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Product comparison · 2 headphone amplifiers

InLine 33055I headphone amplifier vs InLine AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit

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  • 7specifications compared
  • 6differ
  • 1identical
  • 13known for one product only

Key differences

  • Peak power per channel
    • 0.09 W
    • 0.21 W
  • Signal-to-Noise Ratio (SNR)
    • 90 dB
    • 110 dB
  • Audio D/A Converter (DAC)
    • 24-bit/96kHz
    • 32-bit/384kHz
  • LED indicators
    • Charging, Power
    • Yes
  • Product colour
    • Black
    • Metallic, Aluminium
  • Power source
    • Battery
    • AC

Side by side

Differences highlightedShow differences only
20 specifications
A

InLine

33055I headphone amplifier

Model 33055I

View product
B

InLine

AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit

Model 99202I

View product
Audio3 differ
Peak power per channelDiffers0.09 W0.21 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
USB 2.0 ports quantityKnown for one1
S/PDIF out portKnown for oneYes
Technical details2 differ
LED indicatorsDiffersCharging, PowerYes
Product colourDiffersBlackMetallic, Aluminium
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 sourceDiffersBatteryAC
USB poweredKnown for oneYes
Packaging contentidentical
Cables includedKnown for oneMicro-USB
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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