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Product comparison · 2 headphone amplifiers

InLine 33055I headphone amplifier vs Oppo HA-1 32-bit/384kHz Black

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  • 4specifications compared
  • 3differ
  • 1identical
  • 23known for one product only

Key differences

The Oppo HA-1 32-bit/384kHz Black has 2.8 mm more headphone connectivity than the InLine 33055I headphone amplifier (6.3mm vs 3.5mm). Audio D/A Converter (DAC): 24-bit/96kHz on the InLine 33055I headphone amplifier, 32-bit/384kHz on the Oppo HA-1 32-bit/384kHz Black. Power source: Battery on the InLine 33055I headphone amplifier, AC on the Oppo HA-1 32-bit/384kHz Black.

  • Audio D/A Converter (DAC)
    • 24-bit/96kHz
    • 32-bit/384kHz
  • Headphone connectivity
    • 3.5mm
    • 6.3mm
  • Power source
    • Battery
    • AC

Side by side

Differences highlightedShow differences only
27 specifications
A

InLine

33055I headphone amplifier

Model 33055I

View product
B

Oppo

HA-1 32-bit/384kHz Black

Model HA-1

View product
Audio1 differ
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)Differs24-bit/96kHz32-bit/384kHz
Output impedanceKnown for one100 Ω
Frequency rangeKnown for one20 - 20000 Hz
Ports & interfaces1 differ
Headphone connectivityDiffers3.5mm6.3mm
USB 2.0 ports quantityKnown for one1
Audio (L/R) inKnown for one1
DC-in jackKnown for oneNo
Technical detailsidentical
LED indicatorsKnown for oneCharging, Power
Product colourBlackBlack
Pre-out connectivityKnown for oneYes
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
AC input frequencyKnown for one50 - 60 Hz
Power consumption (typical)Known for one70 W
Packaging contentidentical
Cables includedKnown for oneMicro-USB
Remote control includedKnown for oneYes
Weight & dimensionsidentical
WidthKnown for one254 mm
DepthKnown for one333 mm
HeightKnown for one91 mm
WeightKnown for one5.9 kg

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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