Product comparison · 2 loudspeakers

Philips Notebook USB speakers SPA20/05 vs Techly AF-51 2-way Black, Wood Wired

17specifications compared
10differ
7identical
28known for one product only

Key differences

Speaker type
- Notebook USB speakers SPA20/05:1-way
- AF-51 2-way Black, Wood Wired:2-way
Speaker placement
- Notebook USB speakers SPA20/05:Tabletop/bookshelf
- AF-51 2-way Black, Wood Wired:Floor, Tabletop/bookshelf
Tweeter
- Notebook USB speakers SPA20/05:No
- AF-51 2-way Black, Wood Wired:Yes
Woofer
- Notebook USB speakers SPA20/05:No
- AF-51 2-way Black, Wood Wired:Yes
RMS rated power
- Notebook USB speakers SPA20/05:3 W
- AF-51 2-way Black, Wood Wired:36 W
Frequency range
- Notebook USB speakers SPA20/05:20 - 20000 Hz
- AF-51 2-way Black, Wood Wired:40 - 20000 Hz
Impedance
- Notebook USB speakers SPA20/05:10 Ω
- AF-51 2-way Black, Wood Wired:8 Ω
Sensitivity
- Notebook USB speakers SPA20/05:85 dB
- AF-51 2-way Black, Wood Wired:75 dB

Side by side

Differences highlightedShow differences only

Comparison of SPA20/05, AF-51
45 specifications	A Philips Notebook USB speakers SPA20/05 Model SPA20/05 View product	B Techly AF-51 2-way Black, Wood Wired Model AF-51 View product
Loudspeakers4 differ
Speaker typeDiffers	1-way	2-way
Speaker placementDiffers	Tabletop/bookshelf	Floor, Tabletop/bookshelf
Speaker enclosureKnown for one	Unknown — not stated by the source	Closed
TweeterDiffers	No	Yes
Number of tweeter driversKnown for one	Unknown — not stated by the source	2
Tweeter diameter (imperial)Known for one	Unknown — not stated by the source	2.54 cm (1")
WooferDiffers	No	Yes
Number of woofer driversKnown for one	Unknown — not stated by the source	2
Woofer diameter (imperial)Known for one	Unknown — not stated by the source	10.2 cm (4")
Driver diameterKnown for one	6.35 cm	Unknown — not stated by the source
Subwoofer driver diameter (imperial)Known for one	6.35 cm (2.5")	Unknown — not stated by the source
Audio4 differ
RMS rated powerDiffers	3 W	36 W
Frequency rangeDiffers	20 - 20000 Hz	40 - 20000 Hz
ImpedanceDiffers	10 Ω	8 Ω
SensitivityDiffers	85 dB	75 dB
Signal-to-Noise Ratio (SNR)Known for one	75 dB	Unknown — not stated by the source
Total Harmonic Distortion (THD)Known for one	1%	Unknown — not stated by the source
Performance2 differ
Product colourDiffers	Black, Brown	Black, Wood
Recommended usageDiffers	Other	Universal
Housing materialKnown for one	Unknown — not stated by the source	MDF
Volume controlKnown for one	Unknown — not stated by the source	Rotary
Bass adjustmentKnown for one	Unknown — not stated by the source	Yes
On/off switchKnown for one	Unknown — not stated by the source	Yes
Suitable for outdoor useKnown for one	No	Unknown — not stated by the source
Amplifieridentical
Amplifier classKnown for one	A/B	Unknown — not stated by the source
Ports & interfacesidentical
Audio RCA inputsKnown for one	Unknown — not stated by the source	1
USB connectivityKnown for one	Yes	Unknown — not stated by the source
AUX inKnown for one	Yes	Unknown — not stated by the source
Poweridentical
AC input voltageKnown for one	220 V	Unknown — not stated by the source
AC input frequencyKnown for one	50 Hz	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	6.5 kg
Cord lengthKnown for one	1.5 m	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC
Other featuresidentical
Speaker widthKnown for one	Unknown — not stated by the source	15 cm
Speaker depthKnown for one	Unknown — not stated by the source	18.1 cm
Speaker heightKnown for one	Unknown — not stated by the source	26.2 cm
Channel separationKnown for one	45 dB	Unknown — not stated by the source
Quick installation guideKnown for one	Yes	Unknown — not stated by the source

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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