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beyerdynamic T51i Facts: 156 Specifications & 62 Highlights

What makes the beyerdynamic T51i headphone stand out in a crowded lineup? These 156 specs & features — especially general information, dimensions & weight, materials & build & audio performance — are a good start.

56 Points
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beyerdynamic
beyerdynamic T51i
beyerdynamic T51i

Highlights 62

No extras. Just what matters.
56 Points

Why is beyerdynamic T51i better than other headphones ?

General Information

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Dimensions & Weight

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Materials & Build

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Audio Performance

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Connectivity & Compatibility

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Controls & Features

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Microphone & Calling

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Noise Control

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Smart & Extra Features

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Accessories

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Comparisons 1

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Quick Take

The essentials that matter—nothing extra

A fast snapshot of the beyerdynamic T51i, covering its standout specification and what you can expect right out of the box.

beyerdynamic T51i
beyerdynamic T51i

Beyerdynamic T51i is a compact on-ear headphone designed for portable listening with premium sound quality. It uses Tesla driver technology to deliver detailed audio while remaining lightweight and travel-friendly. Built with durable materials and a sleek design, it is aimed at listeners who want high-fidelity sound in a portable format.

Specifications & Facts 156

Specs measured. Drama avoided.

Looking to upgrade? Check the beyerdynamic T51i headphone with full details: price, 156 features, pros and cons, and how it stacks up vs top headphones.

General Information 16

beyerdynamic T51i Product Name

What is the product name?

61 beyerdynamic T51i 0 Votes beyerdynamic T51i

57 Headphones in this range Philips TAL7000

The official name of the headphones.

beyerdynamic T51i Intended Use

What is the intended use?

77 beyerdynamic T51i 0 Votes Music

63 Headphones in this range Music

The primary intended application for the headphones.

beyerdynamic T51i Headphone Type

What type of headphones are these?

57 beyerdynamic T51i 0 Votes On Ear

63 Headphones in this range Over Ear

The general type of headphones.

beyerdynamic T51i Form Factor

What is the form factor?

47 beyerdynamic T51i 0 Votes Wired

54 Headphones in this range Wired

The main physical form factor.

beyerdynamic T51i Fit Style

What is the fit style?

67 beyerdynamic T51i 0 Votes Closed Back

54 Headphones in this range Closed Back

The fit and enclosure style of headphones.

beyerdynamic T51i Foldable Design

Do they have a foldable design?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if headphones can be folded for storage.

Dimensions & Weight 19

beyerdynamic T51i Weight

What is the headphone weight?

0.46 lbs 0 Votes
beyerdynamic T51i
0.81 lbs (Average)

beyerdynamic T51i
beyerdynamic T51i

0.46 lbs (0.21 kg) weight, indicating a light headphone unit that should feel comfortable for extended use and easy to carry. Lighter headphones typically reduce head and neck fatigue.

Overall headphone weight without packaging.

beyerdynamic T51i Cable Length

What is the cable length?

4.17 ft 0 Votes
beyerdynamic T51i
6.12 ft (Average)

beyerdynamic T51i
beyerdynamic T51i

4.17 ft (127.04 cm) total cable length, providing moderate reach for most listening setups. Ideal for connecting to nearby devices without excessive slack.

Length of the audio cable for wired use.

beyerdynamic T51i Width

What is the width of the headphones?

5.12 inch 0 Votes
beyerdynamic T51i
6.94 inch (Average)

beyerdynamic T51i
beyerdynamic T51i

5.12 inch (13.00 cm) overall width, relevant for bag or case fit and for understanding the lateral footprint of the headphones. Compact width aids portability.

Overall horizontal measurement of the headphones.

beyerdynamic T51i Height

What is the height of the headphones?

6.69 inch 0 Votes
beyerdynamic T51i
7.68 inch (Average)

beyerdynamic T51i
beyerdynamic T51i

6.69 inch (16.99 cm) overall height, helpful for estimating on-head fit and bag space. Measure against your storage to confirm compatibility.

Vertical measurement from top to bottom.

beyerdynamic T51i Folded Width

What is the folded width?

5.12 inch 0 Votes
beyerdynamic T51i
6.7 inch (Average)

beyerdynamic T51i
beyerdynamic T51i

5.12 inch (13.00 cm) folded width, indicating the lateral space the headphones occupy when collapsed. Useful for choosing a storage pouch or case.

Width when the headphones are folded.

beyerdynamic T51i Folded Depth

What is the folded depth?

2.76 inch 0 Votes
beyerdynamic T51i
3.46 inch (Average)

beyerdynamic T51i
beyerdynamic T51i

2.76 inch (7.01 cm) folded depth, showing how compact the headphones become when collapsed. This small folded profile helps with portable storage.

Depth when headphones are folded.

Materials & Build 12

beyerdynamic T51i Material

What is the main material of the headphones?

82 beyerdynamic T51i 0 Votes Hybrid

61 Headphones in this range Plastic

Primary construction material of the headphones.

beyerdynamic T51i Ear Cushion Material

What is the ear cushion material?

57 beyerdynamic T51i 0 Votes Leather

54 Headphones in this range Leather

Material of ear cushions that affects comfort and breathability.

beyerdynamic T51i Headband Padding Material

What is the headband padding material?

57 beyerdynamic T51i 0 Votes Leather

59 Headphones in this range Foam

Padding type used in the headband.

beyerdynamic T51i Cable Material

What is the cable material?

47 beyerdynamic T51i 0 Votes Rubber

43 Headphones in this range Rubber

Construction material of the audio cable.

beyerdynamic T51i Connector Material

What is the connector material?

87 beyerdynamic T51i 0 Votes Gold Plated

69 Headphones in this range Gold Plated

Metal used for plug connectors.

beyerdynamic T51i Color Options

What are the color options?

45 beyerdynamic T51i 0 Votes Silver, Black

32 Headphones in this range Black

Available colors for the headphones.

Audio Performance 21

beyerdynamic T51i Low Frequency Response

What is the lowest frequency response?

10 Hz 0 Votes
beyerdynamic T51i
13.19 Hz (Average)

beyerdynamic T51i
beyerdynamic T51i

10 Hz low frequency response, indicating deep bass extension well below the lowest audible pitch for most listeners. Strong sub-bass capability can add weight to low-frequency content.

Lowest audible frequency reproduced.

beyerdynamic T51i Impedance

What is the impedance?

32 ohm 0 Votes
beyerdynamic T51i
68.13 ohm (Average)

beyerdynamic T51i
beyerdynamic T51i

Impedance is 32 ohm, making the headphones easy to drive from most smartphones and portable players. Lower impedance typically requires less power for the same loudness.

Electrical resistance of headphones.

beyerdynamic T51i Driver Size

What is the driver size?

45 mm 0 Votes
beyerdynamic T51i
45.28 mm (Average)

beyerdynamic T51i
beyerdynamic T51i

45 mm driver diameter, a common size that balances bass output and overall driver control. Larger drivers often provide stronger low-frequency impact.

Diameter of the driver unit.

beyerdynamic T51i High Frequency Response

What is the highest frequency response?

23,000 Hz 0 Votes
beyerdynamic T51i
29,231.7 Hz (Average)

beyerdynamic T51i
beyerdynamic T51i

23000 Hz high frequency response, showing extension above the typical 20 kHz hearing range and suggesting accurate high-frequency detail. This can benefit high-resolution audio content.

Highest audible frequency reproduced.

beyerdynamic T51i Sound Pressure Level

What is the sound pressure level?

111 dB 0 Votes
beyerdynamic T51i
102.7 dB (Average)

beyerdynamic T51i
beyerdynamic T51i

Sound pressure level / sensitivity is 111 dB, which denotes a high sensitivity that results in loud output from modest input power. High sensitivity can be beneficial for portable devices but may require care with volume levels.

Acoustic pressure output.

beyerdynamic T51i Total Harmonic Distortion

What is the THD?

0.2 % 0 Votes
beyerdynamic T51i
0.49 % (Average)

beyerdynamic T51i
beyerdynamic T51i

0.2% total harmonic distortion (THD) indicates low distortion at typical listening levels. Lower THD generally means cleaner reproduction of the source material.

Distortion in audio output.

Connectivity & Compatibility 13

beyerdynamic T51i Connection Type

What is the connection type?

17 beyerdynamic T51i 0 Votes Wired

28 Headphones in this range Wired

Defines whether headphones connect via cable, wireless, or both.

beyerdynamic T51i Connector Plug Type

What is the connector plug type?

37 beyerdynamic T51i 0 Votes 3.5mm

37 Headphones in this range 3.5mm

Type of physical connector for wired use.

beyerdynamic T51i Wired Connector Gold Plated

Are the wired connectors gold-plated?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if wired connectors are gold-plated for durability.

beyerdynamic T51i Wired Mode Support

Do the headphones support wired mode?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if headphones can also be used in wired mode.

beyerdynamic T51i NFC Pairing

Do the headphones support NFC pairing?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Allows one-tap NFC device pairing.

beyerdynamic T51i Multipoint Connectivity

Do the headphones support multipoint connectivity?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Ability to connect to multiple devices simultaneously.

Controls & Features 17

beyerdynamic T51i Track Skipping Controls

Do the headphones support track skipping?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

beyerdynamic T51i
beyerdynamic T51i

Track-skipping controls are available on the device for easy navigation between songs. This allows hands-on control without needing to reach for the connected player.

Indicates if users can skip tracks directly on the headphones.

beyerdynamic T51i On Device Controls

Do the headphones have on-device controls?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if headphones have physical or touch controls on the unit.

beyerdynamic T51i Volume Limiter

Do the headphones have a volume limiter?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Allows setting a maximum volume for hearing protection.

beyerdynamic T51i Call Answer Controls

Do the headphones support call answering on-device?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if calls can be answered using headphone controls.

beyerdynamic T51i Gesture Controls

Do the headphones support gesture controls?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if gestures like swipe or tap are supported.

beyerdynamic T51i Touch Sensitivity Adjustment

Do the headphones allow touch sensitivity adjustment?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if touch control sensitivity can be adjusted.

Microphone & Calling 13

beyerdynamic T51i Built In Microphone

Do the headphones have a built-in microphone?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

beyerdynamic T51i
beyerdynamic T51i

A built-in microphone is present for voice calls and basic hands‑free use. This means you can make phone calls or use voice assistants without an external microphone.

Indicates if the headphones have a built-in microphone.

beyerdynamic T51i Microphone Type

What is the microphone type?

47 beyerdynamic T51i 0 Votes Omni Directional

45 Headphones in this range Omni Directional

Type of microphone pickup pattern.

beyerdynamic T51i Number Of Microphones

How many microphones are included?

0 beyerdynamic T51i 0 Votes 1

7 Headphones in this range 1

Total microphones used for pickup and processing.

beyerdynamic T51i Microphone Position

What is the microphone position?

57 beyerdynamic T51i 0 Votes Inline

64 Headphones in this range Integrated

Location of microphone on the headphones.

beyerdynamic T51i Detachable Boom Mic

Do the headphones have a detachable boom mic?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if headphones support a detachable boom mic.

beyerdynamic T51i Microphone Sensitivity

What is the microphone sensitivity?

-42 dB 0 Votes
beyerdynamic T51i
-36.54 dB (Average)

Loudness pickup capability of microphone.

Noise Control 9

beyerdynamic T51i Passive Noise Isolation

Do the headphones provide passive noise isolation?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

beyerdynamic T51i
beyerdynamic T51i

Passive noise isolation is provided via the earcup seal and padding, reducing ambient noise without active electronics. It is effective in many everyday noisy environments.

Physical sealing and padding to block noise.

beyerdynamic T51i Active Noise Cancellation

Do the headphones support active noise cancellation?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if the headphones have ANC technology.

beyerdynamic T51i ANC Level Adjustment

Can ANC levels be adjusted?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Whether ANC intensity can be adjusted.

beyerdynamic T51i Passive Seal Quality

What is the passive seal quality?

67 beyerdynamic T51i 0 Votes Good

52 Headphones in this range Good

Quality of physical seal for blocking noise.

beyerdynamic T51i Transparency Mode Level Adjustment

Can transparency levels be adjusted?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Allows adjustment of transparency mode strength.

beyerdynamic T51i Adaptive Sound Control

Do the headphones feature adaptive sound control?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Automatically adjusts noise control based on environment.

Battery & Power 6

beyerdynamic T51i Replaceable Battery

Is the battery replaceable?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if the battery can be replaced.

beyerdynamic T51i Quick Charge Support

Does it support quick charging?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Whether quick charge is supported.

beyerdynamic T51i Wireless Charging Support

Does it support wireless charging?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Supports wireless charging.

beyerdynamic T51i Overcharge Protection

Does it have overcharge protection?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Protects battery from overcharging.

beyerdynamic T51i Power Saving Mode

Does it have a power saving mode?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Extends battery life by reducing power use.

beyerdynamic T51i Battery Indicator

Does it have a battery indicator?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Shows battery level on device.

Smart & Extra Features 16

beyerdynamic T51i Hi Res Audio Certification

Is it Hi-Res certified?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

beyerdynamic T51i
beyerdynamic T51i

Hi‑Res Audio certification indicates the product meets certain criteria for high-resolution playback and extended frequency response. This suggests suitability for high-resolution audio sources.

Shows if headphones meet Hi-Res audio standards.

beyerdynamic T51i AI Upscaling Audio

Does it feature AI audio upscaling?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Enhances lower-quality audio using AI algorithms.

beyerdynamic T51i Head Tracking For Spatial Audio

Does it support head tracking for spatial audio?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Supports dynamic spatial audio through head tracking.

beyerdynamic T51i Dolby Atmos Support

Is Dolby Atmos supported?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates Dolby Atmos surround compatibility.

beyerdynamic T51i Custom Sound Profiles

Can you create custom sound profiles?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Allows personalized sound settings.

beyerdynamic T51i Learning EQ Adaptation

Does it adapt EQ through learning?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

AI adjusts EQ over time based on listening habits.

Accessories 14

beyerdynamic T51i Carry Case

Is a carry case included?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

beyerdynamic T51i
beyerdynamic T51i

A carry case is included for protection and transport. Having a case simplifies storage and reduces the chance of damage during travel.

Whether a carry case is bundled with the headphones.

beyerdynamic T51i Cable Adapter

Is a cable adapter included?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

beyerdynamic T51i
beyerdynamic T51i

A cable adapter is included with the product. This provides immediate compatibility with sources or aircraft sockets that require a different connector.

Indicates if a cable adapter is provided.

beyerdynamic T51i User Manual

Is a user manual included?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

beyerdynamic T51i
beyerdynamic T51i

A user manual is included to guide setup and operation of the headphones. This typically covers controls, safety, and warranty information.

Indicates if a user manual is provided.

beyerdynamic T51i Carrying Case Type

What type of carrying case is included?

97 beyerdynamic T51i 0 Votes Hard Case

28 Headphones in this range None

The type of carrying case included.

beyerdynamic T51i Protective Pouch

Is a protective pouch included?

Yes 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if a protective pouch is included.

beyerdynamic T51i Extra Ear Tips

Are extra ear tips included?

No 0 Votes beyerdynamic T51i

Yes Headphones in this range

Indicates if extra ear tips are provided.

Surveys

Because hot takes deserve votes.

beyerdynamic T51i Sound Quality

How would you rate the overall sound quality of these headphones?

Excellent — Clear, balanced, and immersive sound 0 Votes
Very good — Great clarity with rich tones 0 Votes
Decent — Clear mids but limited depth 0 Votes
Average — Lacks detail or balance 0 Votes
Poor — Muffled or distorted sound 0 Votes

beyerdynamic T51i Bass Performance

How strong and accurate is the bass performance on these headphones?

Powerful — Deep and clean low-end 0 Votes
Strong — Noticeable and satisfying bass 0 Votes
Balanced — Good mix of lows and highs 0 Votes
Weak — Light or flat bass response 0 Votes
Poor — No real bass presence 0 Votes

beyerdynamic T51i Comfort and Fit

How comfortable do these headphones feel during long listening sessions?

Extremely comfortable — Feels weightless for hours 0 Votes
Comfortable — Slight pressure after long use 0 Votes
Average — Fine for short periods 0 Votes
Tight — Uncomfortable after an hour or two 0 Votes
Unpleasant — Difficult to wear for long 0 Votes

beyerdynamic T51i Noise Cancellation

How effective is the noise cancellation feature on these headphones?

Excellent — Blocks over 90% of external noise 0 Votes
Good — Reduces most background sounds 0 Votes
Fair — Works in moderate noise only 0 Votes
Weak — Minimal difference noticed 0 Votes
Poor — Hardly blocks any noise 0 Votes

beyerdynamic T51i Battery Life

How long does the battery last on a full charge?

Excellent — Over 40 hours 0 Votes
Good — 30 to 40 hours 0 Votes
Average — 20 to 30 hours 0 Votes
Short — 10 to 20 hours 0 Votes
Very short — Under 10 hours 0 Votes

beyerdynamic T51i Build Quality and Durability

How durable and sturdy do these headphones feel?

Very durable — Lasts over 5 years 0 Votes
Solid — Feels high-quality and strong 0 Votes
Decent — Works fine but not rugged 0 Votes
Weak — Shows wear within a year 0 Votes
Fragile — Breaks or cracks easily 0 Votes

beyerdynamic T51i Connectivity

How smooth and reliable is the Bluetooth or wired connection of these headphones?

Excellent — Connects instantly, never drops 0 Votes
Good — Stable with rare issues 0 Votes
Decent — Occasional lag or delay 0 Votes
Weak — Disconnects sometimes 0 Votes
Poor — Frequently loses connection 0 Votes

beyerdynamic T51i Design and Style

How stylish and appealing do these headphones look?

Very stylish — Modern and premium design 0 Votes
Attractive — Clean and sleek look 0 Votes
Decent — Looks fine but simple 0 Votes
Basic — Functional but plain 0 Votes
Unappealing — Bulky or outdated design 0 Votes

beyerdynamic T51i Portability

How easy is it to carry and store these headphones when not in use?

Very portable — Folds compactly and lightweight 0 Votes
Easy to carry — Compact with carrying case 0 Votes
Manageable — Moderate size and weight 0 Votes
Bulky — Hard to pack in small bags 0 Votes
Very bulky — Difficult to travel with 0 Votes

beyerdynamic T51i Pricing

How would you describe the price of these headphones for their sound and features?

Great value for money 0 Votes
Pretty good price 0 Votes
Fair deal 0 Votes
Kinda pricey 0 Votes
Crazy expensive 0 Votes

Guides 1

Yes, we brought proof.

Files 1

beyerdynamic T51i Manual (PDF)

coolblue.nl
coolblue.nl

Reviews 0

The good, the bad, and the brutally honest.

Average Rating

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beyerdynamic T51i
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Discussions 0

Thoughts, takes, and hot debates.

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