Product comparison · 2 speakerphones

Dahua Technology DH-VCS-SH30 speakerphone Universal White vs Yamaha PJP-20UR speakerphone PC USB 2.0 Black

11specifications compared
11differ
0identical
30known for one product only

Key differences

The Dahua Technology DH-VCS-SH30 speakerphone Universal White has 35 dB more sensitivity than the Yamaha PJP-20UR speakerphone PC USB 2.0 Black (120 dB vs 85 dB). The Yamaha PJP-20UR speakerphone PC USB 2.0 Black has 2 more microphones than the Dahua Technology DH-VCS-SH30 speakerphone Universal White (3 vs 1). The Dahua Technology DH-VCS-SH30 speakerphone Universal White has 10 mm more width than the Yamaha PJP-20UR speakerphone PC USB 2.0 Black (170 mm vs 160 mm). Device type: Universal on the Dahua Technology DH-VCS-SH30 speakerphone Universal White, PC on the Yamaha PJP-20UR speakerphone PC USB 2.0 Black. Product colour: White on the Dahua Technology DH-VCS-SH30 speakerphone Universal White, Black on the Yamaha PJP-20UR speakerphone PC USB 2.0 Black.

Device type
- DH-VCS-SH30 speakerphone Universal White:Universal
- PJP-20UR speakerphone PC USB 2.0 Black:PC
Product colour
- DH-VCS-SH30 speakerphone Universal White:White
- PJP-20UR speakerphone PC USB 2.0 Black:Black
Sensitivity
- DH-VCS-SH30 speakerphone Universal White:120 dB
- PJP-20UR speakerphone PC USB 2.0 Black:85 dB
Number of microphones
- DH-VCS-SH30 speakerphone Universal White:1
- PJP-20UR speakerphone PC USB 2.0 Black:3
Power source type
- DH-VCS-SH30 speakerphone Universal White:PoE
- PJP-20UR speakerphone PC USB 2.0 Black:USB
Operating temperature (T-T)
- DH-VCS-SH30 speakerphone Universal White:-40 - 60 °C
- PJP-20UR speakerphone PC USB 2.0 Black:0 - 40 °C
Operating relative humidity (H-H)
- DH-VCS-SH30 speakerphone Universal White:60 - 95%
- PJP-20UR speakerphone PC USB 2.0 Black:20 - 85%
Width
- DH-VCS-SH30 speakerphone Universal White:170 mm
- PJP-20UR speakerphone PC USB 2.0 Black:160 mm

Side by side

Differences highlightedShow differences only

Comparison of DH-VCS-SH30, PJP-20UR
41 specifications	A Dahua Technology DH-VCS-SH30 speakerphone Universal White Model DH-VCS-SH30 View product	B Yamaha PJP-20UR speakerphone PC USB 2.0 Black Model PJP-20UR View product
Features3 differ
Device typeDiffers	Universal	PC
Product colourDiffers	White	Black
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
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	VCCI Class B
Noise reductionKnown for one	Unknown — not stated by the source	Yes
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
Control typeKnown for one	Unknown — not stated by the source	Buttons
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 2000, Windows 7, Windows 8, Windows 8.1, Windows Vista, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Loudspeakers1 differ
SensitivityDiffers	120 dB	85 dB
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	300 - 20000 Hz
Microphone1 differ
Microphone frequencyKnown for one	50 - 12000 Hz	Unknown — not stated by the source
Number of microphonesDiffers	1	3
Power1 differ
Power source typeDiffers	PoE	USB
Power consumption (typical)Known for one	Unknown — not stated by the source	2.5 W
Input voltageKnown for one	Unknown — not stated by the source	5 V
CurrentKnown for one	Unknown — not stated by the source	0.5 A
Operational conditions2 differ
Operating temperature (T-T)Differs	-40 - 60 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	60 - 95%	20 - 85%
Batteryidentical
Battery weightKnown for one	1.8 kg	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	170 mm	160 mm
DepthDiffers	225 mm	149 mm
HeightDiffers	250 mm	33 mm
WeightKnown for one	Unknown — not stated by the source	290 g
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
Cables includedKnown for one	Unknown — not stated by the source	USB
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
InterfaceKnown for one	Unknown — not stated by the source	USB 2.0
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1

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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