Description
Sony IER-Z1R Signature Series In-ear Headphones: Elevating Your Sonic Experience
Crafting Sonic Perfection
Originally designed to evoke a profound emotional connection, the IER-Z1R In-Ear Headphones redefine audio excellence. Every meticulous detail, from driver construction to acoustic design, is dedicated to delivering an unparalleled auditory journey.
Harmony in Design
The drivers of the IER-Z1R are not just components; they are a symphony in perfect unison. Painstakingly designed, each driver contributes to a consistent sound signature, resonating as if operated by a singular, flawless driver.
Unrivalled Frequency Response
With a frequency response extending up to 100kHz, the IER-Z1R introduces a super tweeter featuring an aluminium-coated LCP diaphragm. This innovation ensures an ultra-fast response, faithfully capturing the dynamic transience of music and recreating a live concert hall atmosphere.
Dynamic Diaphragm, Deep Bass
Inheriting the diaphragm structure of the MDR-Z1R, the 12mm dynamic driver boasts a magnesium dome and aluminum-coated LCP. This full-range driver delivers not just deep bass but also fine mid-high sound, providing a rich and immersive audio experience.
High-Definition Reproduction
The newly developed Balanced Armature driver, equipped with a magnesium diaphragm, silver-coated copper voice coil, and gold-plated terminals, reproduces high-definition sound, capturing even the smallest fading notes with precision.
Precision Engineering, Distortion-Free Capacitors
The dedicated film capacitors on the network, derived from thousands of listening tests, ensure lower distortion. Utilizing audio-grade solder throughout, the IER-Z1R maintains maximum signal transparency for an authentic listening experience.
Natural Acoustics
Drawing on vast engineering experience, the IER-Z1R's finely-tuned acoustic structure guides audio from its trio of driver units seamlessly, creating a natural sound that feels as if it emanates from a single, ideal driver.
Refined-Phase Structure
The Refined-Phase structure aligns sound waves through precision adjustments, eliminating vibration and unwanted resonance. This construction ensures perfect clarity and liveliness across musical genres, maintaining time coherence and wide frequency response.
Immersive Sound Space Control
Employing Sound Space Control technology, an acoustic tube connects to the cavity behind the driver unit, presenting a wide sound space with rich and natural notes, achieving balanced sound from low to high frequencies.
Preserving Purity in Signal Transmission
The quality cable supplied with the IER-Z1R preserves signal purity, enhancing sound quality, wearing comfort, and minimizing touch noise. It's designed for an immersive musical experience on the go.
Crafted for Audiophiles
The IER-Z1R supports a 4.4mm standard balanced connection, minimizing cross-talk and sound deterioration. With a silk insulator, non-magnetic plating, and silver-coated oxygen-free copper cable, every detail contributes to a pristine audio experience.
Japanese Precision and Quality
Expertly crafted in Japan, the IER-Z1R headphones embody Sony's commitment to absolute quality and performance. Using only the finest components and manufacturing techniques, these headphones deliver an exceptional sound quality that stands as a testament to Japanese craftsmanship.
HEADPHONE TYPE: In-ear, Closed, Hybrid
DRIVER UNIT: Hybrid (2DD + 1 BA Drivers)
IMPEDANCE (OHM): 40ohms (1kHz)
FREQUENCY RESPONSE: 3Hz-100,000Hz
SENSITIVITIES (DB/MW): 103dB / mW
CORD TYPE: Detachable Y type
CORD LENGTH: Approx. 1.2 m (48 in) , silver-coated OFC strands
PLUG: L-shaped non-magnetic gold-plated stereo mini plug / L-shaped non-magnetic gold-plated balanced standard plug
WEIGHT: Approx. 26 g without cable
In The Box
Sony IER-Z1R Signature Series In-Ear Headphones
Clip
Carrying Case
Cleaning Cloth
47 1/4" Balanced-Connection Headphone Cable
47 1/4" Standard-Connection Headphone Cable
7 x Pairs of Hybrid Earbuds (SS/S/MS/M/ML/L/LL)
6 x Pairs of Triple Comfort Earbuds (SS/S/MS/M/ML/L)
Limited 1-Year Manufacturer Warranty
Warranty Period: 1 Year from the date of Invoice
Covered: Manufacturing Defects Only
Nearest Service Center: https://locator.sony/?locale=en_IN&profile=consumer%2Fcustomer_support%2Fap&zoom=6&latitude=23.483401&longitude=79.804688
Website: https://www.sony.co.in/microsite/warranty-repair/
Contact No: 1800 103 7799
Sony is a world-renowned brand that delivers high-quality audio products. They offer a range of ANC wireless headphones and true wireless earbuds with cutting-edge technology that promises an immersive audio experience. Sony's Hi-Res Digital audio player provides audiophiles with high-resolution audio on the go. They also offer earphones with superior sound quality and a comfortable fit for extended listening.
Outstanding performance and quality, exceeded expectations
Sony IER Z1 IEM, my eyes on this IEM since 2018 year. If I am telling review word is very small for my favourite Sony.
Since last 10 days when I was it recieved I can't leave without this. I am telling all audiophile folks this is absolutely ginius IEM. Unboxing experience is totally mesmerizing. Come to sound , when I was first time heard this IEM I gone to my olden days means I am hearing like Sony old cassette tape player. In my ear whole instrument like lively feeling always. Never missed any single instrument. Bass is ultimately marvelous fantastic. I am stock cable and stock ear tips. Folks this is my end game. Thanks for Pritam ji TAS for advised me my end game IEM.
My combo is Sony xperia 1 2 mobile+ Cayin ru7 + Sony IER Z1 IEM. This combo is fantastic combo
Sony made this is unbelievable IEM. Thanks for my favourite Sony.
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TRUSTED BY OVER 45K+ MUSIC ENTHUSIASTS
Let customers speak for us
from 6045 reviews
It's warm/bassy sound is what I like the most. The emphasis is more on sub bass but also not in ur face. Mid bass also sounds clean without being shouty. Treble is really smooth with slight sparkle which is great if ur treble sensitive. I can listen to these for hours at work without being distracted or fatigue. Good fit and build quality. Any genre sounds good on this iem.

As redditors said its good. But might be boring at initial iem try. App has lot of EQs to tweak and play

I would like to thank Purecast & Pritam ...I was not sure if this was required. I however noticed it's not a normal dac it's a DAC Amp so it also amplifies sound...it comes in a cool packaging with cover and I am thankful that Audiocular was thoughtful to add a typeC to Type A convertor as I am using this mainly in my Dell laptop. Thanks Audiocular.

Bought the Moondrop Dawn Pro Balanced DAC/AMP recently. Build feels premium with a sleek metal body, swappable 3.5 mm & 4.4 mm outputs, plus handy volume buttons. Noticed extra loudness and a subtle but clear improvement in my IEMs. For the price, totally worth it! 🎶

I used lots of earphones and earbuds, neckband but this IEMs sound is different unbelievable I loved it Thanks 👍🏻

Excellent product. Super premium and sounds balanced.

THE HEADPHONE IS ONE OF THE BEST WHICH DOESN'T NEED ANY TEST BECAUSE ITS THE BEST, THE BLUETOOTH RANGE IS SO LONG THAT ONCE I FORGOT MY MOBILE WHILE GOING TO MARS , NORMAL HEADPHONE WILL DISCONNECT IN THAT RANGE ABOUT 33.9 MILES BUT THEN ALSO THE HEADPHONE DOESN'T DISCONNECTED AND THE MUSIC WAS STILL PLAYING NOW I WAS COMING BACK FROM MARS AND TYPED THE REVEIW WITH MY BARE HANDS 😀

Although termed as Basshead, it's clean and crisp. Bass knows when to punch and when to calm. Upgrading from Juzear Defiant which is itself a great allrounder to its price. Thoroughly enjoying the Martilo. Finally great service by TAS. Looking forward for more.

good build qualityand High quality audio output

Absolutely a beast, had to wait since it was out of stock. This is the best under 3K and probably the best with Mic under 5k.

If you are a beginner audiophile and wanted to invest friendly budget IEM then EarAcoustic STA-Hi End Series IEM is a way to go. The sound is awesome and you can hear every node it contains.

It is the best and clean sounding IEM, perfect for the Beginner.
I love the fact that I can change the nozzle and its a little different sounding, so its two in one.
The cable quality is out of the world no external sound when I touch it.
I can hear so many details clearly. I say please go for this, it is perfect first IEM and the Perfect Upgrade if you had IEM under 2k before

It provides Awesome sound quality go and buy it m

🎧 KZ Castor Pro IEM – Review
🔊 Sound Quality
The KZ Castor Pro delivers clear and detailed sound with excellent separation across lows, mids, and highs. The decent thumping bass is tight and controlled, giving energy to tracks without overwhelming the vocals or instruments. Its super-balanced tuning ensures a natural, enjoyable listening experience suitable for all genres.
🎚 Unique DIP Switch Equalizer
What sets the Castor Pro apart is its DIP switch physical equalizer. With up to 16 different tuning options, it allows listeners to adjust the sound profile on the go—boosting bass, enhancing treble, or keeping it neutral. This feature gives it a level of flexibility rarely seen in IEMs at this price point.
🔇 Noise Isolation
Although it lacks active noise cancellation, the design offers an excellent passive seal. The snug fit ensures that outside noise is effectively blocked, making the listening experience immersive and ensuring ANC doesn’t feel like a missing feature.
🎼 Hi-Res & DAC Performance
For those using Hi-Res lossless audio, pairing the Castor Pro with a DAC is highly recommended. The extra power and clarity from a DAC enhance the already impressive soundstage, detail retrieval, and overall dynamics, making the listening experience truly premium.
💰 Value for Money
At its smart price, the KZ Castor Pro punches well above its weight. It combines detailed sound, punchy bass, balanced tuning, and innovative features—making it a strong choice for both audiophiles on a budget and everyday music lovers.

Have been using these buds for like an year now, they gave me a great time all that while, only recently the cable started getting green and there was an issue with audio drop on even a slight movement (like every earphone ever), but still a great investment for an year.