Name: Sony WFLS900N/B Headphones & Earbuds
Brand: Sony
Rating: 4.2 (35 reviews)

Sony WFLS900N/B Headphones & Earbuds Black Refurbished - Excellent

$109.00

Sony4.24.2

(35 reviews)

$109.00

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Specifications

WFLS900N/B

SONY ELECTRONICS INC

Adult

DJ, Live Monitoring, Studio Monitoring

WFLS900N/B

SONY ELECTRONICS INC

Adult

DJ, Live Monitoring, Studio Monitoring

Side-by-Side Comparison

6 similar products · scroll horizontally to browse

This Product

Sony WFLS900N/B Headphones & Earbuds

4.2(345)

$109.00

Avg 3

1.Delivering great sound quality with active noise cancellation and a comfortable fit, these earbuds are built for studio monitoring and daily use.

2.Weighing only 5g with IPX4 water resistance, they are comfortable for long sessions and travel.

Audio professionalsCommuters

Studio monitoringTravel

Earbud (In Ear)

Dynamic Driver

Not specified

Yes

8 ohm

6 hours

—

Wireless

—

5 g

Bluetooth

Water Resistant

—

WFLS900N/B

Quiet Travel

Sony WH-1000XM4 Headphones & Earbuds

$271.17 - $383.90

Best Noise Cancelling

Sony WH-1000XM5 Headphones & Earbuds

4.4(135.9K+)

$179.99 - $438.90

Fast Charge

Sony WH-CH520 Headphones & Earbuds

4.8(132.9K+)

$29.99 - $76.00

Travel Ready

Sony MDRZX110 Headphones & Earbuds

4.4(133.4K+)

$20.00 - $24.99

Pro Audio

Sony WH-CH720N Headphones & Earbuds

4.4(110.5K+)

$49.23 - $99.70

Avg 4.6

Avg 4.3

Avg 3.1

Avg 4.1

1.Built around industry-leading active noise cancellation and a lightweight, comfortable design, this headset delivers 30-hour battery life and a travel-ready case, perfect for uninterrupted focus on long journeys.

2.A practical choice for anyone who values silence and comfort while commuting or flying.

1.Industry-leading active noise cancellation and a comfortable, lightweight design make these ideal for blocking out distractions during travel or deep focus.

2.With 30-hour battery life and quick 3-minute charge for 8 hours of playback, they keep up with long commutes and workdays.

1.With 50-hour battery life and a 5-minute quick charge that provides 4 hours of playback, these lightweight headphones minimize downtime.

2.A practical choice for users who need reliable wireless listening with voice assistant support and fast recharging.

1.With active noise cancellation, a comfortable foldable design, and up to 80 hours of noise-canceling battery, this Sony headphone is built for travelers who value quiet and comfort.

2.Its lightweight on-ear build and reliable sound quality make it a practical choice for daily commutes and long journeys.

1.With a 40mm dynamic driver delivering crisp sound and 35-hour battery life, the Sony WH-CH720N offers great audio for long listening sessions.

2.Its lightweight 192g design and comfortable faux leather earpads make it easy to wear for extended periods.

Frequent travelersNoise-sensitive listeners

Travel and commutingFocus in noisy environments

Frequent travelersRemote workers

Noise-free travelDeep focus

Frequent travelersBusy commuters

Quick chargingLong listening sessions

Frequent travelersCommuters

TravelDaily commute

Music enthusiastsFrequent travelers

Long listening sessionsNoise isolation

Ear-Cup (Over the Ear)

Ear-Pad (On the Ear)

Ear-Cup (Over the Ear)

Dynamic Driver

Not specified

20000 hertz

22000 hertz

Not specified

Active Noise Cancellation

None

Active Noise Cancellation

16 ohm

48 ohm

24 ohm

325 ohm

5.2

—

5.2

30 Hours

30 hours

50 hour

80 hours

35 hours

1000

BLUETOOTH HEADPHONES

520

NOSIE CANCELLING HEADPHONE

720

Fast Charging, Microphone Included, Noise Cancellation

Fast Charging, Lightweight, Microphone Included, Noise Cancellation

Wireless

Foldable, Noise Cancellation

Adaptive Sound control, Adjustable Ambient Sound mode, Dual Noise Sensor technology, Long battery with quick charging, Microphone Included, Multipoint connection

7.27 x 9.94 x 3.03 in

12.00 x 10.00 x 4.00 in

22.8 x 17.2 x 4.4 cm; 147 g

1.00 x 1.00 x 0.01 in

26 x 20.8 x 5.5 cm; 192 g

0.76 g

8.82 ounces

147 g

5.29 ounces

0.1 kg

Bluetooth

Wired

Bluetooth

Not Water Resistant

2020

2025

2023

—

2023

WH-1000XM4

WH-1000XM5

WH-CH520

MDR-ZX110NC

WH-CH720N

Reviews & Ratings

(35)

3.7

35 reviews

👍 Pros

👎 Cons

Sound Quality

3.8

76%

Overall sound quality receives many positive remarks, with users describing it as clear, immersive, and comparable to Sony's higher-end XM4 over-ear headphones. However, a minority of users report muffled or mediocre sound, and some note a lack of deep bass. The mixed feedback reflects an above-average but not flawless audio experience.

Sound Quality

3.8

76%

Comfort & Fit

4.8

96%

Comfort and fit are widely praised across all reviews. Users with small ears, narrow ear canals, or those who struggle with earbud fit find these exceptionally comfortable and secure. Many mention they stay put during exercise and can be worn all day without discomfort. The multiple ear tip sizes contribute to the excellent fit.

Comfort & Fit

4.8

96%

Battery Life

1.0

20%

Battery life is the most heavily criticized aspect. Numerous users report rapid degradation after a few months, with the right earbud dying in 15–30 minutes or failing to charge entirely. Even within a year, many experience the need to charge 2–3 times daily. This is a widespread and severe issue.

Battery Life

1.0

20%

Noise Cancellation

3.5

70%

Active noise cancellation is generally effective, with some users comparing it favorably to Sony’s premium models. However, several complaints mention a constant buzzing sound when ANC is enabled, and the ambient sound mode does not work well for some. Overall, ANC quality is decent but not flawless.

Noise Cancellation

3.5

70%

Build Quality & Design

2.0

40%

Build quality receives both praise and strong criticism. The design is praised for being lightweight, sleek, and compact. However, multiple users report physical disintegration (sensor lens falling off), charging failures, intermittent disconnections, and unreliable touch controls. These issues significantly lower the overall durability score.

Build Quality & Design

2.0

40%

Keywords

User Voices

2.0WALMARTOct 26, 2025

Kayla

Bad Battery Quality

These were good until recently. After just over a year, the right earbud's battery failed to hold a charge. It's really disappointing for such a high-end, expensive product, especially since many others have reported the same issue and Sony won't cover it. Thankfully, a local shop was able to replace the battery.

5.0WALMARTOct 9, 2025

Pickle Tech

Surprisingly Amazing

I just got these, and they've already exceeded my expectations. The noise cancellation and sound quality easily rival my bulky over-the-ear XM4s, but in a much more compact package!

Sony WFLS900N/B Headphones & Earbuds Reviews

Sony WFLS900N/B Headphones & Earbuds Black Refurbished - Excellent

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Price History

Specifications

General4

Wearing & Design7

Audio3

Mic & Controls2

Connectivity8

Battery4

Durability2

Compatibility3

Dimensions2

Others1

Reviews & Ratings

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Price History

Specifications

General4

Wearing & Design7

Audio3

Mic & Controls2

Connectivity8

Battery4

Durability2

Compatibility3

Dimensions2

Others1

Reviews & Ratings