Product comparison · 2 speakerphones

Dahua Technology DH-VCS-SH30 speakerphone Universal White vs Lenovo EXPAND 30 +

6specifications compared
5differ
1identical
37known for one product only

Key differences

Product colour
- DH-VCS-SH30 speakerphone Universal White:White
- EXPAND 30 +:Black, Silver
Maximum operating distance
- DH-VCS-SH30 speakerphone Universal White:8 m
- EXPAND 30 +:25 m
Microphone frequency
- DH-VCS-SH30 speakerphone Universal White:50 - 12000 Hz
- EXPAND 30 +:150 - 7500 Hz
Number of microphones
- DH-VCS-SH30 speakerphone Universal White:1
- EXPAND 30 +:2
Power source type
- DH-VCS-SH30 speakerphone Universal White:PoE
- EXPAND 30 +:Battery, USB

Side by side

Differences highlightedShow differences only

Comparison of DH-VCS-SH30, EXPAND 30 +
43 specifications	A Dahua Technology DH-VCS-SH30 speakerphone Universal White Model DH-VCS-SH30 View product	B Lenovo EXPAND 30 +View product
Features2 differ
Device type	Universal	Universal
Product colourDiffers	White	Black, Silver
Audio formats supportedKnown for one	G.711, G.711 A-law, G.711 μ-law, G.722, MP3	Unknown — not stated by the source
Maximum operating distanceDiffers	8 m	25 m
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MicroSD (TransFlash)	Unknown — not stated by the source
Signal-to-Noise Ratio (SNR)Known for one	75 dB	Unknown — not stated by the source
International Protection (IP) codeKnown for one	IP67	Unknown — not stated by the source
CertificationKnown for one	EMC EN 55032 Class B, EN 50121-4, IEC 62236-4, EN 55024, EN 61000-6-1, EN 61000-6-2, FCC Part 15 Subpart B Class B, ICES-3(B)/NMB-3(B), VCCI Class B, RCM AS/ NZS CISPR 32 Class B, KC KN32 Class B, KC KN35 Safety IEC/EN/UL 62368-1, IEC/EN/UL 60950-22 Environment IEC/EN 60529 IP67, IEC 60068-2-1, IEC	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	120 dB	Unknown — not stated by the source
Operating frequencyKnown for one	250 - 16000 MHz	Unknown — not stated by the source
Output powerKnown for one	15 W	Unknown — not stated by the source
ImpedanceKnown for one	8 Ω	Unknown — not stated by the source
Frequency rangeKnown for one	Unknown — not stated by the source	100 - 20000 Hz
Microphone2 differ
Microphone frequencyDiffers	50 - 12000 Hz	150 - 7500 Hz
Number of microphonesDiffers	1	2
Microphone direction typeKnown for one	Unknown — not stated by the source	Omnidirectional
Microphone muteKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power source typeDiffers	PoE	Battery, USB
Talk timeKnown for one	Unknown — not stated by the source	18 h
Battery recharge timeKnown for one	Unknown — not stated by the source	3.33 h
Operational conditionsidentical
Operating temperature (T-T)Known for one	-40 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	60 - 95%	Unknown — not stated by the source
Batteryidentical
Battery weightKnown for one	1.8 kg	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	170 mm	Unknown — not stated by the source
DepthKnown for one	225 mm	Unknown — not stated by the source
HeightKnown for one	250 mm	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	200 mm	Unknown — not stated by the source
Package depthKnown for one	240 mm	Unknown — not stated by the source
Package heightKnown for one	275 mm	Unknown — not stated by the source
Package weightKnown for one	2.5 kg	Unknown — not stated by the source
Packaging contentidentical
QuantityKnown for one	1	Unknown — not stated by the source
Ports & interfacesidentical
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
USB connector typeKnown for one	Unknown — not stated by the source	USB Type-C

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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