CCA AZ09 PRO Bluetooth 5.2 Earhook Adapter for IEMs

The CCA KZ AZ09 PRO is a Bluetooth 5.2 earhook module that converts compatible 0.75mm/0.78mm-pin in-ear monitors into wireless IEMs with extended battery life and low-latency modes.

Replace the cable on supported KZ and CCA earphones with this compact earhook adapter to enjoy wireless audio without changing your original earphones. The AZ09 PRO uses the Qualcomm QCC3040 chipset for stable connections and supports aptX/AAC/SBC codecs. Lightweight, splash-resistant, and designed for easy one-button control, it delivers up to 8 hours per earbud and up to 40 hours total using the included charging case.

How does the AZ09 PRO keep my original earphones’ sound quality?

The AZ09 PRO preserves your IEMs’ acoustic signature by using a direct pin connection and high-quality Bluetooth decoding. With support for aptX and AAC, it minimizes compression artifacts and keeps frequency balance close to the wired source.

• Direct 0.75mm/0.78mm pin socket maintains driver connection integrity.
• Qualcomm QCC3040 chipset for stable, efficient audio processing.
• aptX/AAC/SBC codec support for improved wireless fidelity.
• Full power output mode for stronger bass and higher output when needed.

What battery life and charging should I expect during daily use?

Each earhook runs about 8 hours on a single charge, while the 400mAh charging case provides approximately four full recharges, giving up to 40 hours of combined playback. Charging is straightforward and the case extends listening time without adding heavy bulk.

• 8 hours playback per earhook on average.
• Charging case holds 400mAh and recharges earbuds up to four times.
• Up to 40 hours total music time with case.
• Small, pocketable case to carry extra charge on the go.

Can I use the AZ09 PRO for gaming and phone calls?

Yes — the AZ09 PRO includes a low-latency gaming mode to reduce audio delay, plus a built-in microphone and one-button controls for call handling. Toggle modes with multi-clicks to suit gaming or full-power listening scenarios without digging through an app.

• Three-click toggle for game mode to lower latency.
• Three-click toggle for full power output to boost bass and volume.
• Integrated microphone for hands-free calls.
• Single multi-function button on each earhook for playback and call control.

Which earphones are compatible with this Bluetooth module?

The AZ09 PRO is made for earphones that use 0.75mm or 0.78mm removable pins. It’s compatible with many KZ and CCA models, allowing you to convert popular wired IEMs into Bluetooth units quickly.

• Compatible models include KZ ZS10 PRO, ZSN Pro X, ZEX PRO, AS16 PRO, and others.
• Also fits CCA models like C12, CRA Pro, Polaris, Hydro and more.
• Note: this listing is for the Bluetooth earhook module only; earphones are not included.

Who is this for: The CCA KZ AZ09 PRO is ideal for listeners who own compatible KZ or CCA IEMs and want the convenience of wireless listening without replacing their favored earphones. It suits commuters, casual gamers, and anyone seeking longer battery life and codec flexibility while keeping the original earphone sound. If you need waterproofing, light weight, and simple button controls while preserving your IEMs’ performance, the AZ09 PRO is a practical upgrade.