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  • Interesting

    posted by mikeham on 02/16/2012
    5 0

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:

    Well made dog whistle, great build quality. Seems identical to very a famous brand (Google "silent dog whistle") that sells for up to $100 (!)

    Cons:

    It's not silent, nor is it ultrasonic. The maximum frequency is about 9KHz, which all but the deafest and oldest humans or dogs will easily hear; but apparently this is normal for such whistles.

    OtherThoughts:

    (1) the claimed "3~4 kilometers" range is absurd; (2) it may perhaps be generating harmonics of the 9KHz fundamental; (3) my 12 1/2 year old Border Collie sits up and takes notice when it is blown; (4) the reaction of other dogs ranges from complete indifference to startled fear. To increase the frequency, pull off the black cover - it's a tight fit - and tighten the knob (see my uploaded images).

    Bottomline:

    It's certainly interesting, but may not be as useful as you would wish. Still, the price is so low that it's worth trying, and I'm happy with my purchase.

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