Product comparison · 2 headphones

Lenovo 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey vs Lenovo 6550 Headset Wireless Head-band Office/Call center USB Type-C Bluetooth Black

45specifications compared
16differ
29identical
12known for one product only

Key differences

Product colour
- 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey:Grey
- 6550 Headset Wireless Head-band Office/Call center USB Type-C Bluetooth Black:Black
Control type
- 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey:Touch
- 6550 Headset Wireless Head-band Office/Call center USB Type-C Bluetooth Black:Buttons
Ear coupling
- 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey:Supraaural
- 6550 Headset Wireless Head-band Office/Call center USB Type-C Bluetooth Black:Circumaural
Impedance
- 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey:16 Ω
- 6550 Headset Wireless Head-band Office/Call center USB Type-C Bluetooth Black:32 Ω
Headphone sensitivity
- 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey:120 dB
- 6550 Headset Wireless Head-band Office/Call center USB Type-C Bluetooth Black:115 dB
Driver unit
- 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey:2.8 cm
- 6550 Headset Wireless Head-band Office/Call center USB Type-C Bluetooth Black:4 cm
Total Harmonic Distortion (THD)
- 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey:3%
- 6550 Headset Wireless Head-band Office/Call center USB Type-C Bluetooth Black:2%
Number of microphones
- 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey:5
- 6550 Headset Wireless Head-band Office/Call center USB Type-C Bluetooth Black:2

Side by side

Differences highlightedShow differences only

Comparison of 4XD1T60925, 6550
57 specifications	A Lenovo 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey Model 4XD1T60925 View product	B Lenovo 6550 Headset Wireless Head-band Office/Call center USB Type-C Bluetooth Black Model 6550 View product
Performance3 differ
Product type	Headset	Headset
Wearing style	Head-band	Head-band
Recommended usage	Office/Call center	Office/Call center
Headset type	Binaural	Binaural
Product colourDiffers	Grey	Black
Colour nameKnown for one	Thunder Gray	Unknown — not stated by the source
Operating keysDiffers	Bluetooth pairing, ANC control, Microsoft Teams button, Answer/end call, Mute, Multi-key, Volume +, Volume -, Reject call	ANC control, Microsoft Teams button, Mute, Play/Pause, Voice assistant, Volume +, Volume -
Control typeDiffers	Touch	Buttons
FoldableKnown for one	Yes	Unknown — not stated by the source
Cable length	1.3 m	1.3 m
LED indicators	Yes	Yes
Adjustable headbandKnown for one	Yes	Unknown — not stated by the source
Certification	CB, BQB, CE, TUV mark, UKCA, RCM, EAC, cTUVus, FCC, ICES, WPC, SRRC, SIRIM, KC, IMDA, SDPPI, JRF	CB, BQB, CE, TUV mark, UKCA, RCM, EAC, cTUVus, FCC, ICES, WPC, SRRC, SIRIM, KC, IMDA, SDPPI, JRF
Cable colourKnown for one	Unknown — not stated by the source	Black
Number of simultaneously connected devices (max)Known for one	Unknown — not stated by the source	2
Ports & interfacesidentical
Connectivity technology	Wireless	Wireless
USB connectivity	Yes	Yes
USB connector	USB Type-C	USB Type-C
Bluetooth	Yes	Yes
Bluetooth version	5.3	5.3
Wireless range	30 m	30 m
Headphones5 differ
Ear couplingDiffers	Supraaural	Circumaural
Headphone frequency	20 - 20000 Hz	20 - 20000 Hz
ImpedanceDiffers	16 Ω	32 Ω
Headphone sensitivityDiffers	120 dB	115 dB
Driver unitDiffers	2.8 cm	4 cm
Total Harmonic Distortion (THD)Differs	3%	2%
Microphone1 differ
Microphone type	Boom/Built-in microphone	Boom/Built-in microphone
Microphone frequencyKnown for one	20 - 2000 Hz	Unknown — not stated by the source
Microphone direction type	Unidirectional/Omnidirectional microphone	Unidirectional/Omnidirectional microphone
Microphone noise-canceling	Yes	Yes
Number of microphonesDiffers	5	2
Microphone mute	Yes	Yes
Battery1 differ
Battery capacity	640 mAh	640 mAh
Continuous audio playback timeDiffers	50 h	60 h
Battery recharge timeKnown for one	2 h	Unknown — not stated by the source
Battery voltage	5 V	5 V
System requirementsidentical
Windows operating systems supported	Windows 10	Windows 10
Mac operating systems supported	Yes	Yes
Mobile operating systems supported	Android, iOS	Android, iOS
Operational conditionsidentical
Operating temperature (T-T)	0 - 45 °C	0 - 45 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 90%
Weight & dimensions1 differ
WeightDiffers	153 g	165 g
Packaging data4 differ
Package widthDiffers	187 mm	194 mm
Package depthDiffers	165 mm	161 mm
Package heightDiffers	56 mm	51 mm
Package weightDiffers	554 g	365 g
Package type	Box	Box
Packaging content1 differ
AC adapter included	No	No
Receiver included	Yes	Yes
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Wireless receiver interfaceDiffers	USB Type-C	USB Type-A
Cables included	USB Type-C to USB Type-C	USB Type-C to USB Type-C
Pouch	Yes	Yes
Certificatesidentical
Certified for Microsoft TeamsKnown for one	Unknown — not stated by the source	Yes
Poweridentical
USB Type-C charging portKnown for one	Unknown — not stated by the source	Yes
Supplier featuresidentical
Charging timeKnown for one	Unknown — not stated by the source	120 min

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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