Product comparison · 2 speakerphones

Dahua Technology DH-VCS-MCA400 speakerphone Universal Black vs Lenovo EXPAND 30 +

8specifications compared
5differ
3identical
31known for one product only

Key differences

Product colour
- DH-VCS-MCA400 speakerphone Universal Black:Black
- EXPAND 30 +:Black, Silver
Maximum operating distance
- DH-VCS-MCA400 speakerphone Universal Black:5 m
- EXPAND 30 +:25 m
Microphone frequency
- DH-VCS-MCA400 speakerphone Universal Black:150 - 16000 Hz
- EXPAND 30 +:150 - 7500 Hz
Power source type
- DH-VCS-MCA400 speakerphone Universal Black:Battery
- EXPAND 30 +:Battery, USB
Battery recharge time
- DH-VCS-MCA400 speakerphone Universal Black:5 h
- EXPAND 30 +:3.33 h

Side by side

Differences highlightedShow differences only

Comparison of DH-VCS-MCA400, EXPAND 30 +
39 specifications	A Dahua Technology DH-VCS-MCA400 speakerphone Universal Black Model DH-VCS-MCA400 View product	B Lenovo EXPAND 30 +View product
Features2 differ
Device type	Universal	Universal
Product colourDiffers	Black	Black, Silver
Maximum operating distanceDiffers	5 m	25 m
Signal-to-Noise Ratio (SNR)Known for one	75 dB	Unknown — not stated by the source
AutoKnown for one	Unknown — not stated by the source	No
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Loudspeakersidentical
SensitivityKnown for one	75 dB	Unknown — not stated by the source
Operating frequencyKnown for one	1 - 1000 MHz	Unknown — not stated by the source
Output powerKnown for one	5 W	Unknown — not stated by the source
Frequency rangeKnown for one	Unknown — not stated by the source	100 - 20000 Hz
Microphone1 differ
Microphone direction type	Omnidirectional	Omnidirectional
Microphone frequencyDiffers	150 - 16000 Hz	150 - 7500 Hz
Microphone muteKnown for one	Unknown — not stated by the source	Yes
Number of microphonesKnown for one	Unknown — not stated by the source	2
Ports & interfacesidentical
USB connector type	USB Type-C	USB Type-C
InterfaceKnown for one	Unknown — not stated by the source	USB/Bluetooth
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired & Wireless
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth profilesKnown for one	Unknown — not stated by the source	A2DP, AVRCP, DI, HFP, HSP
Bluetooth versionKnown for one	Unknown — not stated by the source	5.0
Power2 differ
Power source typeDiffers	Battery	Battery, USB
Charging voltageKnown for one	5 V	Unknown — not stated by the source
Battery recharge timeDiffers	5 h	3.33 h
Talk timeKnown for one	Unknown — not stated by the source	18 h
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Batteryidentical
Battery capacityKnown for one	2200 mAh	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	120 mm	Unknown — not stated by the source
DepthKnown for one	120 mm	Unknown — not stated by the source
HeightKnown for one	37 mm	Unknown — not stated by the source
WeightKnown for one	390 g	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	150 mm	Unknown — not stated by the source
Package depthKnown for one	211 mm	Unknown — not stated by the source
Package heightKnown for one	66 mm	Unknown — not stated by the source
Package weightKnown for one	540 g	Unknown — not stated by the source
Packaging contentidentical
QuantityKnown for one	2	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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