Product comparison · 2 headphone amplifiers

InLine 33055I headphone amplifier vs InLine AmpEQ Tri-Tone Hi-Res AUDIO Pre- & Headphone-Amp

3specifications compared
1differ
2identical
28known for one product only

Key differences

Product colour: Black on the InLine 33055I headphone amplifier, Silver on the InLine AmpEQ Tri-Tone Hi-Res AUDIO Pre- & Headphone-Amp.

Product colour
- 33055I headphone amplifier:Black
- AmpEQ Tri-Tone Hi-Res AUDIO Pre- & Headphone-Amp:Silver

Side by side

Differences highlightedShow differences only

Comparison of 33055I, 99201I
31 specifications	A InLine 33055I headphone amplifier Model 33055I View product	B InLine AmpEQ Tri-Tone Hi-Res AUDIO Pre- & Headphone-Amp Model 99201I 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
Adjustable volumeKnown for one	Unknown — not stated by the source	Yes
Treble adjustmentKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
Headphone connectivity	3.5mm	3.5mm
USB 2.0 ports quantity	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Audio (L/R) inKnown for one	Unknown — not stated by the source	2
Technical details1 differ
LED indicatorsKnown for one	Charging, Power	Unknown — not stated by the source
Product colourDiffers	Black	Silver
Package volumeKnown for one	Unknown — not stated by the source	1800 cm³
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	38 mm
DepthKnown for one	Unknown — not stated by the source	116 mm
HeightKnown for one	Unknown — not stated by the source	48 mm
WeightKnown for one	Unknown — not stated by the source	290 g
Package depthKnown for one	Unknown — not stated by the source	172 mm
Package heightKnown for one	Unknown — not stated by the source	73 mm
Package weightKnown for one	Unknown — not stated by the source	399 g
Package widthKnown for one	Unknown — not stated by the source	142 mm

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