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Product comparison · 2 headphone amplifiers

ASUS Xonar Essence STU vs InLine 33055I headphone amplifier

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  • 8specifications compared
  • 6differ
  • 2identical
  • 15known for one product only

Key differences

The InLine 33055I headphone amplifier has 0.04964% more total Harmonic Distortion (THD) than the ASUS Xonar Essence STU (0.05% vs 0.00036%). The ASUS Xonar Essence STU has 30 dB more Signal-to-Noise Ratio (SNR) than the InLine 33055I headphone amplifier (120 dB vs 90 dB). The ASUS Xonar Essence STU has 2.8 mm more headphone connectivity than the InLine 33055I headphone amplifier (6.3mm vs 3.5mm). Frequency range: 10 - 48000 Hz on the ASUS Xonar Essence STU, 20 - 20000 Hz on the InLine 33055I headphone amplifier. Power source: AC on the ASUS Xonar Essence STU, Battery on the InLine 33055I headphone amplifier.

  • Total Harmonic Distortion (THD)
    • 0.00036%
    • 0.05%
  • Signal-to-Noise Ratio (SNR)
    • 120 dB
    • 90 dB
  • Frequency range
    • 10 - 48000 Hz
    • 20 - 20000 Hz
  • Headphone connectivity
    • 6.3mm
    • 3.5mm
  • Power source
    • AC
    • Battery
  • Cables included
    • AC, USB
    • Micro-USB

Side by side

Differences highlightedShow differences only
23 specifications
A

ASUS

Xonar Essence STUView product
B

InLine

33055I headphone amplifier

Model 33055I

View product
Audio3 differ
Peak power per channelKnown for one0.09 W
Total Harmonic Distortion (THD)Differs0.00036%0.05%
Signal-to-Noise Ratio (SNR)Differs120 dB90 dB
Audio D/A Converter (DAC)Known for one24-bit/96kHz
Output impedanceKnown for one100 Ω
Frequency rangeDiffers10 - 48000 Hz20 - 20000 Hz
Ports & interfaces1 differ
Headphone connectivityDiffers6.3mm3.5mm
USB 2.0 ports quantity11
Line-outKnown for oneYes
S/PDIF in portKnown for oneYes
AUX inKnown for oneYes
DC-in jackKnown for oneYes
Technical detailsidentical
LED indicatorsKnown for oneCharging, Power
Product colourBlackBlack
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 sourceDiffersACBattery
USB poweredKnown for oneYes
AC input voltageKnown for one90-264, 12 V
Power consumption (typical)Known for one12 W
Packaging content1 differ
Cables includedDiffersAC, USBMicro-USB

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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