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Alzaboxes and stores
Save your own money and shop conveniently with low-interest installment plans. Filling out the installment application takes just a few minutes. Full terms and conditions.
Úrok
4,9 %
p. a.
In instalments
from
207,-
In instalments
from
195,-
In instalments
from
108,-
In instalments
from
508,-
In instalments
from
207,-
In instalments
from
152,-
In instalments
from
161,-
In instalments
from
253,-
In instalments
from
851,-
In instalments
from
184,-
In instalments
from
172,-
In instalments
from
391,-
In instalments
from
165,-
In instalments
from
152,-
In instalments
from
162,-
In instalments
from
133,-
In instalments
from
103,-
In instalments
from
207,-
In instalments
from
169,-
In instalments
from
110,-
In instalments
from
161,-
Speakers are electro-acoustic transducers. The scientific name tells us that the speaker is a device that converts electrical impulses into sound. It consists of a magnet and a diaphragm for converting electrical signals to sound waves, then radiate them into the air.
The human ear can hear sounds at frequencies from 20 Hz to 20 kHz. Therefore, speakers are constructed to encompass this ideal sound spectrum. The lower the frequency, the deeper the tone. It is very effective for movies with action and explosions etc., and for listening to music with deep bass and drums.