Introduction :
FS420 is 20W 100V line rating while FS640 is 40W 100V line version of full range foreground music speakers. Both are available with rotary power selections to meet the requirement of installation space.
Both models come with black and white colour options.
FS420 : 4″ 20W 100 V line ( FS420W or FS420B )
FS640 : 6: 40W 100 V line ( FS640W or FS640B )
Features:
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4″ 20W and 6″ 40W 100V versions
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FS420 in white colour Black and white colour option
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With rotary power taps
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Excellent sound reproduction
Technical Specifications
Speaker :
Power rating 20 / 40W 100V
Diameter 4″ / 6″
Components Single cone PP with tweeter
Impedance 8 Ohm
Freq response FS420 : 100 – 18 KHz
FS640 : 70 – 18 KHz
SPL 89 / 88 dB
Transformer taps ( 100V )
FS420 (Watts) 1.25 / 2.5 / 5 / 10 / 20W
8K / 4K / 2K / 1K / 500 Ohm
8 Ohm direct
FS640 (Watts) 2.5 / 5 / 10 / 20 / 40W
4K / 2K / 1K / 500 / 250 Ohm
8 Ohm direct
Physical :
Grille / Enclosure Metal / ABS
Overall size (mm) FS420 – 170 x 215 x 150
FS640 – 215 x 284 x 190
Weight 2.2 / 3.5
Colour White / Black
