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 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
Adjustable headbandKnown for one	Yes	Unknown — not stated by the source
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
Headphones5 differ
Ear couplingDiffers	Supraaural	Circumaural
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 frequencyKnown for one	20 - 2000 Hz	Unknown — not stated by the source
Number of microphonesDiffers	5	2
Battery1 differ
Continuous audio playback timeDiffers	50 h	60 h
Battery recharge timeKnown for one	2 h	Unknown — not stated by the source
Operational conditionsidentical
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
Packaging content1 differ
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Wireless receiver interfaceDiffers	USB Type-C	USB Type-A
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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