Product comparison · 2 headphone amplifiers

InLine USB Headset Amplifier with Equalizer and Optical OUT vs InLine 33055I headphone amplifier

9specifications compared
3differ
6identical
29known for one product only

Key differences

Output impedance: 16 - 100 Ω on the InLine USB Headset Amplifier with Equalizer and Optical OUT, 100 Ω on the InLine 33055I headphone amplifier. LED indicators: Yes on the InLine USB Headset Amplifier with Equalizer and Optical OUT, Charging, Power on the InLine 33055I headphone amplifier. Power source: USB on the InLine USB Headset Amplifier with Equalizer and Optical OUT, Battery on the InLine 33055I headphone amplifier.

Output impedance
- USB Headset Amplifier with Equalizer and Optical OUT:16 - 100 Ω
- 33055I headphone amplifier:100 Ω
LED indicators
- USB Headset Amplifier with Equalizer and Optical OUT:Yes
- 33055I headphone amplifier:Charging, Power
Power source
- USB Headset Amplifier with Equalizer and Optical OUT:USB
- 33055I headphone amplifier:Battery

Side by side

Differences highlightedShow differences only

Comparison of 33052A, 33055I
38 specifications	A InLine USB Headset Amplifier with Equalizer and Optical OUT Model 33052A View product	B InLine 33055I headphone amplifier Model 33055I View product
Audio1 differ
Maximum input powerKnown for one	120 mW	Unknown — not stated by the source
Output impedanceDiffers	16 - 100 Ω	100 Ω
Adjustable volumeKnown for one	Yes	Unknown — not stated by the source
EqualizerKnown for one	Yes	Unknown — not stated by the source
Bass boost technologyKnown for one	Yes	Unknown — not stated by the source
Treble adjustmentKnown for one	Yes	Unknown — not stated by the source
Audio decodersKnown for one	DTS, Dolby Digital	Unknown — not stated by the source
Audio formats supportedKnown for one	AC3	Unknown — not stated by the source
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%
Ports & interfacesidentical
Line-outKnown for one	Yes	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Technical details1 differ
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Cord lengthKnown for one	0.35 m	Unknown — not stated by the source
Doesn't containKnown for one	Lead	Unknown — not stated by the source
LED indicatorsDiffers	Yes	Charging, Power
Package volumeKnown for one	1000 cm³	Unknown — not stated by the source
Power1 differ
Power sourceDiffers	USB	Battery
Weight & dimensionsidentical
Package depthKnown for one	178 mm	Unknown — not stated by the source
Package heightKnown for one	39 mm	Unknown — not stated by the source
Package typeKnown for one	Hanging box	Unknown — not stated by the source
Package weightKnown for one	60 g	Unknown — not stated by the source
Package widthKnown for one	145 mm	Unknown — not stated by the source
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Software CDKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	Unknown — not stated by the source	Micro-USB
System requirementsidentical
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
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

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.

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