Product comparison · 2 headphone amplifiers

InLine 33055I headphone amplifier vs InLine 99203I headphone amplifier 24-bit/192kHz Black, Grey

Key differences

Signal-to-Noise Ratio (SNR)
- 33055I headphone amplifier:90 dB
- 99203I headphone amplifier 24-bit/192kHz Black, Grey:110 dB
Audio D/A Converter (DAC)
- 33055I headphone amplifier:24-bit/96kHz
- 99203I headphone amplifier 24-bit/192kHz Black, Grey:24-bit/192kHz
Headphone connectivity
- 33055I headphone amplifier:3.5mm
- 99203I headphone amplifier 24-bit/192kHz Black, Grey:3.5mm / 6.3mm
Product colour
- 33055I headphone amplifier:Black
- 99203I headphone amplifier 24-bit/192kHz Black, Grey:Black, Grey
Power source
- 33055I headphone amplifier:Battery
- 99203I headphone amplifier 24-bit/192kHz Black, Grey:DC

Differences highlightedShow differences only

Comparison of 33055I, 99203I
18 specifications	A InLine 33055I headphone amplifier Model 33055I View product	B InLine 99203I headphone amplifier 24-bit/192kHz Black, Grey Model 99203I View product
Audio2 differ
Peak power per channelKnown for one	0.09 W	Unknown — not stated by the source
Total Harmonic Distortion (THD)Known for one	0.05%	Unknown — not stated by the source
Signal-to-Noise Ratio (SNR)Differs	90 dB	110 dB
Audio D/A Converter (DAC)Differs	24-bit/96kHz	24-bit/192kHz
Output impedanceKnown for one	100 Ω	Unknown — not stated by the source
Frequency rangeKnown for one	20 - 20000 Hz	Unknown — not stated by the source
Ports & interfaces1 differ
Headphone connectivityDiffers	3.5mm	3.5mm / 6.3mm
USB 2.0 ports quantity	1	1
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Technical details1 differ
LED indicatorsKnown for one	Charging, Power	Unknown — not stated by the source
Product colourDiffers	Black	Black, Grey
Batteryidentical
Battery technologyKnown for one	Lithium Polymer (LiPo)	Unknown — not stated by the source
Number of batteries supportedKnown for one	1	Unknown — not stated by the source
Battery lifeKnown for one	8 h	Unknown — not stated by the source
Charging timeKnown for one	1 h	Unknown — not stated by the source
Power1 differ
Power sourceDiffers	Battery	DC
USB poweredKnown for one	Yes	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Micro-USB	Unknown — not stated by the source

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.