Sony LinkBuds WF-L900 Specifications, Tests and Review

Headphone type
Ear-bud
Connectivity
Wireless
Frequency Response
20 - 20000 Hz

Complete technical specifications, details, expert ratings and review of Sony LinkBuds WF-L900. Find out how your chosen headphones stack up against the competition and whether they are the ones that best meet your expectations with the headphone comparison feature.

Sony LinkBuds WF-L900 Full Specifications and Details

design and dimensions sound quality microphone cable features battery and charging connections others

DESIGN AND DIMENSIONS Sony LinkBuds WF-L900
Product Type True wireless earphones - Bluetooth - wireless
Weight 8.2 g Better than 70 % of in-ear headphones rated.
Dimensions & Weight Details Charging case: 4.85 cm x 4.14 cm x 3.09 cm / 34 g
Earbud: 4.1 g
Colour Grey | White
Protection Splashproof, sweat-resistant
Recommended Use Portable electronics
Bluetooth Range (Operating Distance) 10 m Better than 82 % of in-ear headphones rated.

​​The Sony LinkBuds WF-L900 are wireless headphones. The wireless connection allows absolute freedom of movement and with that increases the comfort of using the headphones. This feature is very popular, especially when using headphones every day. The limiting factor of wireless headphones is a certain delay in the sound transmission between the source and the headphones (almost indistinguishable for a normal user), as well as the need to charge them (in the case of wired headphones, the headphones are recharged by connecting the cable itself). The technology used for the sound transmission used by the headphones is Bluetooth 5.2. The maximum range of the headphones is up to 10 m. This range represents the distance from the sound source at which the headphones with wireless sound transmission can be used. However, the maximum range may be affected by obstacles such as walls or people, etc.

The headphones are designed as in-ear. In-ear headphones are plugged directly into the ear and they normally offer complete or at least partial isolation from surrounding noise. The degree of isolation also depends on whether the headphones have an ambient noise isolation function. Their indisputable advantage is that they are more compact than over-the-head headphones. The weight of the headphones is 8.2 g.

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SOUND QUALITY Sony LinkBuds WF-L900
Headphones Form Factor Ear-bud
Headphones Technology Dynamic
Connectivity Technology Wireless
Wireless Technology Bluetooth
Bluetooth Version Bluetooth 5.2 Better than 98 % of in-ear headphones rated.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Serial Copy Management System (SCMS-T)
Bluetooth Audio Codec SBC, AAC
Sound Effects Digital Sound Enhancement Engine (DSEE), Adaptive Sound Control, 360 Reality Audio
Frequency Response 20 - 20000 Hz Better than 53 % of in-ear headphones rated.
Diaphragm 12 mm Better than 67 % of in-ear headphones rated.
Magnet Material Neodymium
Features Precise Voice Pickup Technology, Google Fast Pair, Microsoft Swift Pair, Processor V1

The sound quality can be affected by many factors. When it comes to frequency range, the wider it is, the more detail you will hear when listening. However, the range a person can perceive is highly individual. The average person is able to perceive frequencies in the range of 16 to 20 000 Hz. So the most common frequency range you will see on the market is 20 to 20,000 Hz. Lower frequencies up to approximately 256 Hz are considered bass frequencies. Therefore, the lower the bottom value is, the better the headphones will reproduce bass. Conversely, values from approximately 2 048 Hz upwards are treble. That is why headphones with a high upper value will provide a much more accurate reproduction of high notes. Sony LinkBuds WF-L900 offers a frequency range of 20 - 20000 Hz.

An important part of these headphones is the diaphragm, which, simply put, converts the electrical signal into a sound. The thin diaphragm that is around 6 mm thick can react quickly to changes in the audio signal and improves high-frequency listening. However, it is less sensitive to bass. The medium-thick diaphragm of around 10 mm provides a fairly balanced sound profile, allowing you to enjoy both bass and treble. A thicker diaphragm of around 20 mm cannot react so quickly to changes in the sound signal, thus impairing bass listening. However, it is more sensitive to higher frequencies. This model features the 12 mm.

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MICROPHONE Sony LinkBuds WF-L900
Form Factor Built-in
CABLE Sony LinkBuds WF-L900
Cable Type USB-C charge cable - detachable
FEATURES Sony LinkBuds WF-L900
Features Wide Area Tap, Quick Access
Internet of Things (IoT) Compatible Yes
Intelligent Assistant Google Assistant, Alexa

Demanding users and technology enthusiasts will appreciate an intelligent assistant with whom they can partially control connected devices. For example, they can adjust the volume or request information about messages or alerts.

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BATTERY AND CHARGING Sony LinkBuds WF-L900
Battery Type Headphone battery rechargeable
Battery Life 5.5 hour(s) Worse than 71 % of in-ear headphones rated.
Battery Life Details Continuous playback: up to 5.5 hour(s)
Continuous talk: up to 2.5 hour(s)
Continuous playback (with included charging case): up to 17.5 hour(s)
Standby Time 10 hours Worse than 99 % of in-ear headphones rated.

In terms of headphone battery life as a significant factor in the purchase decision, it depends on what you want to use the headphones for and potentially how often you will be able to recharge them. Headphones with up to a few hours of battery life are more suitable for home use as they will require more frequent charging. Headphones with a battery life of around 10 hours or more are already more suitable for commuting and shorter journeys. However, nowadays you can also find headphones on the market that have a battery life in the higher tens to hundreds of hours. In this case, you do not have to worry about your headphones simply running out of power on longer journeys, and you will not have to deal with constant recharging. The battery life of the Sony LinkBuds WF-L900 reaches up to 5.5 hour(s).

The standby battery life quoted by the manufacturer is 10 hours.

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CONNECTIONS Sony LinkBuds WF-L900
Connector Type USB (power only) (USB Type-C)
OTHERS Sony LinkBuds WF-L900
Included Accessories Charging case, 5 sizes of arc support
Compliant Standards IPX4

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