Product comparison · 2 speakerphones

Dahua Technology DH-VCS-SH30 speakerphone Universal White vs Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black

18specifications compared
18differ
0identical
29known for one product only

Key differences

The Dahua Technology DH-VCS-SH30 speakerphone Universal White has 39 dB more sensitivity than the Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black (120 dB vs 81 dB). The Dahua Technology DH-VCS-SH30 speakerphone Universal White has 5 Ω more impedance than the Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black (8 Ω vs 3 Ω). The Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black has 7 more microphones than the Dahua Technology DH-VCS-SH30 speakerphone Universal White (8 vs 1). Device type: Universal on the Dahua Technology DH-VCS-SH30 speakerphone Universal White, PC on the Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black. Product colour: White on the Dahua Technology DH-VCS-SH30 speakerphone Universal White, Black on the Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black.

Device type
- DH-VCS-SH30 speakerphone Universal White:Universal
- 4Y71Q47766 speakerphone PC Bluetooth Black:PC
Product colour
- DH-VCS-SH30 speakerphone Universal White:White
- 4Y71Q47766 speakerphone PC Bluetooth Black:Black
International Protection (IP) code
- DH-VCS-SH30 speakerphone Universal White:IP67
- 4Y71Q47766 speakerphone PC Bluetooth Black:IP54
Sensitivity
- DH-VCS-SH30 speakerphone Universal White:120 dB
- 4Y71Q47766 speakerphone PC Bluetooth Black:81 dB
Impedance
- DH-VCS-SH30 speakerphone Universal White:8 Ω
- 4Y71Q47766 speakerphone PC Bluetooth Black:3 Ω
Microphone frequency
- DH-VCS-SH30 speakerphone Universal White:50 - 12000 Hz
- 4Y71Q47766 speakerphone PC Bluetooth Black:150 - 7000 Hz
Number of microphones
- DH-VCS-SH30 speakerphone Universal White:1
- 4Y71Q47766 speakerphone PC Bluetooth Black:8
Power source type
- DH-VCS-SH30 speakerphone Universal White:PoE
- 4Y71Q47766 speakerphone PC Bluetooth Black:Battery

Side by side

Differences highlightedShow differences only

Comparison of DH-VCS-SH30, 4Y71Q47766
47 specifications	A Dahua Technology DH-VCS-SH30 speakerphone Universal White Model DH-VCS-SH30 View product	B Lenovo 4Y71Q47766 speakerphone PC Bluetooth Black Model 4Y71Q47766 View product
Features4 differ
Device typeDiffers	Universal	PC
AutoKnown for one	Unknown — not stated by the source	No
Product colourDiffers	White	Black
PortableKnown for one	Unknown — not stated by the source	Yes
Noise cancelingKnown for one	Unknown — not stated by the source	Yes
Cable lengthKnown for one	Unknown — not stated by the source	2 m
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
On/off switchKnown for one	Unknown — not stated by the source	Yes
International Protection (IP) codeDiffers	IP67	IP54
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
CertificationDiffers	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	BQB, CB, FCC ID, IC ID, CE RED, JRF, VCCI, NBTC, SIRIM, SRRC, NTC, IMDA, BIS, RCM, OFCA, WPC
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
Loudspeakers2 differ
SensitivityDiffers	120 dB	81 dB
Frequency rangeKnown for one	Unknown — not stated by the source	20 - 20000 Hz
ImpedanceDiffers	8 Ω	3 Ω
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
Microphone2 differ
Microphone frequencyDiffers	50 - 12000 Hz	150 - 7000 Hz
Number of microphonesDiffers	1	8
Ports & interfacesidentical
InterfaceKnown for one	Unknown — not stated by the source	Bluetooth
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired & Wireless
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	5.3
USB connector typeKnown for one	Unknown — not stated by the source	USB Type-C
Power1 differ
Power source typeDiffers	PoE	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 conditions2 differ
Operating temperature (T-T)Differs	-40 - 60 °C	0 - 60 °C
Operating relative humidity (H-H)Differs	60 - 95%	0 - 95%
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
Battery weightKnown for one	1.8 kg	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	170 mm	122.5 mm
DepthDiffers	225 mm	38.5 mm
HeightDiffers	250 mm	122.5 mm
WeightKnown for one	Unknown — not stated by the source	400 g
Packaging data4 differ
Package widthDiffers	200 mm	172 mm
Package depthDiffers	240 mm	161.5 mm
Package heightDiffers	275 mm	77 mm
Package weightDiffers	2.5 kg	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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