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Functions and features of d-ball UP ejectors and d-balls feeders

Acoustic signal

It enables to activate tone in the receiver, the intensity of which the dog always perceives the same, regardless of the distance from the dog handler. Acoustic signal is a basic feature in all products.

Basic specification of ball droppers and ball throwing machine for dog training

Training ball droppers d-balls, d-ball mini and ball throwing machine d-ball UP are excellent and effective tools for motivational training and for training of different exercises. They allow rewarding the dog by dropping the ball at the right time for a well-practiced exercise.

They are suitable for sports cynology, police training centers and home use.

d-ball UP

Remotely controlled ball ejector used for training service dogs, agility and routine training. Expecting "instant" reward in the form of ejected ball motivates the dog in meeting tasks faster and more accurately and with enjoyment. After the exercise, the dog receives a reward only if it deserves it.

The ball is ejected from the device by a remote transmitter at a distance of up to 200 m and up to a height of 3 m. If the ejector is mounted vertically using attached strap or supported by a metal support in an inclined position, the ejecting range may reach up to 6 m. Low profile d-ball UP (105 mm) enables simple camouflaging. The transmitter is able to control up to 4 ejectors and may be combined with d-balls feeders. They are suitable for training centres and use at home.

d-ball UP
d-ball UP functions

d-ball UP functions

  • Option to pair and independently control up to 4 ejectors
  • Acoustic signal for ejector 1 to 4
  • Ejecting ball from the ejector 1 to 4


Remotely controlled d-balls training feeder is an effective aid for motivational training and for various exercises such as: forward command, running around and checking out mock-ups, overcoming obstacles and the like is also ideal for agility training and service dog training. Up to eight feeders may be controlled with one transmitter with a range of up to 250 m, each having a four ball dispenser with balls being released individually; there is no need to fill the feeder after each use. The d-balls device enables to reward the dog at the right moment for a well-executed exercise; it is suitable for professional sports cynology and police training centres.

d-balls plus points

d-balls plus points

  • Function – ball falling out
  • One transmitter for up to 8 feeders
  • 4 ball feeder
  • Range for up to 250 m
  • Strap for attaching the feeder
  • String and clip for hanging the transmitter

mini d-ball

Remotely controlled d-ball training feeder is an excellent tool for practicing the basic command "come", for walking beside you exercise, to attract the dog's attention to the handler and rewarding the dog for well carried out exercise. The mini d-ball feeder, which may be simply attached to clothing by a Velcro fastener or magnets, is controlled by a small transmitter. This method of control, when the ball is released automatically when the push button is pressed, enables to eliminate all undesirable and redundant movement by the handler when rewarding the dog. The device has three modes for rewarding the dog; it has the option to select an acoustic signal, releasing the ball and releasing the ball together with acoustic signal. The mini d-ball feeder is suitable for professional sports cynology and use at home.

mini d-ball
mini d-ball functions

mini d-ball functions

  • Ball falling out
  • Acoustic signal
  • Acoustic signal + ball falling out
  • Velcro fastener or magnets for attaching to clothing
  • Range up to 10 m
  • Elimination of handler movements when releasing the ball

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