Product comparison · 2 loudspeakers

Philips Notebook USB speakers SPA20/12 vs Yamaha NS-BP400 2-way Brown Wired

14specifications compared
8differ
6identical
24known for one product only

Key differences

Number of drivers
- Notebook USB speakers SPA20/12:1
- NS-BP400 2-way Brown Wired:2
Tweeter
- Notebook USB speakers SPA20/12:No
- NS-BP400 2-way Brown Wired:Yes
Woofer
- Notebook USB speakers SPA20/12:No
- NS-BP400 2-way Brown Wired:Yes
RMS rated power
- Notebook USB speakers SPA20/12:3 W
- NS-BP400 2-way Brown Wired:120 W
Frequency range
- Notebook USB speakers SPA20/12:20 - 20000 Hz
- NS-BP400 2-way Brown Wired:50 - 30000 Hz
Impedance
- Notebook USB speakers SPA20/12:10 Ω
- NS-BP400 2-way Brown Wired:6 Ω
Recommended usage
- Notebook USB speakers SPA20/12:Universal
- NS-BP400 2-way Brown Wired:PC
Weight
- Notebook USB speakers SPA20/12:601 g
- NS-BP400 2-way Brown Wired:5.9 kg

Side by side

Differences highlightedShow differences only

Comparison of SPA20/12, NS-BP400
38 specifications	A Philips Notebook USB speakers SPA20/12 Model SPA20/12 View product	B Yamaha NS-BP400 2-way Brown Wired Model NS-BP400 View product
Loudspeakers3 differ
Number of driversDiffers	1	2
TweeterDiffers	No	Yes
WooferDiffers	No	Yes
Subwoofer driver diameter (imperial)Known for one	6.35 cm (2.5")	Unknown — not stated by the source
Speaker typeKnown for one	Unknown — not stated by the source	2-way
Driver diaphragm materialKnown for one	Unknown — not stated by the source	Aluminium
Tweeter diameterKnown for one	Unknown — not stated by the source	2.5 cm
Woofer diameterKnown for one	Unknown — not stated by the source	13 cm
Woofer diameter (imperial)Known for one	Unknown — not stated by the source	13 cm (5.12")
Audio3 differ
RMS rated powerDiffers	3 W	120 W
Frequency rangeDiffers	20 - 20000 Hz	50 - 30000 Hz
ImpedanceDiffers	10 Ω	6 Ω
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
Performance1 differ
Recommended usageDiffers	Universal	PC
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Brown
Ports & interfacesidentical
USB connectivityKnown for one	Yes	Unknown — not stated by the source
Connector(s)Known for one	3.5mm	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 & dimensions1 differ
WidthKnown for one	158 mm	Unknown — not stated by the source
DepthKnown for one	80 mm	Unknown — not stated by the source
HeightKnown for one	121 mm	Unknown — not stated by the source
WeightDiffers	601 g	5.9 kg
Cord lengthKnown for one	1.5 m	Unknown — not stated by the source
Other featuresidentical
Channel separationKnown for one	45 dB	Unknown — not stated by the source
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Number of products includedKnown for one	1 pc(s)	Unknown — not stated by the source
Number of satellite speakersKnown for one	2	Unknown — not stated by the source
USB requiredKnown for one	Yes	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	176 x 330 x 310 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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