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Universal Fit for 95% of Ears
Find Your Perfect Fit – 3 Sizes Included
Every ear is unique, which is why each Kiwi Ears Flex set includes three precisely sized pairs (S/M/L) to ensure optimal comfort and performance for all users:
Small (S): Ideal for snug, discreet wear
Medium (M): Balanced fit for most ear shapes
Large (L): Maximum grip and noise isolation
Try all sizes to discover your ideal combination of comfort and acoustic seal. The right fit enhances bass response and prevents ear fatigue during extended listening sessions


1 Rebound Architecture
2 Bass Enhancement
3 Anti-Earwax Design

Kiwi Ears IEM Family
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Customer Reviews
4.3 out of 5 stars 76
4.5 out of 5 stars 193
4.2 out of 5 stars 1,306
4.4 out of 5 stars 56
4.0 out of 5 stars 555
4.5 out of 5 stars 198
4.0 out of 5 stars 39
Price
$32.29$32.29
$46.99$46.99
$35.00$35.00
$80.10$80.10
$109.00$109.00
$284.05$284.05
$314.10$314.10
Driver
10mm DLC Dynamic Driver
10mm Titanium Driver
10mm Beryllium Dynamic Driver
1DD+2Planar
2DD+2BA
1DD+6BA
10BA Drivers
Sensitivity
103dB (±1dB) @ 1kHz
106 dB (at 1 kHz / 1 mW)
110dBSPL/mW(1KHz)
104dB SPL/mW (1KHz)
110dB SPL/mW
105 dB
109 dB SPL/m
Impedance
32Ω (±1Ω)
18 Ω
32Ω (1KHz)
14 ohms(1KHz)
32 Ω
23 Ohm
19 Ohm
Frequency Range
20Hz-20kHz
10Hz-29kHz
20Hz-20KHz
20Hz-20KHz
20Hz-20KHz
20Hz-20kHz
20Hz-20kHz
Connector Type
0.78mm 2-pin
0.78mm 2-pin
0.78mm 2-pin
0.78mm 2-pin
0.78mm 2-pin
0.78mm 2-pin
0.78mm 2-pin
Headphones Jack
3.5mm/Type C
3.5mm
3.5mm
3.5mm
3.5mm
3.5mm/4.4mm
3.5mm/4.4mm
Detachable Cable
✔
✔
✔
✔
✔
✔
✔
Featured IEM Parts from Linsoul
Kiwi Ears AD1 DAC Adapter Cable
USB C to Aux IEM Dongle with KT02H20 Chip, High Res 32bit/384kHz, CTIA-Standard for iOS/Android/Windows Smartphones/Laptops
Kiwi Ears Allegro Mini Portable DAC/AMP
The sleek, all-aluminum alloy body design not only adds to its durability but also gives it a premium, minimalist aesthetic, perfect for those who want high-fidelity sound in a compact, stylish form
Kiwi Ears Sonicap Earbud Case
The case combines a crush-resistant ABS shell with shock-absorbing EVA foam interior. Its water and dust-proof design offers reliable protection, making it perfect for commuters and travelers.
Kiwi Ears Flex IEM Eartips
Anti-earwax structure ensures auditory passage remains unobstructed. This design not only augments clarity of your music but also preserves ear cleanliness, providing an uncompromised audio experience
Kiwi Ears Terras 2-in-1 IEM Cable
The Terras comes with both 3.5mm and 4.4mm audio plugs, making it perfect for audiophiles and music lovers seeking superior sound quality and long-lasting durability.
Tripowin Zonie 2-Meter IEM Earbuds Cable
Tripowin Zonie 2m cable comes with a 2-meter cable that provides users with a high-quality audio transmission solution for those who require longer distances or prefer not to use Bluetooth.
【𝐀𝐛𝐨𝐮𝐭 𝐊𝐢𝐰𝐢 𝐄𝐚𝐫𝐬】We are a small international group of engineers with a single goal of producing the best sounding audio solutions for musicians and audiophiles. We focus on developing the latest technological driver innovations with refined tuning strategies that reveal every nuance in your music and performance. Our small team of dedicated engineers handcraft each unit so that you can worry less about what’s in your ears and focus more on the sounds you are making. We’re bringing melodies that inspire.
【𝐈𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐯𝐞 𝐄𝐚𝐫𝐰𝐚𝐱 𝐏𝐫𝐨𝐭𝐞𝐜𝐭𝐢𝐨𝐧】The Kiwi Ears Flex ear tips are ingeniously engineered with an exclusive anti-earwax structure, ensuring the auditory passage remains unobstructed. This design not only augments the clarity of your music but also preserves ear cleanliness, providing an uncompromised audio experience.
【𝐑𝐞𝐬𝐢𝐥𝐢𝐞𝐧𝐜𝐞 𝐛𝐲 𝐃𝐞𝐬𝐢𝐠𝐧】Crafted with a distinct rebound architecture, the Flex ear tips are purposed to significantly alleviate pressure on the eardrum. This considerate structure promises not just a snug fit but also mitigates ear fatigue over extended listening sessions.
【𝐁𝐚𝐬𝐬 𝐄𝐧𝐡𝐚𝐧𝐜𝐞𝐦𝐞𝐧𝐭 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲】At the core of the Flex ear tips is an intricately designed interior chamber, tailored to amplify low-end frequencies. This augmentation delivers a robust bass experience, allowing for a full-bodied, enveloping sound.
【𝐌𝐞𝐝𝐢𝐜𝐚𝐥-𝐆𝐫𝐚𝐝𝐞 𝐒𝐢𝐥𝐢𝐜𝐨𝐧𝐞 𝐂𝐨𝐦𝐟𝐨𝐫𝐭】The Flex ear tips employ medical-grade silicone, which is not only safe and enduring but also hypoallergenic. This premium material ensures utmost comfort and is gentle for all ear types, even through long periods of use.
【𝐒𝐮𝐩𝐫𝐞𝐦𝐞 𝐂𝐨𝐦𝐟𝐨𝐫𝐭 𝐚𝐧𝐝 𝐈𝐬𝐨𝐥𝐚𝐭𝐢𝐨𝐧】Each set of Flex ear tips is designed to offer exceptional noise isolation, while the adaptive silicone conforms to your ears, reducing any unwanted pressure. This combination allows you to immerse fully in the music without distractions.
【𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐚𝐥 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐢𝐥𝐢𝐭𝐲】The Kiwi Ears Flex ear tips boast a versatile design that’s compatible with an extensive array of in-ear monitors (IEMs). This universality enables listeners to enhance their current audio equipment with ease, providing an instant upgrade to your listening journey.
Original price was: $51.29.$14.99Current price is: $14.99.