All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 speakerphones

Lenovo EXPAND 30 + vs Yamaha PJP-20UR speakerphone PC USB 2.0 Black

Add a product
  • 8specifications compared
  • 8differ
  • 0identical
  • 31known for one product only

Key differences

The Yamaha PJP-20UR speakerphone PC USB 2.0 Black has 200 - 20000 Hz more frequency range than the Lenovo EXPAND 30 + (300 - 20000 Hz vs 100 - 20000 Hz). The Yamaha PJP-20UR speakerphone PC USB 2.0 Black has 1 more microphones than the Lenovo EXPAND 30 + (3 vs 2). Device type: Universal on the Lenovo EXPAND 30 +, PC on the Yamaha PJP-20UR speakerphone PC USB 2.0 Black. Product colour: Black, Silver on the Lenovo EXPAND 30 +, Black on the Yamaha PJP-20UR speakerphone PC USB 2.0 Black. Interface: USB/Bluetooth on the Lenovo EXPAND 30 +, USB 2.0 on the Yamaha PJP-20UR speakerphone PC USB 2.0 Black.

  • Device type
    • Universal
    • PC
  • Product colour
    • Black, Silver
    • Black
  • Frequency range
    • 100 - 20000 Hz
    • 300 - 20000 Hz
  • Number of microphones
    • 2
    • 3
  • Interface
    • USB/Bluetooth
    • USB 2.0
  • Connectivity technology
    • Wired & Wireless
    • Wired
  • Power source type
    • Battery, USB
    • USB

Side by side

Differences highlightedShow differences only
39 specifications
A

Lenovo

EXPAND 30 +View product
B

Yamaha

PJP-20UR speakerphone PC USB 2.0 Black

Model PJP-20UR

View product
Features3 differ
Device typeDiffersUniversalPC
Product colourDiffersBlack, SilverBlack
Noise reductionKnown for oneYes
Echo cancellationKnown for oneYes
Control typeKnown for oneButtons
Windows operating systems supportedDiffersYesWindows 2000, Windows 7, Windows 8, Windows 8.1, Windows Vista, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
CertificationKnown for oneVCCI Class B
AutoKnown for oneNo
Maximum operating distanceKnown for one25 m
LED indicatorsKnown for oneYes
Plug and PlayKnown for oneYes
Mac operating systems supportedKnown for oneYes
Loudspeakers1 differ
SensitivityKnown for one85 dB
Frequency rangeDiffers100 - 20000 Hz300 - 20000 Hz
Microphone1 differ
Number of microphonesDiffers23
Microphone direction typeKnown for oneOmnidirectional
Microphone frequencyKnown for one150 - 7500 Hz
Microphone muteKnown for oneYes
Ports & interfaces2 differ
InterfaceDiffersUSB/BluetoothUSB 2.0
Connectivity technologyDiffersWired & WirelessWired
USB 2.0 ports quantityKnown for one1
BluetoothKnown for oneYes
Bluetooth profilesKnown for oneA2DP, AVRCP, DI, HFP, HSP
Bluetooth versionKnown for one5.0
USB connector typeKnown for oneUSB Type-C
Power1 differ
Power source typeDiffersBattery, USBUSB
Power consumption (typical)Known for one2.5 W
Input voltageKnown for one5 V
CurrentKnown for one0.5 A
Talk timeKnown for one18 h
Battery recharge timeKnown for one3.33 h
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one20 - 85%
Weight & dimensionsidentical
WidthKnown for one160 mm
DepthKnown for one149 mm
HeightKnown for one33 mm
WeightKnown for one290 g
Packaging contentidentical
Cables includedKnown for oneUSB
Quick start guideKnown for oneYes

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.

More speakerphone comparisons

All speakerphone comparisons