HP Speaker Option Kit vs NGS Towerbridge 2.0

Comparison of Speaker Option Kit, Towerbridge 2.0

19 specifications	A HP Speaker Option KitView product	B NGS Towerbridge 2.0View product
Loudspeakersidentical
Audio output channelsKnown for one	—Unknown — not stated by the source	2.0 channels
Audio1 differ
RMS rated powerDiffers	10 W	4 W
Performanceidentical
Product colour	Black	Black
On/off switchKnown for one	—Unknown — not stated by the source	Yes
Housing materialKnown for one	Plastic	—Unknown — not stated by the source
Ports & interfacesidentical
Headphone connectivityKnown for one	—Unknown — not stated by the source	3.5 mm
Connectivity technologyKnown for one	Wired	—Unknown — not stated by the source
Poweridentical
Power source typeKnown for one	—Unknown — not stated by the source	USB
Weight & dimensions1 differ
WeightDiffers	450 g	535 g
WidthKnown for one	70 mm	—Unknown — not stated by the source
DepthKnown for one	350 mm	—Unknown — not stated by the source
HeightKnown for one	82 mm	—Unknown — not stated by the source
Other featuresidentical
TypeKnown for one	—Unknown — not stated by the source	Portable speakers
Number of satellite speakersKnown for one	—Unknown — not stated by the source	2
Satellite speaker frequency rangeKnown for one	—Unknown — not stated by the source	120 - 17000 Hz
Satellite speakers RMS powerKnown for one	—Unknown — not stated by the source	4 W
SpeakersKnown for one	—Unknown — not stated by the source	2
CompatibilityKnown for one	LD4200	—Unknown — not stated by the source
Amplifieridentical
AmplifierKnown for one	Built-in	—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.