Product comparison · 2 speaker sets

NEC SP-654QSM speaker set vs NGS Cosmos speaker set

5specifications compared
3differ
2identical
22known for one product only

Key differences

The NEC SP-654QSM speaker set has 64 W more RMS rated power than the NGS Cosmos speaker set (100 W vs 36 W). The NEC SP-654QSM speaker set has 32 W more satellite speakers RMS power than the NGS Cosmos speaker set (40 W vs 8 W). Satellite speaker frequency range: 70 - 15000 Hz on the NEC SP-654QSM speaker set, 150 - 20000 Hz on the NGS Cosmos speaker set.

RMS rated power
- SP-654QSM speaker set:100 W
- Cosmos speaker set:36 W
Satellite speakers RMS power
- SP-654QSM speaker set:40 W
- Cosmos speaker set:8 W
Satellite speaker frequency range
- SP-654QSM speaker set:70 - 15000 Hz
- Cosmos speaker set:150 - 20000 Hz

Side by side

Differences highlightedShow differences only

Comparison of SP-654QSM, Cosmos
27 specifications	A NEC SP-654QSM speaker set Model SP-654QSM View product	B NGS Cosmos speaker set Model Cosmos View product
Performance1 differ
Audio output channelsKnown for one	Unknown — not stated by the source	2.1 channels
RMS rated powerDiffers	100 W	36 W
Product colour	Black	Black
Volume controlKnown for one	Unknown — not stated by the source	Rotary
On/off switchKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	CE, RoHS
Recommended usageKnown for one	Home theatre	Unknown — not stated by the source
Amplifieridentical
Amplification device includedKnown for one	Unknown — not stated by the source	Yes
Amplification device form factorKnown for one	Unknown — not stated by the source	Built-in
Total Harmonic Distortion (THD)Known for one	Unknown — not stated by the source	0.3%
Signal-to-Noise Ratio (SNR)Known for one	Unknown — not stated by the source	78 dB
Satellite speakers2 differ
Number of satellite speakers	2	2
Satellite speakers RMS powerDiffers	40 W	8 W
Satellite speaker frequency rangeDiffers	70 - 15000 Hz	150 - 20000 Hz
Satellite speaker peak powerKnown for one	100 W	Unknown — not stated by the source
Satellite speaker impedanceKnown for one	8 Ω	Unknown — not stated by the source
Satellite speaker sensitivityKnown for one	82.1 dB	Unknown — not stated by the source
Subwooferidentical
Subwoofer frequency rangeKnown for one	Unknown — not stated by the source	40 - 150 Hz
Subwoofer driver diameter (imperial)Known for one	Unknown — not stated by the source	10.2 cm (4")
Bass adjustmentKnown for one	Unknown — not stated by the source	Yes
Poweridentical
AC input frequencyKnown for one	Unknown — not stated by the source	50 Hz
AC input voltageKnown for one	Unknown — not stated by the source	220 V
Power sourceKnown for one	Unknown — not stated by the source	AC
Ports & interfacesidentical
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Warranty cardKnown for one	Unknown — not stated by the source	Yes
Logistics dataidentical
Harmonized System (HS) codeKnown for one	85182200	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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