Sony MDR-900ST

$138.60 Price Tier: Standard

5.0 (2)

1 Review

Find out who is using Sony MDR-900ST

1 wishlisted

4 saved

Page last updated Dec 04, 2025

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated December 4, 2025.

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Price

$138.60

View Deal

Average Price: $139

Standard/Professional

$100

$301+

Price Tier

In the Headphones & In-Ear Monitors category, Sony MDR-900ST is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Standard

High-end

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Description

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Ideal for both studio professionals and audiophiles, the Sony MDR-900ST headphones are renowned for their studio-grade sound quality and precise audio reproduction. Designed in collaboration with Sony Music Japan, these headphones have become a staple in professional recording studios across the globe. The MDR-900ST delivers a flat, uncolored sound that reveals the true character of any audio track, making them the perfect choice for critical listening and mixing.

With a closed-back design, these headphones provide excellent noise isolation, allowing you to focus on the nuances of your music without external interruptions. The comfortable, lightweight build ensures long sessions remain fatigue-free, while the adjustable headband and soft ear pads offer a secure fit for any user. The MDR-900ST is equipped with a durable, single-sided cable, built to withstand the demands of daily studio use. Whether you're an engineer, musician, or producer, these headphones will deliver the clarity and accuracy you need for your craft.

Key Features:

Studio-grade, flat sound response for accurate audio reproduction
Closed-back design provides excellent noise isolation
Comfortable and lightweight for extended use
Durable, single-sided cable for ease of use and longevity
Adjustable headband with soft ear pads for a secure fit
Widely recognized and used in professional recording studios

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Sony MDR-900ST.

Comparisons

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The CD900ST offers a more present and fuller vocal sound with a slightly better soundstage compared to the 7506.
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The MDR-CD900ST is described as having a flatter sound profile compared to the MDR-7506, making it preferable for vocal monitoring.
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Mods and upgrades

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Users report significant sound changes from pad swaps, though new pads may simply restore the original sound of the headphones when they were new.
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Although pad swaps can alter sound signature, replacing worn or used pads with new ones is recommended for maintaining the original sound.
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User experience

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The CD900ST is noted for having smaller and thinner earpads, which might not be comfortable for everyone.
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The headphones are almost on-ear due to shallow pads, which may affect long-term comfort for some users.
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Features and functionality

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The CD900ST is noted for its precision in revealing recording quality; high-quality recordings shine while poor mixes can be unlistenable.
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The MDR-CD900ST is recognized by its distinctive silver ring on the outer cups, offering a classier look compared to the MDR-7506.
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Setup and maintenance

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Owners mention significant sound variation depending on pad condition; replacing worn pads may be necessary for optimal sound.
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Use cases and applications

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The combination with a Fiio BTR5 DAC/AMP is confirmed to be effective for home use, enhancing portability and sound quality.
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These headphones are frequently seen in the Japanese studio industry and on platforms like "The First Take," highlighting their status as a staple for professional vocal monitoring.
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Value and pricing

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Some users find the price high for closed-back headphones, indicating potential concerns about cost versus performance.
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5.0 out of 5

Based on 1 Review and 2 Ratings

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1 star

skynationmusic

102

over 10 years ago

Beautiful accuracy

Its sounding very accurate and very comfortable.

Artist usage

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Juko Suzuki

Singer, Guitarist

Sokoninaru

Verified via YouTube

In the recording documentary video titled "【録音編】『啓蒙して、尋常に』ができるまで2【recording documentary vol.2】," Juko Suzuki can be seen using the Sony MDR-900ST headphones. The source of this footage is provided by -sokoninaru-そこに鳴る on YouTube.

Hideki Naganuma

Composer, Music Producer

Verified via Twitter

In a Twitter post, Hideki Naganuma mentions using the Sony MDR-900ST headphones, emphasizing that the quality of music production depends more on how equipment is used rather than its cost.

Neeraj Khajanchi

Music Producer, Audio Engineer

Verified via Twitter

Neeraj Khajanchi uses the Sony MDR-CD900ST headphones, a professional studio monitor model renowned for its advanced technology and exceptional sound quality. This is mentioned in a tweet by the artist, highlighting his focus on mixing and engineering.