Description

The QKZ AK9 Pro is a professional in-ear earphone built with an 11mm enhanced dynamic driver and high-polymer composite PET diaphragm for clear detail, strong bass response, and a wide dynamic range, while its front/rear cavity pressure relief design helps create a more open and airy soundstage. It features a lightweight resin shell for long-wear comfort, low 20-ohm impedance with high sensitivity for easy pairing with phones, laptops, DAC/amps, and music players, plus a high-purity oxygen-free copper cable, detachable 2-pin design, HD in-line microphone, and Hi-Res Audio certification for a versatile listening experience suited to music, calls, gaming, and daily use.

PROFESSIONAL 11MM ENHANCED DYNAMIC DRIVER

The QKZ AK9 Pro features a proprietary 11mm enhanced dynamic driver with a high-polymer composite PET diaphragm engineered for high rigidity and minimal weight. The larger vibration area displaces more air, delivering lower harmonic distortion, wider dynamic range, and fuller mid-bass response. The precision-formed diaphragm suppresses breakup distortion, extending frequency response for natural highs, stable midrange imaging, and rapid transient response—faithfully reproducing every texture and detail in complex musical passages.

FRONT/REAR CAVITY BALANCED PRESSURE RELIEF TECHNOLOGY FOR AIRY SOUNDSTAGE

The AK9 Pro's dual-cavity architecture employs Front/Rear Cavity Balanced Pressure Relief Technology to equalize internal acoustic pressure, eliminating listener fatigue and ear discomfort during long sessions. The imported high-density resin lightweight cavity dampens external vibration and stabilizes internal sound wave reflections, creating a translucent, pressure-free soundstage. Its uniform material density and precision-molded structure work together to produce a spacious, open presentation that brings out depth and layering in every track.

HI-RES AUDIO GOLD LABEL CERTIFIED

Certified with the Japanese Hi-Res Audio Gold Label, the AK9 Pro meets the highest standards for high-resolution music reproduction. Its low 20-ohm impedance and high-sensitivity design make it effortlessly driveable from any source—smartphones, laptops, portable DAC/amps, or dedicated music players—without requiring extra amplification. Full sound pressure and complete dynamic performance are delivered consistently across all devices, bringing professional-grade audio quality to everyday listening without compromise.

4N SILVER-PLATED OFC BRAIDED CABLE

The AK9 Pro comes standard with a 4N (99.99% purity) oxygen-free copper cable with silver plating, combining the warmth and musicality of OFC in the mids and lows with enhanced high-frequency extension from the silver layer. The double-braided construction effectively suppresses electromagnetic interference and reduces microphonic noise during movement. This professional-grade cable ensures a low-loss, high-fidelity signal path from source to driver, preserving every nuance of your audio with minimal coloration or degradation.

ENHANCED 2-PIN DETACHABLE CABLE

The AK9 Pro uses a reinforced 2-pin detachable cable interface rated for 5,000 plug/unplug cycles, ensuring long-term connection reliability and stability. This modular design allows users to freely upgrade or swap cables to match different sources—balanced outputs, Bluetooth adapters, or specialty cables—without replacing the IEM itself. Whether you're optimizing for a portable player, professional audio interface, or desktop setup, the detachable system offers limitless customization for a personalized sound signature.

ERGONOMIC ASIAN-FIT DESIGN WITH HD MIC

Shaped using thousands of ear scan data points, the AK9 Pro's cavity contours closely match Asian ear canal geometry for a secure, fatigue-free fit across extended monitoring or listening sessions. The snug seal delivers approximately -26dB passive noise isolation, blocking ambient distractions for a focused listening environment. The built-in HD microphone with in-line remote supports one-button call answer/end, play/pause, and track navigation, making it equally capable for calls, online classes, and competitive gaming communication.
For Music
Next Track - Press twice
Previous Track - Press three times
Reject Call-Press and hold
For Calls:
Answer/End -Press once
Play/Pause - Press once

Specifications

Brand Name
QKZ
Model Name
AK9 PRO
Product Name
QKZ-AK9 PRO In-Ear Earphones
Color
Deep Shadow Black, Smoky White
Driver Configuration
11mm Large Aperture Dynamic Driver
Frequency Response Range
20Hz-20,000Hz
Sensitivity
105dB ±3dB
Impedance
200 ±15%
Cable Material
High-Purity Oxygen-Free Copper
Cable Length
120cm ±5cm
Connector Type
3.5mm
Wearing Style
In-Ear

Box Content

    What will you get
  • 1x QKZ AK9 PRO IEM
  • 1x OFC Cable

Warranty

6 MONTHS WARRANTY

Don't worry, QKZ- AK9 Pro 11mm Dynamic Driver In-Ear Monitor comes with a 6 Months warranty against manufacturing defects. We guarantee that every product on Concept Kart is genuine and backed by the Manufacturer's warranty.

Read more about Concept Kart's warranty policy.

Shipping Policy

FREE SHIPPING ON ALL ORDERS

At Concept Kart, we offer FREE standard shipping on all orders across India. Orders placed before 2 PM are usually dispatched on the same working day, while orders placed after 2 PM are dispatched on the next working day (excluding Sundays and public holidays) from our Delhi warehouse.

Delivery usually takes 1–2 business days in Delhi, the next working day in metro cities, and 2–7 business days in other locations after dispatch. We use trusted courier partners, including BlueDart and Delhivery, and share tracking details via email or WhatsApp. For prepaid orders, OTP verification is required at delivery for added security. Share the OTP only after receiving your package.

COD is available for orders between ₹1,500 and ₹10,000, with cash handling charges of ₹50 (up to 1 kg) and ₹100 (above 1 kg), displayed at checkout.

Delivery may be delayed due to festivals, extreme weather, floods, protests, or courier disruptions. Pre-orders follow the estimated timelines mentioned on their product pages.

For shipping or delivery assistance, contact customercare@conceptkart.com with your order number.