Product comparison · 2 loudspeakers

NEC SP-RM2 Black Wired vs Yamaha NS-555 3-way Black

9specifications compared
8differ
1identical
26known for one product only

Key differences

Audio output channels
- SP-RM2 Black Wired:2.0 channels
- NS-555 3-way Black:1.0 channels
RMS rated power
- SP-RM2 Black Wired:30 W
- NS-555 3-way Black:100 W
Recommended usage
- SP-RM2 Black Wired:Home
- NS-555 3-way Black:Universal
Width
- SP-RM2 Black Wired:51.6 mm
- NS-555 3-way Black:222 mm
Depth
- SP-RM2 Black Wired:60 mm
- NS-555 3-way Black:345 mm
Height
- SP-RM2 Black Wired:225 mm
- NS-555 3-way Black:980 mm
Weight
- SP-RM2 Black Wired:385 g
- NS-555 3-way Black:20 kg
Satellite speaker impedance
- SP-RM2 Black Wired:8 Ω
- NS-555 3-way Black:6 Ω

Side by side

Differences highlightedShow differences only

Comparison of SP-RM2, NS-555
35 specifications	A NEC SP-RM2 Black Wired Model SP-RM2 View product	B Yamaha NS-555 3-way Black Model NS-555 View product
Loudspeakers1 differ
Speaker typeKnown for one	Unknown — not stated by the source	3-way
Audio output channelsDiffers	2.0 channels	1.0 channels
Speaker placementKnown for one	Unknown — not stated by the source	Floor
TweeterKnown for one	Unknown — not stated by the source	Yes
Tweeter diameterKnown for one	Unknown — not stated by the source	2.5 cm
Woofer diameterKnown for one	Unknown — not stated by the source	16 cm
Audio1 differ
RMS rated powerDiffers	30 W	100 W
Peak Music Power Output (PMPO)Known for one	Unknown — not stated by the source	250 W
Frequency rangeKnown for one	Unknown — not stated by the source	35 - 35000 Hz
SensitivityKnown for one	Unknown — not stated by the source	88 dB
Crossover frequencyKnown for one	Unknown — not stated by the source	1000 Hz
Signal-to-Noise Ratio (SNR)Known for one	80 dB	Unknown — not stated by the source
Performance1 differ
Recommended usageDiffers	Home	Universal
Remotely operatedKnown for one	Unknown — not stated by the source	No
Bass adjustmentKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
Headphone outputsKnown for one	Unknown — not stated by the source	0
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	51.6 mm	222 mm
DepthDiffers	60 mm	345 mm
HeightDiffers	225 mm	980 mm
WeightDiffers	385 g	20 kg
Other features1 differ
TypeKnown for one	Unknown — not stated by the source	Floor-standing speakers
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	222 x 245 x 980 mm
Satellite speaker impedanceDiffers	8 Ω	6 Ω
SpeakersKnown for one	Unknown — not stated by the source	3-way
CompatibilityKnown for one	NEC X401S, V423	Unknown — not stated by the source
Number of satellite speakersKnown for one	2	Unknown — not stated by the source
Satellite speaker frequency rangeKnown for one	130 - 20000 Hz	Unknown — not stated by the source
Satellite speakers RMS powerKnown for one	15 W	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	180 mm	Unknown — not stated by the source
Package depthKnown for one	106 mm	Unknown — not stated by the source
Package heightKnown for one	287 mm	Unknown — not stated by the source
Package weightKnown for one	2.5 kg	Unknown — not stated by the source
Packaging contentidentical
ManualKnown 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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