Product comparison · 2 speakerphones

Dahua Technology DH-VCS-SH30 speakerphone Universal White vs Lenovo 4XD1C82055 speakerphone PC USB Type-C Black

17specifications compared
15differ
2identical
29known for one product only

Key differences

The Dahua Technology DH-VCS-SH30 speakerphone Universal White has 35 dB more sensitivity than the Lenovo 4XD1C82055 speakerphone PC USB Type-C Black (120 dB vs 85 dB). The Dahua Technology DH-VCS-SH30 speakerphone Universal White has 12 W more output power than the Lenovo 4XD1C82055 speakerphone PC USB Type-C Black (15 W vs 3 W). The Dahua Technology DH-VCS-SH30 speakerphone Universal White has 4 Ω more impedance than the Lenovo 4XD1C82055 speakerphone PC USB Type-C Black (8 Ω vs 4 Ω). Device type: Universal on the Dahua Technology DH-VCS-SH30 speakerphone Universal White, PC on the Lenovo 4XD1C82055 speakerphone PC USB Type-C Black. Product colour: White on the Dahua Technology DH-VCS-SH30 speakerphone Universal White, Black on the Lenovo 4XD1C82055 speakerphone PC USB Type-C Black.

Device type
- DH-VCS-SH30 speakerphone Universal White:Universal
- 4XD1C82055 speakerphone PC USB Type-C Black:PC
Product colour
- DH-VCS-SH30 speakerphone Universal White:White
- 4XD1C82055 speakerphone PC USB Type-C Black:Black
Sensitivity
- DH-VCS-SH30 speakerphone Universal White:120 dB
- 4XD1C82055 speakerphone PC USB Type-C Black:85 dB
Output power
- DH-VCS-SH30 speakerphone Universal White:15 W
- 4XD1C82055 speakerphone PC USB Type-C Black:3 W
Impedance
- DH-VCS-SH30 speakerphone Universal White:8 Ω
- 4XD1C82055 speakerphone PC USB Type-C Black:4 Ω
Microphone frequency
- DH-VCS-SH30 speakerphone Universal White:50 - 12000 Hz
- 4XD1C82055 speakerphone PC USB Type-C Black:100 - 10000 Hz
Operating temperature (T-T)
- DH-VCS-SH30 speakerphone Universal White:-40 - 60 °C
- 4XD1C82055 speakerphone PC USB Type-C Black:5 - 40 °C
Operating relative humidity (H-H)
- DH-VCS-SH30 speakerphone Universal White:60 - 95%
- 4XD1C82055 speakerphone PC USB Type-C Black:0 - 95%

Side by side

Differences highlightedShow differences only

Comparison of DH-VCS-SH30, 4XD1C82055
46 specifications	A Dahua Technology DH-VCS-SH30 speakerphone Universal White Model DH-VCS-SH30 View product	B Lenovo 4XD1C82055 speakerphone PC USB Type-C Black Model 4XD1C82055 View product
Features2 differ
Device typeDiffers	Universal	PC
AutoKnown for one	Unknown — not stated by the source	Yes
Product colourDiffers	White	Black
Noise reductionKnown for one	Unknown — not stated by the source	Yes
Noise cancelingKnown for one	Unknown — not stated by the source	Yes
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
Automatic gain controlKnown for one	Unknown — not stated by the source	Yes
Cable lengthKnown for one	Unknown — not stated by the source	0.79 m
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Audio beamformingKnown for one	Unknown — not stated by the source	Yes
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 10
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 distanceKnown for one	8 m	Unknown — not stated by the source
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
Loudspeakers3 differ
SensitivityDiffers	120 dB	85 dB
Output powerDiffers	15 W	3 W
Frequency rangeKnown for one	Unknown — not stated by the source	140 - 20000 Hz
ImpedanceDiffers	8 Ω	4 Ω
Operating frequencyKnown for one	250 - 16000 MHz	Unknown — not stated by the source
Microphone1 differ
Microphone direction typeKnown for one	Unknown — not stated by the source	Omnidirectional
Microphone frequencyDiffers	50 - 12000 Hz	100 - 10000 Hz
Microphone sensitivityKnown for one	Unknown — not stated by the source	64 dB
Ports & interfacesidentical
InterfaceKnown for one	Unknown — not stated by the source	USB Type-C
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired
BluetoothKnown for one	Unknown — not stated by the source	No
Operational conditions2 differ
Operating temperature (T-T)Differs	-40 - 60 °C	5 - 40 °C
Operating relative humidity (H-H)Differs	60 - 95%	0 - 95%
Weight & dimensions3 differ
WidthDiffers	170 mm	90 mm
DepthDiffers	225 mm	90 mm
HeightDiffers	250 mm	49 mm
WeightKnown for one	Unknown — not stated by the source	265 g
Packaging data4 differ
Package widthDiffers	200 mm	125 mm
Package depthDiffers	240 mm	89 mm
Package heightDiffers	275 mm	129 mm
Package weightDiffers	2.5 kg	447 g
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	USB Type-C
Interface adapters includedKnown for one	Unknown — not stated by the source	USB Type-C female - USB Type-A male
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	85182900
Poweridentical
Power source typeKnown for one	PoE	Unknown — not stated by the source
Batteryidentical
Battery weightKnown for one	1.8 kg	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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