Product comparison · 2 speakerphones

Dahua Technology VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black vs Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black

25specifications compared
20differ
5identical
29known for one product only

Key differences

The Dahua Technology VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black has 1 Ω more impedance than the Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black (4 Ω vs 3 Ω). The Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black has 4 more microphones than the Dahua Technology VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black (8 vs 4). The Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black has 4 h more battery life (max) than the Dahua Technology VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black (12 h vs 8 h). Device type: Mobile phone/PC on the Dahua Technology VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black, PC on the Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black. LED indicators: Power on the Dahua Technology VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black, Yes on the Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black.

Device type
- VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black:Mobile phone/PC
- 4Y71Q47766 speakerphone PC Bluetooth Black:PC
LED indicators
- VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black:Power
- 4Y71Q47766 speakerphone PC Bluetooth Black:Yes
Impedance
- VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black:4 Ω
- 4Y71Q47766 speakerphone PC Bluetooth Black:3 Ω
Microphone frequency
- VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black:90 - 16000 Hz
- 4Y71Q47766 speakerphone PC Bluetooth Black:150 - 7000 Hz
Number of microphones
- VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black:4
- 4Y71Q47766 speakerphone PC Bluetooth Black:8
Interface
- VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black:USB Type-C
- 4Y71Q47766 speakerphone PC Bluetooth Black:Bluetooth
Connectivity technology
- VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black:Wired
- 4Y71Q47766 speakerphone PC Bluetooth Black:Wired & Wireless
Power source type
- VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black:USB
- 4Y71Q47766 speakerphone PC Bluetooth Black:Battery

Side by side

Differences highlightedShow differences only

Comparison of VCS-MCA450, 4Y71Q47766
54 specifications	A Dahua Technology VCS-MCA450 speakerphone Mobile phone/PC USB Type-C Black Model VCS-MCA450 View product	B Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black Model 4Y71Q47766 View product
Features3 differ
Device typeDiffers	Mobile phone/PC	PC
Product colour	Black	Black
Portable	Yes	Yes
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	10 m	Unknown — not stated by the source
Signal-to-Noise Ratio (SNR)Known for one	75 dB	Unknown — not stated by the source
LED indicatorsDiffers	Power	Yes
Control typeKnown for one	Buttons	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Sound pressure level (max)Known for one	85 dB	Unknown — not stated by the source
Windows operating systems supportedDiffers	Windows 10, Windows 11, Windows 7, Windows 8	Windows 10, Windows 11
Mac operating systems supported	Yes	Yes
AutoKnown for one	Unknown — not stated by the source	No
Noise cancelingKnown for one	Unknown — not stated by the source	Yes
Cable lengthKnown for one	Unknown — not stated by the source	2 m
On/off switchKnown for one	Unknown — not stated by the source	Yes
International Protection (IP) codeKnown for one	Unknown — not stated by the source	IP54
CertificationKnown for one	Unknown — not stated by the source	BQB, CB, FCC ID, IC ID, CE RED, JRF, VCCI, NBTC, SIRIM, SRRC, NTC, IMDA, BIS, RCM, OFCA, WPC
Loudspeakers1 differ
Output powerKnown for one	5 W	Unknown — not stated by the source
ImpedanceDiffers	4 Ω	3 Ω
SensitivityKnown for one	Unknown — not stated by the source	81 dB
Frequency rangeKnown for one	Unknown — not stated by the source	20 - 20000 Hz
Microphone2 differ
Microphone direction typeKnown for one	Omnidirectional	Unknown — not stated by the source
Microphone frequencyDiffers	90 - 16000 Hz	150 - 7000 Hz
Number of microphonesDiffers	4	8
Ports & interfaces2 differ
InterfaceDiffers	USB Type-C	Bluetooth
Connectivity technologyDiffers	Wired	Wired & Wireless
Bluetooth	Yes	Yes
USB connector genderKnown for one	Male	Unknown — not stated by the source
USB connector type	USB Type-C	USB Type-C
Bluetooth versionKnown for one	Unknown — not stated by the source	5.3
Power3 differ
Power source typeDiffers	USB	Battery
Operating voltageKnown for one	7.4 V	Unknown — not stated by the source
Charging voltageKnown for one	5 V	Unknown — not stated by the source
Input currentKnown for one	2 A	Unknown — not stated by the source
Battery life (max)Differs	8 h	12 h
Battery recharge timeDiffers	3 h	4 h
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 60 °C
Storage temperature (T-T)Known for one	-20 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 95%
Battery1 differ
Battery capacityDiffers	2200 mAh	4215 mAh
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Weight & dimensions3 differ
WidthDiffers	112.5 mm	122.5 mm
HeightDiffers	35.2 mm	122.5 mm
WeightDiffers	300 g	400 g
DepthKnown for one	Unknown — not stated by the source	38.5 mm
Packaging data4 differ
Package widthDiffers	188 mm	172 mm
Package depthDiffers	163 mm	161.5 mm
Package heightDiffers	51 mm	77 mm
Package weightDiffers	400 g	740 g
Package typeKnown for one	Unknown — not stated by the source	Box
Packaging contentidentical
QuantityKnown for one	1	Unknown — not stated by the source

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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