Rose Technics QT9-MK3 1DD + 4BA Hybrid In-Ear HiFi Headphones
SKU: 22255143640

Rose Technics QT9-MK3 1DD + 4BA Hybrid In-Ear HiFi Headphones

Sale price$126.45 Regular price$140.50
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

Rose Technics QT9-MK3 1DD + 4BA Hybrid In-Ear HiFi HeadphonesFeatures: >Five Driver Hybrid Setup. >Four High Performance Balanced Armature Drivers on Each Side. >One 10mm LCD Tesla Grade Dynamic Driver Unit. >Ergonomic Comfortable Design. >MMCX Connectors. >5N Singler Crystal Copper OCC Cable. >7000 Series Aviation Grade Aluminum Alloy Face Covers. > High precision 3D Printed Medical Grade Resin Material Ear Shells. >Crisp, Detailed, Natural Sound Presentation. Technical Specs: >Impedance: 18. >Sensitivity:

Features:-

>Five Driver Hybrid Setup.

>Four High-Performance Balanced Armature Drivers on Each Side.

>One 10mm LCD Tesla-Grade Dynamic Driver Unit.

>Ergonomic Comfortable Design.

>MMCX Connectors.

>5N Singler-Crystal Copper OCC Cable.

>7000 Series Aviation-Grade Aluminum Alloy Face Covers.

> High-precision 3D Printed Medical-Grade Resin Material Ear Shells.

>Crisp, Detailed, Natural Sound Presentation.

Technical Specs:-

>Impedance: 18Ω.

>Sensitivity: 104dB.

>Frequency Response Range: 20Hz-20kHz.

>Termination Plug: 3.5mm.

>Connector Type: MMCX.

>Weight: 30±5gm.

RoseTechnics QT9 MK3 brings you a flavourful sound with its five-driver hybrid setup on each side. We have an exceptionally solid bass response along with crystal clear vocals and nicely detailed instruments. RoseTechnics has equipped the QT9 MK3 with a high-performance dynamic driver along with four premium quality balanced armature drivers, they produce true high-resolution sound with exceptional clarity and details. Prepare to wake up your senses with the outstanding performance of the QT9 MK3!!

Third-Generation Dynamic Driver Unit:-

RoseTechnics has equipped the QT9 MK3 with its third-generation 10mm Tesla-Grade dynamic driver unit. The driver features a liquid crystal diaphragm with a high-strength magnetic circuit. It produces a strong, hard-hitting bass response which showcases exquisite details and a tight, controlled overall lower-end response.

Four High-Performance Balanced Armature Driver Units:-

RoseTechnics QT9 MK3 incorporates four high-performance BA drivers alongside the DD unit. These BA drivers work effortlessly to produce high-resolution vocals and instruments. They produce a rich, natural midrange performance and also provide a nicely extended treble response.

Professional Tuning Adjustments:-

RoseTechnics have optimized the acoustic structure to solve the harmonic distortion, phase difference, and other technical problems between the different types of drivers enclosed in the QT9 MK3. They have adjusted the tuning to deliver a rich, organic sound that will complement different genres of music with tight bass, smooth midrange, and detailed treble region.

Ergonomic & Exquisite:-

Wearing the QT9 Mk3 will be an amazing experience every single time. The pair features exquisitely crafted ergonomic ear shells. They are made using high-precision 3D printing technology. RoseTechnics has crafted the shell with medical-grade resin material attached with a 7000-series aluminium alloy face cover.

High-Purity Stock Cable:-

To get the best performance with the QT9 MK3, RoseTechnics bundles the set with a high-purity 5N OCC single-crystal copper cable. This cable has MMCX Connectors and 3.5mm termination plug. 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 22255143640

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Megan Thomas
Lowell, US
★★★★★ 5
Gear set!
Amazing kit lasts a long time and makes my skin so smooth and hydrated.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
J
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Julene R
Pawtucket, US
★★★★★ 5
good product
Effectiveness: This serum focuses on brightening, uneven tone, and early signs of aging using two stabilized forms of vitamin C plus supportive antioxidants. With consistent use, it can help improve overall radiance and reduce the look of dark spots gradually rather than delivering fast, dramatic fading. Texture & Application: Lightweight, silky, and smooth. It spreads easily and absorbs quickly without feeling greasy or heavy. The airless pump helps keep the formula stable and prevents oxidation, which is important for vitamin C products. Key Ingredients Performance: Vitamin C (two stabilized forms) supports brightness and antioxidant protection Kojic acid ester helps even skin tone over time Oryzanol (rice bran antioxidant) helps enhance brightening effects and supports skin defense Overall, it’s a gentler vitamin C approach compared to high-strength L-ascorbic acid serums, making it more suitable for sensitive or beginner users. Skin Feel / Finish: Leaves a soft, natural finish with no sticky residue. It layers well under moisturizer and sunscreen and doesn’t pill when used correctly. Suitable for daily AM or PM use. Durability of Results: Improvements are gradual—typically noticeable after several weeks of consistent use. Best results come with daily sunscreen use since vitamin C works synergistically with UV protection. Value: Very strong value for a budget-friendly serum. It delivers multiple brightening ingredients at a low price point, making it accessible for everyday skincare routines. Overall: A gentle, affordable vitamin C serum that prioritizes steady brightening, antioxidant support, and skin tone improvement over high-intensity results. Best for beginners, sensitive skin, or anyone wanting a simple daily glow-boosting step.
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Reviewed in the United States on May 13, 2026
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Verified Purchase
Luisana
Charlottesville, US
★★★★★ 5
Amazing Vitamin C at an Affordable Price!
This Vitamin C serum from Good Molecules is honestly one of the best I’ve tried! The texture feels so smooth and lightweight on the skin, it absorbs quickly and leaves my face feeling hydrated without being sticky. It’s super effective for fading acne scars and dark spots, and I always notice extra brightness and glow the next morning after using it. What makes it even better is how affordable it is compared to other Vitamin C serums—such great quality for the price! Plus, the bottle lasts a long time since just two pumps are enough for the entire face. Gentle scent, hydrating, effective, and budget-friendly… I couldn’t recommend it more
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Reviewed in the United States on October 3, 2025
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JJ
Lowell, US
★★★★★ 5
Fantastic Fragrance Free Vitamin C
Really nice Vitamin C product. It goes on nicely without any off putting scent. I tried this one after trying another Vitamin C serum my dermatologist recommended, but the consistency and smell of the other one makes this one a dream to use in comparison. Instead of a dropper, it is dispersed using a pump. The consistency is thin, but not watery. It does not leave my skin feeling sticky. I love not having it drip all over my face. Leaves a nice glow without being shiny. Time will tell how effective it is at fading brown spots, but as with the other Good Molecules products, this is a great product for a great price.
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Reviewed in the United States on May 9, 2026
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Heather Olson
Battle Creek, US
★★★★★ 5
Great buy and a have to try
This is a very nice vitamin C serum/cream. It spreads nicely, so you do need a lot. A little really does go a long way. I wash my face, apply serums, and then apply this on top before my moisturizer. It doesn't pill up at all for me. In fact, it layers really well. It's dry time is fairly quick, and it's a GREAT value for your money. It's also not oily at all. I've been using it for over a week now and I can tell my complexion is brighter and the one dark spots are s bit lighter. I'd say it's pretty effective.
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Reviewed in the United States on March 7, 2026

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