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Product comparison · 2 headphone amplifiers

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

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  • 5specifications compared
  • 4differ
  • 1identical
  • 24known for one product only

Key differences

The InLine AmpUSB, Hi-Res AUDIO HiFi DSD USB Audio DAC, Vacuum Tube amplifier has 20 dB more Signal-to-Noise Ratio (SNR) than the InLine 33055I headphone amplifier (110 dB vs 90 dB). Audio D/A Converter (DAC): 24-bit/96kHz on the InLine 33055I headphone amplifier, 32-bit/384kHz on the InLine AmpUSB, Hi-Res AUDIO HiFi DSD USB Audio DAC, Vacuum Tube amplifier. Product colour: Black on the InLine 33055I headphone amplifier, Silver on the InLine AmpUSB, Hi-Res AUDIO HiFi DSD USB Audio DAC, Vacuum Tube amplifier. Power source: Battery on the InLine 33055I headphone amplifier, USB on the InLine AmpUSB, Hi-Res AUDIO HiFi DSD USB Audio DAC, Vacuum Tube amplifier.

  • Signal-to-Noise Ratio (SNR)
    • 90 dB
    • 110 dB
  • Audio D/A Converter (DAC)
    • 24-bit/96kHz
    • 32-bit/384kHz
  • Product colour
    • Black
    • Silver
  • Power source
    • Battery
    • USB

Side by side

Differences highlightedShow differences only
29 specifications
A

InLine

33055I headphone amplifier

Model 33055I

View product
B

InLine

AmpUSB, Hi-Res AUDIO HiFi DSD USB Audio DAC, Vacuum Tube amplifier

Model 99206I

View product
Audio2 differ
Peak power per channelKnown for one0.09 W
Total Harmonic Distortion (THD)Known for one0.05%
Signal-to-Noise Ratio (SNR)Differs90 dB110 dB
Audio D/A Converter (DAC)Differs24-bit/96kHz32-bit/384kHz
Output impedanceKnown for one100 Ω
Frequency rangeKnown for one20 - 20000 Hz
Adjustable volumeKnown for oneYes
Ports & interfacesidentical
Headphone connectivity3.5mm3.5mm
USB 2.0 ports quantityKnown for one1
S/PDIF out portKnown for oneYes
Technical details1 differ
LED indicatorsKnown for oneCharging, Power
Product colourDiffersBlackSilver
Package volumeKnown for one1800 cm³
Batteryidentical
Battery technologyKnown for oneLithium Polymer (LiPo)
Number of batteries supportedKnown for one1
Battery lifeKnown for one8 h
Charging timeKnown for one1 h
Power1 differ
Power sourceDiffersBatteryUSB
USB poweredKnown for oneYes
Packaging contentidentical
Cables includedKnown for oneMicro-USB
Weight & dimensionsidentical
WidthKnown for one81 mm
DepthKnown for one110 mm
HeightKnown for one80 mm
WeightKnown for one285 g
Package depthKnown for one172 mm
Package heightKnown for one72 mm
Package weightKnown for one772 g
Package widthKnown for one142 mm
System requirementsidentical
Mac operating systems supportedKnown for oneMac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks, Mac OS X 11.0 Big Sur

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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