Product comparison · 2 speakerphones

Jabra Speak2 40 MS Teams, Dark Grey vs Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black

24specifications compared
20differ
4identical
37known for one product only

Key differences

Cable length
- Speak2 40 MS Teams, Dark Grey:0.8 m
- 4Y71Q47766 speakerphone PC Bluetooth Black:2 m
On/off switch
- Speak2 40 MS Teams, Dark Grey:No
- 4Y71Q47766 speakerphone PC Bluetooth Black:Yes
International Protection (IP) code
- Speak2 40 MS Teams, Dark Grey:IP64
- 4Y71Q47766 speakerphone PC Bluetooth Black:IP54
Sensitivity
- Speak2 40 MS Teams, Dark Grey:83 dB
- 4Y71Q47766 speakerphone PC Bluetooth Black:81 dB
Frequency range
- Speak2 40 MS Teams, Dark Grey:100 - 20000 Hz
- 4Y71Q47766 speakerphone PC Bluetooth Black:20 - 20000 Hz
Number of microphones
- Speak2 40 MS Teams, Dark Grey:4
- 4Y71Q47766 speakerphone PC Bluetooth Black:8
Interface
- Speak2 40 MS Teams, Dark Grey:USB Type-A/USB Type-C
- 4Y71Q47766 speakerphone PC Bluetooth Black:Bluetooth
Connectivity technology
- Speak2 40 MS Teams, Dark Grey:Wired
- 4Y71Q47766 speakerphone PC Bluetooth Black:Wired & Wireless

Side by side

Differences highlightedShow differences only

Comparison of TAA2740-109, 4Y71Q47766
61 specifications	A Jabra Speak2 40 MS Teams, Dark Grey Model TAA2740-109 View product	B Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black Model 4Y71Q47766 View product
Features4 differ
SpeakerphoneKnown for one	No	Unknown — not stated by the source
Noise reductionKnown for one	Yes	Unknown — not stated by the source
Echo cancellationKnown for one	Yes	Unknown — not stated by the source
Maximum operating distanceKnown for one	2.3 m	Unknown — not stated by the source
Cable lengthDiffers	0.8 m	2 m
Control typeKnown for one	Touch	Unknown — not stated by the source
On/off switchDiffers	No	Yes
Operating keysKnown for one	Microsoft Teams button, Answer/end call, Reject call, Volume +, Volume -, Mute	Unknown — not stated by the source
Audio beamformingKnown for one	Yes	Unknown — not stated by the source
International Protection (IP) codeDiffers	IP64	IP54
Daisy chainKnown for one	No	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Audio system full duplexKnown for one	Yes	Unknown — not stated by the source
Unified communicationsKnown for one	No	Unknown — not stated by the source
RangeKnown for one	2.3	Unknown — not stated by the source
CertificationDiffers	Microsoft Teams	BQB, CB, FCC ID, IC ID, CE RED, JRF, VCCI, NBTC, SIRIM, SRRC, NTC, IMDA, BIS, RCM, OFCA, WPC
Device typeKnown for one	Unknown — not stated by the source	PC
AutoKnown for one	Unknown — not stated by the source	No
Noise cancelingKnown for one	Unknown — not stated by the source	Yes
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 10, Windows 11
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Loudspeakers2 differ
SensitivityDiffers	83 dB	81 dB
Driver unitKnown for one	5 cm	Unknown — not stated by the source
Frequency rangeDiffers	100 - 20000 Hz	20 - 20000 Hz
ImpedanceKnown for one	Unknown — not stated by the source	3 Ω
Microphone1 differ
Microphone muteKnown for one	No	Unknown — not stated by the source
Number of microphonesDiffers	4	8
Ports & interfaces3 differ
InterfaceDiffers	USB Type-A/USB Type-C	Bluetooth
Connectivity technologyDiffers	Wired	Wired & Wireless
USB connector genderKnown for one	Male	Unknown — not stated by the source
USB connector typeDiffers	USB Type-C, USB Type-A	USB Type-C
Bluetooth Low Energy (BLE)Known for one	No	Unknown — not stated by the source
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	5.3
Power1 differ
Power source typeDiffers	USB	Battery
Battery life (max)Known for one	Unknown — not stated by the source	12 h
Battery recharge timeKnown for one	Unknown — not stated by the source	4 h
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 60 °C
Storage temperature (T-T)Known for one	-20 - 45 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 95%
Certificatesidentical
Certified for Microsoft TeamsKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	120 mm	122.5 mm
DepthDiffers	120 mm	38.5 mm
HeightDiffers	33 mm	122.5 mm
WeightDiffers	245 g	400 g
Packaging data4 differ
Package widthDiffers	142 mm	172 mm
Package depthDiffers	139 mm	161.5 mm
Package heightDiffers	46.5 mm	77 mm
Package weightDiffers	245 g	740 g
Package typeKnown for one	Unknown — not stated by the source	Box
Packaging contentidentical
Storage pouchKnown for one	Yes	Unknown — not stated by the source
Packaging contentKnown for one	Speakerphone (Speak2);Carry pouch;Safety Information and Warranty	Unknown — not stated by the source
Technical detailsidentical
Near Field Communication (NFC)Known for one	No	Unknown — not stated by the source
Voice controlKnown for one	No	Unknown — not stated by the source
Voice guidanceKnown for one	No	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Battery capacityKnown for one	Unknown — not stated by the source	4215 mAh

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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