Comparison Mystery MC-540 vs Mystery MJ-550

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	Mystery MC-540	Mystery MJ-550
	from $32.16 up to $38.44 Outdated Product	from $28.80 up to $34.44 Outdated Product
all specs only differences
TOP sellers	Find prices on Amazon.uk Find prices on eBay.uk	Find prices on Amazon.uk Find prices on eBay.uk
Application area	car	car
Type	component	component
Size	5.25" (13 cm)	5.25" (13 cm)
Number of bands	2	2
Specs
Rated power	50 W	50 W
Max. power	150 W	150 W
Frequency range	60 – 21000 Hz	60 – 21000 Hz
Impedance	4 Ohm	4 Ohm
Sensitivity	91 dB	91 dB
External crossover
Size
Tweeter diameter	25 mm	25 mm
Woofer Diameter	133 mm	133 mm
Added to E-Catalog	june 2012	may 2012

External crossover

A crossover is a part of the speaker system that divides the overall signal into separate frequency bands that are fed to the corresponding speakers (for more details, see "Number of bands"). All multi-band speakers have their own crossover (component and coaxial, see "Type"); it is usually placed directly in the speaker cabinet. However, in some models, usually the most advanced, the crossover can be made as a separate device, in its own case. It is believed that such crossovers provide better sound quality and introduce less distortion into it; in addition, they often provide the possibility of fine tuning the sound.