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Benchmark of the class
Dual dynamic driver | hybrid design | HiFi earphone
- Seven-unit array balanced armature
- Liquid silicone coaxial dual dynamic driver
- Patented four crossway frequency distribution
- Changeable tuning nozzle
- CNC high-precision sound cavity
- Ergonomic fit
Metal acoustic cavity made of aviation-class aluminum
NS9 is made from a whole piece of 7 series aviation class aluminum, processed by imported five-axis CNC lathe, each cavity is made by a complicated process. from polishing, sandblasting, electroplating, oxidation to carving, etc., the whole process gives a more luxurious experience, just like a masterpiece of art.
30 kinds of knives
5-axis imported cnc
320,000 cutter precision milling
Knowles & Sonion balanced armature
Ultra-high frequency: Equipped with a E50DT balanced armature unit as high frequency and ultra high frequency, enhancing sound extension and making it more transparent and natural.
Upper Mids frequency: by Using Knowles RAF-32873, the balanced armature is with the tuning hole makes the upper mids frequency smoother, crispier and solid.
Mids frequency: Two FDK-60718 is a unit specifically customized for BGVP, it is a combination of the 30017 and 60318 unit, which can greatly increase the density of the vocals, reduce harmonic distortion, bringing you a more attractive vocal performance.
Liquid silicone material
Composite diaphragm coaxial dual dynamic driver A new balanced armature specifically developed for NS9, a new silicone material, bass dives deep and without muddiness , bringing you an immersive experience. Titanium-plated diaphragm Silicone diaphragm Customized high-performance N5 magnetic circuit CCAV voice coil Full metal shielded shell 10Hz-40kHz frequency response range.
The fourth generation of DLP 3D printing technology
NS9 adopts a new 3D printing frame structure, combined with our tuning experience and mature acoustic principles, compactly placed 9 units, three-channel sound tube with independent output, equipped with a customized acoustic damping specifically for NS9, effectively reducing harmonics and distortion rate, improving stability of the structure ensures the earphone has a complete high-fidelity sound quality.
Précised electronic four-crossway frequency distribution
NS9 contains an exquisite frequency divider circuit, eight high- precision Murata capacitors are constructed into an exquisite four-crossway frequency divider system, which guarantees three-frequency sounds balanced, high-density vocals, ear forgiving, better separation and clarity, a rich layer of sound is fully presented in your mind.
Craftsmanship
Never compromise on sound quality, changeable nozzle
NS9 has three different styles of music performance, you can change the nozzle anytime to fit your sound preference
Balanced sound, suitable for omnivores
High frequency suitable for lyricism, female poison, etc.
Low frequency suitable for pop, DJ, etc.
Over-the-ear fitting, ergonomic design
Similar to the design of a customized model, by gathering a large amount of ear print data, the NS9 fits perfectly in your ear, allowing you to enjoy the negative distance contact between your ears, you can therefore focus on music anytime, anywhere.
HiFi grade four-strand silver-plated braided cable
NS9 comes with a standard high purity 5N single crystal copper silver-plated upgraded cable, expandable MMCX design, which can effectively reduce distortion and signal transmission loss, restoring a more realistic sound.
Hi-Res high-quality audio certification is here
NS9 has granted the "Hi-Res Audio" certification by the Japan Audio Association. Bringing you a listening experience beyond the CD level.
Specifications
- Configuration: 2DD+7BA (Sonion+Knowels)
- Sensitivity: ≥107dB SPL/MW
- Impedance: 25 ohms
- Frequency response: 10Hz-40kHz
- Distortion Rate: < 0.5% (1kHz)
- Channel difference: <1dB (20-10kHz)
- Rated Power: 13mW
- Cable length: 1.2m+/-5%
Pairs well with

BGVP NS9 2DD+7BA Hybrid In-Ear Monitors (Open Box)
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FAQs
Please read our FAQs page to find out more.
What products does Audio67 offer?
Audio67 specializes in high-quality headsets and microphones for gaming, professional use, and casual listening.
Where can I purchase Audio67 products?
You can buy Audio67 headsets and microphones from our official website, authorized retailers, and select online marketplaces.
Are Audio67 headsets compatible with all devices?
Most of our headsets are compatible with PCs, gaming consoles (PS5, Xbox, etc.), mobile devices, and tablets. Check the product specifications for detailed compatibility.
Are Audio67 headsets wireless or wired?
We offer both wired and wireless headsets. Please check the product description for details on connectivity.