iSecure Fit Earphones A4 MK650 B

iSecure Fit Earphones A4 MK650 B

Oct 12, '08 4:27 PM for everyone

Category:	Computers & Electronics
Product Type:	Other
Manufacturer:	A4 tech

iSecure Fit Earphones A4 MK650 B

This model of just Eu5.9 has been found in a store selling computer renewable and more specially CD/DVD-ware and related ‘store’-ware . That time I was to buy some DVDs and CD for a friend and found this model in a super slim plastic packing. Being sold so cheaply I immediately without any thinking bought them

I opened the package prior to make a photo shooting. As you will see here there are two pictures: One from the packing showing the standard plastic insulators and one more with the second insulators offered inside the packing

This packing offers:

- The earphones/earplugs  with the small plastic in-ear-pluggers. Here are the  thickones , after i changed them

- Built in thin ear pluggersthat get built in  with the  package - the picture is from their site

- Mini purse in black

The design of it is very nice and seems metallic in silver color

 As for the audio and isolation?

We have here two different results based solely on the pluggers - the small or the wide

 
The wide have better isolation than the small with a little better bass if they are plugged thoroughly into ears. But external noise still passes in my ears. I can suppose about 6 db of difference (the half !) at least.

From the other side:

 In both cases of using pluggers, the audio level is 10 db less then Sandisk's or Koss 's earphones which is quite low in most purposes (mp3 players). But using ICOM communications receiver the results are better as the radio's threshold is quite high .Btut considering  the receiver’s audio curve ,several frequencies  are relatively higher  than the most best suited headphones as the <i>m@h 40 of Sennheiser</i>. Thus ‘razor noises’ caused from local sources can make cause some headaches with the I-secure Fit 

 IN terms of fidelity , it has  a rather high treble , little higher to the Sandisk's ones but lacks much of bass even with the use of the wide pluggers that offer several physical  decibels  of bass regarding to the mini pluggers

 But using it for quite a while , there is a problem : the thick sleeves are easily go out of my ears, even if I put them strongly inside.  

Not anything except this

My rating: 3/5