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Product comparison · 2 headphone amplifiers

InLine 33055I headphone amplifier vs InLine AmpUSB-EQ, Hi-Res AUDIO HiFi DSD USB Audio DAC

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  • 4specifications compared
  • 3differ
  • 1identical
  • 29known for one product only

Key differences

Headphone connectivity: 3.5mm on the InLine 33055I headphone amplifier, 3.5 mm/6.35 mm on the InLine AmpUSB-EQ, Hi-Res AUDIO HiFi DSD USB Audio DAC. LED indicators: Charging, Power on the InLine 33055I headphone amplifier, Status on the InLine AmpUSB-EQ, Hi-Res AUDIO HiFi DSD USB Audio DAC. Cables included: Micro-USB on the InLine 33055I headphone amplifier, USB on the InLine AmpUSB-EQ, Hi-Res AUDIO HiFi DSD USB Audio DAC.

  • Headphone connectivity
    • 3.5mm
    • 3.5 mm/6.35 mm
  • LED indicators
    • Charging, Power
    • Status
  • Cables included
    • Micro-USB
    • USB

Side by side

Differences highlightedShow differences only
33 specifications
A

InLine

33055I headphone amplifier

Model 33055I

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B

InLine

AmpUSB-EQ, Hi-Res AUDIO HiFi DSD USB Audio DAC

Model 99207I

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Audioidentical
EqualizerKnown for oneYes
Treble adjustmentKnown for oneYes
Peak power per channelKnown for one0.09 W
Total Harmonic Distortion (THD)Known for one0.05%
Signal-to-Noise Ratio (SNR)Known for one90 dB
Audio D/A Converter (DAC)Known for one24-bit/96kHz
Output impedanceKnown for one100 Ω
Frequency rangeKnown for one20 - 20000 Hz
Ports & interfaces1 differ
Headphone connectivityDiffers3.5mm3.5 mm/6.35 mm
Line-outKnown for oneYes
Audio (L/R) inKnown for one1
DC-in jackKnown for oneYes
USB 2.0 ports quantityKnown for one1
Technical details1 differ
LED indicatorsDiffersCharging, PowerStatus
Product colourBlackBlack
Weight & dimensionsidentical
WidthKnown for one112 mm
DepthKnown for one94 mm
HeightKnown for one45 mm
WeightKnown for one282 g
Package depthKnown for one235 mm
Package heightKnown for one82 mm
Package weightKnown for one855 g
Package widthKnown for one222 mm
Packaging content1 differ
Cables includedDiffersMicro-USBUSB
ManualKnown for oneYes
System requirementsidentical
Mac operating systems supportedKnown for oneYes
Windows operating systems supportedKnown for oneWindows 10, Windows 7, Windows 8, Windows 8.1
Batteryidentical
Battery technologyKnown for oneLithium Polymer (LiPo)
Number of batteries supportedKnown for one1
Battery lifeKnown for one8 h
Charging timeKnown for one1 h
Poweridentical
Power sourceKnown for oneBattery
USB poweredKnown 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.

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