of the original headphones. ( *This product is only for bluetooth upgrade earhook, without earphones.)
- Applicable to: KZ ZS10 PRO/ZSN Pro X/ZSN PRO/ZAS/ZSX/ZSN/AS12/AS16/ZAX/DQ6, CCA CA16/C12/CRA/NRA/CA16 PRO
9.2Excellent
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5
EZ EARKZ 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
Main highlights- 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!
- 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.
- 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.
- 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
9.0Excellent
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6
BawjogKZ AE01 Bluetooth 5.4 Module Upgrade EarHook for Earbuds 2Pins,Dual Microphones ENC Noise Reduction Wireless Earphone Adapter
Main highlights- Wireless Bluetooth Upgrade Version 5.4: The KZ AE01 wireless adapter adopting the latest Bluetooth 5.4 version, supports a data transfer rate of up to 48 Mbit/s. This not only improves transmission efficiency and ensures a more stable connection, but also significantly reduces power consumption and enhances compatibility.
- Three Performance Modes: KZ AE01 Bluetooth earhook for earbuds offers three modes: Gaming Mode, Standard Mode, and HiFi Mode. With a simple triple tap on the right earbud, you can switch between Gaming Mode and Standard Mode, ensuring a stable connection. A triple tap on the left earbud switches to Bass Boost Mode, enhancing bass performance for a truly immersive music.
- Low Power Consumption, Long-lasting Battery Life: With a full battery life of up to 20 hours, you can enjoy a hassle-free listening anytime, anywhere. The single battery life is about 6 hours, the total battery life is about 20 hours, and the battery capacity of the charging case is 400mAh.
- Ear Hook Ergonomic Design: The newly upgraded ear hook features an ergonomic design that conforms to the shape of the human ear, ensuring comfort even during a long wear.
- ENC Noise Reduction Technology To Enjoy HD Calls: Dual- Microphone ENC technology, through the detection of external noise by two different positions of the microphone, it can accurately calculate the location of the sound source of the caller, not only significantly reduce the echo interference in the call, but also effectively reduce various ambient noise.
8.8Very Good
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7
YINYOOYINYOO KZ AZ09 Bluetooth 5.2 Upgraded Cable, KZ ZS10 PRO Wireless Adapter C-pins for ZSN PRO/ZSN PRO-X/zs12 pro x/ZS10 PRO X/EDX PRO/ZAR/AS16 PRO/PR2/ZS10 PRO 2/DQS/C10/CRA cca (Cpins, Black)
Main highlights- 【Pure Sound Performance】Flagship-level pure sound and drive performance through solid materials and excellent shielding effect. Even if the earbdus with relatively high sensitivity can basically achieve zero background noise.
- 【Over 6 Hours of Batter Life Perfomance】kz az09 uses a high-density lithium battery with a rated capacity, which can store high-quality energy in a smaller size. With the low-power circuit design, it can be used for more than 6 hours, and be fully charged in one hour.
- 【Long-lasting Battery Life】kz az09 can achieve a longer battery life with limited battery capacity. supports ultra-low power consumption standby mode.
- 【Compatible with Mainstream Earbuds】KZ AZ09 provides Cpins Connection, which used for ZSN/ZSN PRO/ZSN PRO-X/ZS10 PRO/ZS10 PRO X/EDX PRO/AS16/AS16 PRO/PR2/ZEX PRO/AS12/AS24/DQS/C12/C10 /CRA
- 【Bluetooth 5.2】kz az09 adopts an excellent Bluetooth chip, It featured low delay, stable transmission, strong compatibility, high bit rate and high cost-effectiveness.
8.7Very Good
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8
CCAKZ ZSN PRO X + KZ AZ09 Bluetooth 5.2 Module, KZ Wireless in Ear Monitor with Mic
Main highlights- [Long Battery Life] - Each earbud can get 6 hours playback from a single charge. 800mAh charging case supports 7 times of recharging for both earbuds, gives up to 42 hours continuous music time. Keep your music going all day even when you go out.
- [Lightness & One Key Operation] - Each bluetooth earhook has one multi-functional press button which can receive calls,play or pause and switch music. Easy and simple operation.
- [High-Fidelity Sound] - Adopting bluetooth 5.2 technology, Bluetooth Module offers you an unparalleled audio experience with faster transmission speed, stronger connection stability. At the same time, AAC advanced audio coding transmission technology to greatly improve the quality of hearing and bring natural and clear sound.
- [Free Switch Between Wired and Wireless] - KZ Bluetooth module is specially designed for Earphones with 0.75mm /0.78mm pins, making the wired headphones become wireless headphones in seconds, and getting rid of the bondage of wire harness. It allows you to switch between wired and wireless according to the needs of different scenarios. It also ensures the sound quality of the original headphones.
- [Double Host & High-Performance Game Mode] - Eliminate the conventional single 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.
8.6Very Good
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9
KZKZ AZ09 Bluetooth 5.2 IPV5 Waterproof Noise Reduction Bluetooth Module Upgrade Cable Ear Hook for ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4(B pin)
Main highlights- Using RTL8753 Bluetooth 5.2 chip, transmission is more stable, high-performance mode. Compared with the 5.0 version of the chip, the power consumption is lower and it brings longer battery life. 2PIN pluggable design, 0.75mm gold-plated pin, the earphone can be turned into a wireless earphone in seconds, getting rid of the wire shackles.
- The earhook battery capacity is 50mA, the charging compartment battery capacity is 800mA, the earhook can be used for about 6 hours when it is fully charged, and the charging compartment can last 7 times. Small body, multiple core functions.
- TWS high-definition Bluetooth upgrade earhooks, support AAC audio encoding transmission, professional sound quality comes from the dual protection of chip blessing and AAC advanced encoding capabilities. Adopt AAC advanced audio coding transmission technology to greatly improve the quality of hearing and bring natural and clear sound.
- Ergonomic design. The structure is optimized according to the contour of the outer ear, and the design is ergonomic. Reduce weight and improve wearing comfort. High-purity oxygen-free copper silver-plated wire is used inside the earhook to ensure the lossless transmission of audio signals.
- Eliminate conventional single host, dual-channel transmission, lower latency, two earhooks can be connected to the same mobile phone at the same time, earhooks can be used individually. When you are ready to enter the game, press the button on the earhook three times to enter the high-performance game mode. The sound signal is transmitted faster.
8.5Good
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10
KZKZ AZ09Pro Bluetooth V5.2 aptX/TWS + Earbuds Hook with Mic Support/40 Hours Playback and APP Control for Standard 0.75/0.78mm 2PIN Connector (C PIN, Black)
9.9 audio quality9.7 Battery Duration9.7 ComfortWhy we love it
Qualcomm industry leading tech.
High def sound quality.
Apt X and AAC support.
8.4Good
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