Product comparison · 2 headphone amplifiers

InLine AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit vs InLine 99203I headphone amplifier 24-bit/192kHz Black, Grey

Key differences

Audio D/A Converter (DAC)
- AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit:32-bit/384kHz
- 99203I headphone amplifier 24-bit/192kHz Black, Grey:24-bit/192kHz
Headphone connectivity
- AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit:3.5mm
- 99203I headphone amplifier 24-bit/192kHz Black, Grey:3.5mm / 6.3mm
Product colour
- AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit:Metallic, Aluminium
- 99203I headphone amplifier 24-bit/192kHz Black, Grey:Black, Grey
Power source
- AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit:AC
- 99203I headphone amplifier 24-bit/192kHz Black, Grey:DC

Differences highlightedShow differences only

Comparison of 99202I, 99203I
12 specifications	A InLine AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit Model 99202I View product	B InLine 99203I headphone amplifier 24-bit/192kHz Black, Grey Model 99203I View product
Audio1 differ
Peak power per channelKnown for one	0.21 W	Unknown — not stated by the source
Signal-to-Noise Ratio (SNR)	110 dB	110 dB
Audio D/A Converter (DAC)Differs	32-bit/384kHz	24-bit/192kHz
Adjustable volumeKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
Headphone connectivityDiffers	3.5mm	3.5mm / 6.3mm
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
DC-in jackKnown for one	Unknown — not stated by the source	Yes
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Technical details1 differ
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Product colourDiffers	Metallic, Aluminium	Black, Grey
Power1 differ
Power sourceDiffers	AC	DC
System requirementsidentical
Mac operating systems supportedKnown for one	Mac 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	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.