Stable Supplies > Stable Equipment Bird-X QUADBLASTER QB-4 Price $652.45 Stock status: Out of Stock Stock status: In Stock Product Code: RJ54-5 Qty: Description Sizing Information Reviews Quadblaster QB-4 by Bird-X Inc * Electric ultrasonic device repels pigeons, sparrows, starlings, swallows, gulls, blackbirds, crows, grackles, other pest birds, bats, mice and rats, too!* Harsh but harmless sounds target birds but people can't hear them Quadblaster QB-4 - an electric ultrasonic bird repeller helps prevent bird infestation and destruction, as well as unsightly and unhealthy bird droppings. Keep birds away with intense, harmless sounds that people can’t hear. Birds leave and they don’t come back! Four ceramic speakers project powerful ultrasonic sound waves in surrounding area up to 6,500 sq ft. Quad Blaster QB 4 features adjustable frequency, warble rate and speaker sequencing so birds don’t acclimate. Repels pigeons, sparrows, starlings, swallows, gulls, blackbirds, crows, grackles, other pest birds, bats, mice and rats, too. Environmentally safe and easy to install; mount on beam, rafter, ceiling or wall in barn, stable or foaling area. For best results, use in conjunction with Bird Proof Repellent (sold separately). Do not mount within 10 ft of human workstation. Measures 12"W x 12"L x 4"D; weighs 8 lbs.