Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone
Original price was: ৳12,500.00.৳12,199.00Current price is: ৳12,199.00.
You can buy the Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone at the best price in Bangladesh from Extreme Gadgets
Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone
• Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone is a premium hybrid in-ear monitor engineered to deliver warm, lush, and highly musical sound performance through a sophisticated multi-driver acoustic architecture. Featuring dual dynamic drivers, dual balanced armature drivers, replaceable tuning nozzles, modular plug support, and precision CNC-machined aluminum housing, the Quatio combines audiophile-grade tuning flexibility with durable premium construction. Designed for music enthusiasts, gamers, and professional listeners, the Quatio delivers deep bass, rich mids, detailed treble, and a spacious soundstage with customizable sound signatures for different listening preferences.
• 2DD + 2BA Hybrid Driver Configuration combines dual dynamic drivers and dual balanced armature drivers for balanced full-range sound reproduction.
• 10mm DLC Dynamic Driver handles the primary full-range frequencies with high resolution, excellent detail retrieval, and smooth tonal transition.
• 8mm PU + LCP Dynamic Driver enhances bass depth, impact, and low-frequency richness for a fuller listening experience.
• Dual Balanced Armature Drivers reproduce high frequencies above 5kHz with improved extension, detail, and soundstage performance.
• Triple Acoustic Tube Design separates frequency delivery paths for more precise sound control and cleaner audio presentation.
• Accurate Electronic & Physical Frequency Division improves coherence between bass, mids, and treble for a natural sound signature.
• Warm, Lush & Musical Tuning delivers powerful bass, rich mids, and smooth non-fatiguing treble suitable for long listening sessions.
• Three Interchangeable Tuning Nozzles allow users to customize the sound signature according to personal listening preferences.
• Silver Tuning Nozzles provide balanced sound tuning with versatile performance across music genres.
• Gold Tuning Nozzles enhance transparency, treble detail, and overall clarity.
• Black Tuning Nozzles deliver warmer sound with fuller bass response and smooth tonality.
• Precision Five-Axis CNC Machined Aluminum Housing ensures accurate cavity structure for consistent sound performance and premium durability.
• Ultra-Thin 0.06mm Metal Housing Design minimizes shell size while improving long-term comfort and ergonomic fit.
• Modular Plug System includes interchangeable 3.5mm single-ended and 4.4mm balanced plugs for wide device compatibility.
• 392-Core Silver-Plated OFC Cable provides low-loss signal transmission with improved sound fullness, clarity, and treble extension.
• 0.78mm 2-Pin Detachable Cable Design supports cable replacement, upgrades, and long-term durability.
• 13 Pairs of Ear Tips Included offer multiple fitting styles and sound variations for personalized comfort and audio tuning.
Specifications
Product Name:
Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone
Brand:
• Kefine
Model:
• Quatio
Product Type:
• Hybrid HiFi In-Ear Monitor (IEM)
Driver Configuration:
• 2 Dynamic Drivers + 2 Balanced Armature Drivers per side
Dynamic Driver Details:
• 10mm DLC diaphragm dynamic driver
• 8mm PU + LCP diaphragm dynamic driver
Balanced Armature Drivers:
• Dual BA drivers for high-frequency reproduction
Frequency Response Range:
• 20Hz – 20kHz
Sensitivity:
• 107dB ±3dB
Impedance:
• 32Ω
Cable Length:
• 1.2m
Connector Type:
• 0.78mm 2-pin detachable cable
Plug Options:
• 3.5mm single-ended
• 4.4mm balanced
Cable Material:
• High-purity silver-plated oxygen-free copper (OFC)
Cable Structure:
• 4-strand braided cable
• 392-core wire configuration (98×4)
Housing Material:
• Aviation-grade aluminum alloy
Manufacturing Process:
• Five-axis CNC machining
• Polished and anodized finish
Housing Thickness:
• 0.06mm
Sound Signature:
• Warm and lush mids
• Deep powerful bass
• Smooth detailed treble
• Wide soundstage
Tuning Nozzles:
• Silver: Balanced sound
• Gold: Transparent sound
• Black: Warm sound
Features:
• Replaceable tuning nozzles
• Modular plug system
• Detachable cable
• Premium acoustic tuning
• Ergonomic lightweight design
Package Contents
• Kefine Quatio Earphones ×1
• 392-Core Silver-Plated OFC Cable ×1
• 3.5mm Plug ×1
• 4.4mm Plug ×1
• Silver Tuning Nozzles ×1 Pair
• Gold Tuning Nozzles ×1 Pair
• Black Tuning Nozzles ×1 Pair
• Silicone Ear Tips ×13 Pairs
• Storage Cases ×2
Q&A
Q1: What driver configuration does the Kefine Quatio use?
• It features a hybrid configuration with 2 dynamic drivers and 2 balanced armature drivers per side.
Q2: What is the role of the 10mm dynamic driver?
• The 10mm DLC driver handles the main full-range frequencies with high detail and resolution.
Q3: What does the 8mm dynamic driver improve?
• The 8mm PU+LCP driver enhances bass depth, impact, and low-frequency richness.
Q4: What are the tuning nozzle options?
• Silver nozzles provide balanced tuning, gold nozzles improve transparency, and black nozzles deliver warmer sound.
Q5: Does the Quatio support balanced audio output?
• Yes, it includes both 3.5mm single-ended and 4.4mm balanced interchangeable plugs.
Q6: What material is used for the housing?
• The housing is made from precision CNC-machined aviation-grade aluminum alloy.
Q7: Is the cable detachable?
• Yes, it uses a detachable 0.78mm 2-pin cable system.
Q8: What type of cable is included?
• A 392-core silver-plated oxygen-free copper braided cable is included.
Q9: Is the Kefine Quatio comfortable for long listening sessions?
• Yes, the ultra-thin lightweight shell design provides excellent comfort and ergonomic fit.
Q10: How many ear tips are included in the package?
• The package includes 13 pairs of ear tips in different shapes and sizes.
Rest assured, Extreme Gadgets will provide 100% authentic products with guaranteed sealed-pack delivery across Bangladesh.
Whats’s the price of Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone in Bangladesh?
Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone price in BD is 12500 BDT
We will call you to confirm your order (between 11 AM – 7 PM). Kindly answer the call. If we are unable to reach you, please send us a message through our official Facebook page inbox.
Delivery Time
Inside Dhaka Home Delivery: 24-48 hours
Outside Dhaka Delivery: 24-72 hours
Delivery time depends on the courier service—usually 1–2 days inside or outside Dhaka. We use Sundarban, Pathao, eCourier, etc. Delays may occur due to courier issues.
Order processing and delivery time may be delayed due to stock issues, promotional offers, sale periods or other management issues.
Order Confirmation Payment Required
An advance payment of 100–200 BDT or more is required for order confirmation, depending on the product type and order amount.
Delivery Charge Details
Inside Dhaka: 60 Tk Only
Outside Dhaka: 120 Tk – If the product price exceeds 2000 BDT, an additional 10 BDT or 1% COD charge will be added for every 1000 BDT (as per courier policy).
Example: For a 3000 BDT product price, the delivery charge becomes 120+10=130 BDT, making the total 3130 BDT.
If you choose full prepayment, the 1% COD charge will be waived. Accepted payment methods: Bank Transfer, bKash, other Mobile Financial Services (MFS), Credit Card or EMI
Full Pre-payment / Partial Payment might required Outside Dhaka Courier, We’ll call you for further process & pre- payment details.
Full pre payment required for some specific or offer product, we’ll call you for details.
Note: For areas outside Dhaka City metro, including places like Savar, Tongi, Keraniganj, Demra, and similar locations, a 1% COD charge is applicable due to the courier company’s policy.Delivery charges may be higher than usual depending on the product’s size, weight, and quantity (e.g., fans, air purifiers, Home appliances & large items, it depends on courier policies.
Fragile items may incur additional handling charges. We ensure all products are packed securely and delivered in excellent condition.
Important Usage Instructions
Always charge your device using a 5W/10W max or 5V:1A power adapter (recommended).
Warranty & Authenticity
We provide official dealer/distributor warranties only.
You can verify product authenticity by checking the distributor’s /dealers warranty sticker. This reflects our commitment to transparency and honesty.
Disclaimer:
1. For certain specific products, full prepayment is compulsory. Details will be provided during confirmation.
2. Backorder means the item is currently out of stock, but you can still place an order. It will be delivered once it becomes available again.
We reserve the right to cancel any order at any time, even after confirmation or advance payment. This is because issues can occasionally arise from the supply chain, delivery hubs, or dealer points. In such cases, you will, of course, receive a refund. Learn more from our Return & Refund Policy.
3. Charges are subject to change at any time or during promotional periods. If not updated on the website, we will inform you directly by phone.
4. Before placing an order, please verify the product’s color, stock, and current price via our Facebook Messenger. For every order, we will also call and reconfirm the details. Prices and stock are subject to change at any time due to updates from the dealer or distributor, and actual stock/price may change if central stock runs out. Since there are thousands of products on our website, it’s not always possible to update stock status or prices immediately, and occasional errors may occur.
5. Before making full payment, please confirm the product’s actual stock by contacting us via text or call.
6. After receiving the parcel from delivery man, Before opening the box of the product, must make an unboxing video from the complete packaging condition for any type of service & warranty. Customers must send a clear video & photo of the damaged, defective, or wrong product along with the shipping packaging for accurate verification under good lighting conditions.
Read more from Return & refund policy.
7. For a few days, the product must remain in its original condition—complete, fresh, and without any scratches—to qualify for a replacement, warranty, or refund. This ensures we can resolve any issues promptly and fairly. Thank you for your cooperation.
8. If you find any manufacturing problem issue after receiving, we’ll replace it instantly, must inform us within 24 hours after receiving the product for warranty service
Do not make any scratches; the product must be 100% fresh.
► Keep the small sticker on the device and product box intact. If the sticker is removed or scratched, you will not receive any service. You may remove the sticker later if you wish, but for long-term warranty purposes, please keep the box, all accessories, and stickers as they are.
Please read our complete Warranty Policy and Terms & Conditions before making a purchase.
For any assistance, please contact us through our official Facebook page inbox.
9. We sell only 100% authentic products sourced from verified importers.
Smart tools, smart gadgets, home appliances, smart gadgets are CN Region items. These are imported from China. Most of our items are also sold internationally.Please review product details and customer feedback before purchasing on your own.
10. No returns or refunds for personal preferences. Once opened, products are non-returnable unless there’s a manufacturing defect. In that case, a replacement is offered within 24 hours. We sell based on demand and do not provide servicing.
Note: Product information may change; actual packaging may differ. Always read the manual, labels, warnings, and directions before use. For details, contact the manufacturer. Any medical-related gadget is not a substitute for professional medical equipment. Do not use for self-diagnosis or treatment. Contact your healthcare provider if you have a medical issue. Extreme Gadgets is not liable for product inaccuracies or any health issues. We are not liable for any malfunction of the gadget or any harm caused to health.
Thank you for choosing Extreme Gadgets.
Your satisfaction is our priority.
Stay connected, stay extreme!
Only logged in customers who have purchased this product may leave a review.
You can buy the Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone at the best price in Bangladesh from Extreme Gadgets
Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone
• Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone is a premium hybrid in-ear monitor engineered to deliver warm, lush, and highly musical sound performance through a sophisticated multi-driver acoustic architecture. Featuring dual dynamic drivers, dual balanced armature drivers, replaceable tuning nozzles, modular plug support, and precision CNC-machined aluminum housing, the Quatio combines audiophile-grade tuning flexibility with durable premium construction. Designed for music enthusiasts, gamers, and professional listeners, the Quatio delivers deep bass, rich mids, detailed treble, and a spacious soundstage with customizable sound signatures for different listening preferences.
• 2DD + 2BA Hybrid Driver Configuration combines dual dynamic drivers and dual balanced armature drivers for balanced full-range sound reproduction.
• 10mm DLC Dynamic Driver handles the primary full-range frequencies with high resolution, excellent detail retrieval, and smooth tonal transition.
• 8mm PU + LCP Dynamic Driver enhances bass depth, impact, and low-frequency richness for a fuller listening experience.
• Dual Balanced Armature Drivers reproduce high frequencies above 5kHz with improved extension, detail, and soundstage performance.
• Triple Acoustic Tube Design separates frequency delivery paths for more precise sound control and cleaner audio presentation.
• Accurate Electronic & Physical Frequency Division improves coherence between bass, mids, and treble for a natural sound signature.
• Warm, Lush & Musical Tuning delivers powerful bass, rich mids, and smooth non-fatiguing treble suitable for long listening sessions.
• Three Interchangeable Tuning Nozzles allow users to customize the sound signature according to personal listening preferences.
• Silver Tuning Nozzles provide balanced sound tuning with versatile performance across music genres.
• Gold Tuning Nozzles enhance transparency, treble detail, and overall clarity.
• Black Tuning Nozzles deliver warmer sound with fuller bass response and smooth tonality.
• Precision Five-Axis CNC Machined Aluminum Housing ensures accurate cavity structure for consistent sound performance and premium durability.
• Ultra-Thin 0.06mm Metal Housing Design minimizes shell size while improving long-term comfort and ergonomic fit.
• Modular Plug System includes interchangeable 3.5mm single-ended and 4.4mm balanced plugs for wide device compatibility.
• 392-Core Silver-Plated OFC Cable provides low-loss signal transmission with improved sound fullness, clarity, and treble extension.
• 0.78mm 2-Pin Detachable Cable Design supports cable replacement, upgrades, and long-term durability.
• 13 Pairs of Ear Tips Included offer multiple fitting styles and sound variations for personalized comfort and audio tuning.
Specifications
Product Name:
Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone
Brand:
• Kefine
Model:
• Quatio
Product Type:
• Hybrid HiFi In-Ear Monitor (IEM)
Driver Configuration:
• 2 Dynamic Drivers + 2 Balanced Armature Drivers per side
Dynamic Driver Details:
• 10mm DLC diaphragm dynamic driver
• 8mm PU + LCP diaphragm dynamic driver
Balanced Armature Drivers:
• Dual BA drivers for high-frequency reproduction
Frequency Response Range:
• 20Hz – 20kHz
Sensitivity:
• 107dB ±3dB
Impedance:
• 32Ω
Cable Length:
• 1.2m
Connector Type:
• 0.78mm 2-pin detachable cable
Plug Options:
• 3.5mm single-ended
• 4.4mm balanced
Cable Material:
• High-purity silver-plated oxygen-free copper (OFC)
Cable Structure:
• 4-strand braided cable
• 392-core wire configuration (98×4)
Housing Material:
• Aviation-grade aluminum alloy
Manufacturing Process:
• Five-axis CNC machining
• Polished and anodized finish
Housing Thickness:
• 0.06mm
Sound Signature:
• Warm and lush mids
• Deep powerful bass
• Smooth detailed treble
• Wide soundstage
Tuning Nozzles:
• Silver: Balanced sound
• Gold: Transparent sound
• Black: Warm sound
Features:
• Replaceable tuning nozzles
• Modular plug system
• Detachable cable
• Premium acoustic tuning
• Ergonomic lightweight design
Package Contents
• Kefine Quatio Earphones ×1
• 392-Core Silver-Plated OFC Cable ×1
• 3.5mm Plug ×1
• 4.4mm Plug ×1
• Silver Tuning Nozzles ×1 Pair
• Gold Tuning Nozzles ×1 Pair
• Black Tuning Nozzles ×1 Pair
• Silicone Ear Tips ×13 Pairs
• Storage Cases ×2
Q&A
Q1: What driver configuration does the Kefine Quatio use?
• It features a hybrid configuration with 2 dynamic drivers and 2 balanced armature drivers per side.
Q2: What is the role of the 10mm dynamic driver?
• The 10mm DLC driver handles the main full-range frequencies with high detail and resolution.
Q3: What does the 8mm dynamic driver improve?
• The 8mm PU+LCP driver enhances bass depth, impact, and low-frequency richness.
Q4: What are the tuning nozzle options?
• Silver nozzles provide balanced tuning, gold nozzles improve transparency, and black nozzles deliver warmer sound.
Q5: Does the Quatio support balanced audio output?
• Yes, it includes both 3.5mm single-ended and 4.4mm balanced interchangeable plugs.
Q6: What material is used for the housing?
• The housing is made from precision CNC-machined aviation-grade aluminum alloy.
Q7: Is the cable detachable?
• Yes, it uses a detachable 0.78mm 2-pin cable system.
Q8: What type of cable is included?
• A 392-core silver-plated oxygen-free copper braided cable is included.
Q9: Is the Kefine Quatio comfortable for long listening sessions?
• Yes, the ultra-thin lightweight shell design provides excellent comfort and ergonomic fit.
Q10: How many ear tips are included in the package?
• The package includes 13 pairs of ear tips in different shapes and sizes.
Rest assured, Extreme Gadgets will provide 100% authentic products with guaranteed sealed-pack delivery across Bangladesh.
Whats’s the price of Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone in Bangladesh?
Kefine Quatio 2DD + 2BA Hybrid HiFi Earphone price in BD is 12500 BDT
We will call you to confirm your order (between 11 AM – 7 PM). Kindly answer the call. If we are unable to reach you, please send us a message through our official Facebook page inbox.
Delivery Time
Inside Dhaka Home Delivery: 24-48 hours
Outside Dhaka Delivery: 24-72 hours
Delivery time depends on the courier service—usually 1–2 days inside or outside Dhaka. We use Sundarban, Pathao, eCourier, etc. Delays may occur due to courier issues.
Order processing and delivery time may be delayed due to stock issues, promotional offers, sale periods or other management issues.
Order Confirmation Payment Required
An advance payment of 100–200 BDT or more is required for order confirmation, depending on the product type and order amount.
Delivery Charge Details
Inside Dhaka: 60 Tk Only
Outside Dhaka: 120 Tk – If the product price exceeds 2000 BDT, an additional 10 BDT or 1% COD charge will be added for every 1000 BDT (as per courier policy).
Example: For a 3000 BDT product price, the delivery charge becomes 120+10=130 BDT, making the total 3130 BDT.
If you choose full prepayment, the 1% COD charge will be waived. Accepted payment methods: Bank Transfer, bKash, other Mobile Financial Services (MFS), Credit Card or EMI
Full Pre-payment / Partial Payment might required Outside Dhaka Courier, We’ll call you for further process & pre- payment details.
Full pre payment required for some specific or offer product, we’ll call you for details.
Note: For areas outside Dhaka City metro, including places like Savar, Tongi, Keraniganj, Demra, and similar locations, a 1% COD charge is applicable due to the courier company’s policy.Delivery charges may be higher than usual depending on the product’s size, weight, and quantity (e.g., fans, air purifiers, Home appliances & large items, it depends on courier policies.
Fragile items may incur additional handling charges. We ensure all products are packed securely and delivered in excellent condition.
Important Usage Instructions
Always charge your device using a 5W/10W max or 5V:1A power adapter (recommended).
Warranty & Authenticity
We provide official dealer/distributor warranties only.
You can verify product authenticity by checking the distributor’s /dealers warranty sticker. This reflects our commitment to transparency and honesty.
Disclaimer:
1. For certain specific products, full prepayment is compulsory. Details will be provided during confirmation.
2. Backorder means the item is currently out of stock, but you can still place an order. It will be delivered once it becomes available again.
We reserve the right to cancel any order at any time, even after confirmation or advance payment. This is because issues can occasionally arise from the supply chain, delivery hubs, or dealer points. In such cases, you will, of course, receive a refund. Learn more from our Return & Refund Policy.
3. Charges are subject to change at any time or during promotional periods. If not updated on the website, we will inform you directly by phone.
4. Before placing an order, please verify the product’s color, stock, and current price via our Facebook Messenger. For every order, we will also call and reconfirm the details. Prices and stock are subject to change at any time due to updates from the dealer or distributor, and actual stock/price may change if central stock runs out. Since there are thousands of products on our website, it’s not always possible to update stock status or prices immediately, and occasional errors may occur.
5. Before making full payment, please confirm the product’s actual stock by contacting us via text or call.
6. After receiving the parcel from delivery man, Before opening the box of the product, must make an unboxing video from the complete packaging condition for any type of service & warranty. Customers must send a clear video & photo of the damaged, defective, or wrong product along with the shipping packaging for accurate verification under good lighting conditions.
Read more from Return & refund policy.
7. For a few days, the product must remain in its original condition—complete, fresh, and without any scratches—to qualify for a replacement, warranty, or refund. This ensures we can resolve any issues promptly and fairly. Thank you for your cooperation.
8. If you find any manufacturing problem issue after receiving, we’ll replace it instantly, must inform us within 24 hours after receiving the product for warranty service
Do not make any scratches; the product must be 100% fresh.
► Keep the small sticker on the device and product box intact. If the sticker is removed or scratched, you will not receive any service. You may remove the sticker later if you wish, but for long-term warranty purposes, please keep the box, all accessories, and stickers as they are.
Please read our complete Warranty Policy and Terms & Conditions before making a purchase.
For any assistance, please contact us through our official Facebook page inbox.
9. We sell only 100% authentic products sourced from verified importers.
Smart tools, smart gadgets, home appliances, smart gadgets are CN Region items. These are imported from China. Most of our items are also sold internationally.Please review product details and customer feedback before purchasing on your own.
10. No returns or refunds for personal preferences. Once opened, products are non-returnable unless there’s a manufacturing defect. In that case, a replacement is offered within 24 hours. We sell based on demand and do not provide servicing.
Note: Product information may change; actual packaging may differ. Always read the manual, labels, warnings, and directions before use. For details, contact the manufacturer. Any medical-related gadget is not a substitute for professional medical equipment. Do not use for self-diagnosis or treatment. Contact your healthcare provider if you have a medical issue. Extreme Gadgets is not liable for product inaccuracies or any health issues. We are not liable for any malfunction of the gadget or any harm caused to health.
Thank you for choosing Extreme Gadgets.
Your satisfaction is our priority.
Stay connected, stay extreme!
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