Product comparison · 2 headphone amplifiers

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

8specifications compared
5differ
3identical
24known for one product only

Key differences

The InLine 33055I headphone amplifier has 2 h more battery life than the InLine AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp (8 h vs 6 h). The InLine AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp has 1 h more charging time than the InLine 33055I headphone amplifier (2 h vs 1 h). Output impedance: 100 Ω on the InLine 33055I headphone amplifier, 16 - 600 Ω on the InLine AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp. Product colour: Black on the InLine 33055I headphone amplifier, Silver on the InLine AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp. Power source: Battery on the InLine 33055I headphone amplifier, USB on the InLine AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp.

Output impedance
- 33055I headphone amplifier:100 Ω
- AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp:16 - 600 Ω
Product colour
- 33055I headphone amplifier:Black
- AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp:Silver
Battery life
- 33055I headphone amplifier:8 h
- AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp:6 h
Charging time
- 33055I headphone amplifier:1 h
- AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp:2 h
Power source
- 33055I headphone amplifier:Battery
- AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp:USB

Side by side

Differences highlightedShow differences only

Comparison of 33055I, 99204I
32 specifications	A InLine 33055I headphone amplifier Model 33055I View product	B InLine AmpEQ mobile, Tri-Tone Hi-Res AUDIO Pre- and Headphone-Amp Model 99204I View product
Audio1 differ
Output impedanceDiffers	100 Ω	16 - 600 Ω
GainKnown for one	Unknown — not stated by the source	-10 dB
Adjustable volumeKnown for one	Unknown — not stated by the source	Yes
Treble adjustmentKnown for one	Unknown — not stated by the source	Yes
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
Frequency rangeKnown for one	20 - 20000 Hz	Unknown — not stated by the source
Ports & interfacesidentical
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Technical details1 differ
Package volumeKnown for one	Unknown — not stated by the source	1800 cm³
Product colourDiffers	Black	Silver
LED indicatorsKnown for one	Charging, Power	Unknown — not stated by the source
Battery2 differ
Battery capacityKnown for one	Unknown — not stated by the source	2200 mAh
Battery lifeDiffers	8 h	6 h
Charging timeDiffers	1 h	2 h
Number of batteries supportedKnown for one	1	Unknown — not stated by the source
Power1 differ
Power sourceDiffers	Battery	USB
USB poweredKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	36 mm
DepthKnown for one	Unknown — not stated by the source	115 mm
HeightKnown for one	Unknown — not stated by the source	58 mm
WeightKnown for one	Unknown — not stated by the source	250 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	453 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.

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