Product comparison · 2 headphone amplifiers

InLine Bass Boosting Dual Output Headpones Amplifier vs InLine AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit

4specifications compared
2differ
2identical
16known for one product only

Key differences

Signal-to-Noise Ratio (SNR)
- Bass Boosting Dual Output Headpones Amplifier:90 dB
- AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit:110 dB
Product colour
- Bass Boosting Dual Output Headpones Amplifier:Black
- AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit:Metallic, Aluminium

Side by side

Differences highlightedShow differences only

Comparison of 33057I, 99202I
20 specifications	A InLine Bass Boosting Dual Output Headpones Amplifier Model 33057I View product	B InLine AmpUSB Hi-Res AUDIO HiFi DSD USB Audio DAC, Headphone amp., 384kHz/32bit Model 99202I View product
Audio1 differ
Signal-to-Noise Ratio (SNR)Differs	90 dB	110 dB
Adjustable volume	Yes	Yes
Peak power per channelKnown for one	Unknown — not stated by the source	0.21 W
Audio D/A Converter (DAC)Known for one	Unknown — not stated by the source	32-bit/384kHz
Ports & interfacesidentical
Headphone connectivity	3.5mm	3.5mm
Line-outKnown for one	Yes	Unknown — not stated by the source
Audio (L/R) inKnown for one	1	Unknown — not stated by the source
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Technical details1 differ
Package volumeKnown for one	1000 cm³	Unknown — not stated by the source
Product colourDiffers	Black	Metallic, Aluminium
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Battery capacityKnown for one	200 mAh	Unknown — not stated by the source
Battery lifeKnown for one	8 h	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	63 g	Unknown — not stated by the source
Package depthKnown for one	178 mm	Unknown — not stated by the source
Package heightKnown for one	40 mm	Unknown — not stated by the source
Package weightKnown for one	125 g	Unknown — not stated by the source
Package widthKnown for one	145 mm	Unknown — not stated by the source
Poweridentical
Power sourceKnown for one	Unknown — not stated by the source	AC
System requirementsidentical
Mac operating systems supportedKnown for one	Unknown — not stated by the source	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

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.

More headphone amplifier comparisons

All headphone amplifier comparisons