Trust GXT 621 vs Trust GXT 638

Comparison of GXT 621, GXT 638

15 specifications	A Trust GXT 621View product	B Trust GXT 638View product
Performance1 differ
Audio output channels	2.1 channels	2.1 channels
RMS rated powerKnown for one	45 W	—Unknown — not stated by the source
Recommended usageDiffers	Universal	PC
Product colour	Black	Black
Remote control typeKnown for one	Wired	—Unknown — not stated by the source
Amplifieridentical
Amplification device includedKnown for one	Yes	—Unknown — not stated by the source
Amplification device form factorKnown for one	Built-in	—Unknown — not stated by the source
Satellite speakersidentical
Number of satellite speakers	2	2
Subwooferidentical
Subwoofer typeKnown for one	Active subwoofer	—Unknown — not stated by the source
Subwoofer driver diameter (imperial)Known for one	15.2 cm (6")	—Unknown — not stated by the source
Poweridentical
Power source	AC	AC
Packaging contentidentical
User guide	Yes	Yes
Packaging dataidentical
Package widthKnown for one	405 mm	—Unknown — not stated by the source
Package depthKnown for one	270 mm	—Unknown — not stated by the source
Package heightKnown for one	325 mm	—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.