InLine 33055I headphone amplifier vs InLine Bluetooth 5.0 USB Adapter

Comparison of 33055I, 41322I

26 specifications	A InLine 33055I headphone amplifier Model 33055I View product	B InLine Bluetooth 5.0 USB Adapter Model 41322I View product
Audioidentical
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)Known for one	90 dB	—Unknown — not stated by the source
Audio D/A Converter (DAC)Known for one	24-bit/96kHz	—Unknown — not stated by the source
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 & interfacesidentical
Headphone connectivityKnown for one	3.5mm	—Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	—Unknown — not stated by the source
Technical detailsidentical
LED indicatorsKnown for one	Charging, Power	—Unknown — not stated by the source
Product colour	Black	Black
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
Poweridentical
Power sourceKnown for one	Battery	—Unknown — not stated by the source
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
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	15 mm
DepthKnown for one	—Unknown — not stated by the source	13 mm
HeightKnown for one	—Unknown — not stated by the source	5 mm
WeightKnown for one	—Unknown — not stated by the source	1 g
Package depthKnown for one	—Unknown — not stated by the source	115 mm
Package heightKnown for one	—Unknown — not stated by the source	5 mm
Package weightKnown for one	—Unknown — not stated by the source	10 g
Package widthKnown for one	—Unknown — not stated by the source	100 mm
System requirementsidentical
Windows operating systems supportedKnown for one	—Unknown — not stated by the source	Windows 10, Windows 7, Windows 8

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.