Sound Defense® K9 Warning Device and Bicycle Attachment Set – Aggressive Dog Deterrent


  • •Handheld Dog Deterrent – Dogs, Coyotes, and Wolves
  • •Works from up to 25 feet away and has a wide effective field
  • •Safe and easy to use, humane
  • •No Blowback or Overspray means no Chemical in your Eyes

The Sound Defense K9 Warning Device is a humane dog deterrent used by cyclists, walkers, runners and professionals around the world.  It is designed to repel aggressive dogs by emitting an audible sound that is an alarming, intimidating and overwhelming signal for the dog.  The sound signal is in dogs sensitive hearing range.
Made in USA

Out of stock


Watch Sound Defense in Action

Quick Release Bicycle Attachment Demonstration

Sound Defense K9 Warning Device

Signal Specifically Designed for a Dog: Sound focuses in on the sensitive hearing range of dogs.

Fully audible and loud: You know when it’s on, and it might alert others to the situation.

Chemical free: No blowback or over spray.

Can be used from a distance: Does not require the close contact necessary with physical threats.

•Easily operated: Does not require precise aim– wide “Beam Angle”.

•Humane: Does not harm the dog when used as directed.

•Convenient: Sound Defense is lightweight, compact, easily attaches and detaches from your belt or bike.

•Reliable: Weather resistant, durable and holds up to rough handling.

•Safe: Designed to help bike and recumbent bike riders, fitness walkers, and runners keep a safe distance from a pursuing dog. Cyclists can use Sound Defense without taking their eyes off the road ahead. It is functional in any orientation.

•Re-usable: The device is battery operated, and there are no contents to expire, no propellant is used.

Quick Release Bicycle Attachment

•Quick release bicycle attachment holds the K9 Warning Device in place over rough terrain. It can withstand a 6” curb drop.

•Bicycle attachment allows for attachment of the K9 Warning Device to the bicycle in various locations. The coupling will fit the receiving end in either direction which gives the rider many options for placement and easiest access.

•Hook and loop tape accommodates handlebars, crossbars and down tubes that have 3 inch to 12 inch circumferences. Once sized just cut off the excess.

Sound Defense K9 Warning Device size:
Height: 6.6 inches
Width: 4.2 inches
Weight: 7 ounces

Bicycle Attachment Size:
Height: 2.8 inches
Width: 1.5 inches

Additional information

Weight.6875 lbs
Dimensions6.6 × 4.2 × 3 in

You may also like…