Product comparison · 2 headphone amplifiers

InLine 33054I headphone amplifier 24-bit/192kHz White vs InLine 33055I headphone amplifier

Key differences

Signal-to-Noise Ratio (SNR)
- 33054I headphone amplifier 24-bit/192kHz White:110 dB
- 33055I headphone amplifier:90 dB
Audio D/A Converter (DAC)
- 33054I headphone amplifier 24-bit/192kHz White:24-bit/192kHz
- 33055I headphone amplifier:24-bit/96kHz
Headphone connectivity
- 33054I headphone amplifier 24-bit/192kHz White:3.5mm / 6.3mm
- 33055I headphone amplifier:3.5mm
Product colour
- 33054I headphone amplifier 24-bit/192kHz White:White
- 33055I headphone amplifier:Black
Power source
- 33054I headphone amplifier 24-bit/192kHz White:AC
- 33055I headphone amplifier:Battery

Differences highlightedShow differences only

Comparison of 33054I, 33055I
19 specifications	A InLine 33054I headphone amplifier 24-bit/192kHz White Model 33054I View product	B InLine 33055I headphone amplifier Model 33055I View product
Audio2 differ
Peak power per channelKnown for one	Unknown — not stated by the source	0.09 W
Total Harmonic Distortion (THD)Known for one	Unknown — not stated by the source	0.05%
Signal-to-Noise Ratio (SNR)Differs	110 dB	90 dB
Audio D/A Converter (DAC)Differs	24-bit/192kHz	24-bit/96kHz
Output impedanceKnown for one	Unknown — not stated by the source	100 Ω
Frequency rangeKnown for one	Unknown — not stated by the source	20 - 20000 Hz
Ports & interfaces1 differ
Headphone connectivityDiffers	3.5mm / 6.3mm	3.5mm
USB 2.0 ports quantity	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Technical details1 differ
LED indicatorsKnown for one	Unknown — not stated by the source	Charging, Power
Product colourDiffers	White	Black
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
Number of batteries supportedKnown for one	Unknown — not stated by the source	1
Battery lifeKnown for one	Unknown — not stated by the source	8 h
Charging timeKnown for one	Unknown — not stated by the source	1 h
Power1 differ
Power sourceDiffers	AC	Battery
USB poweredKnown for one	Unknown — not stated by the source	Yes
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	Micro-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.