The Bird Gard Super Pro features four built-in amplifiers and four external speakers for high-volume, crystal-clear digital sound output. Every six seconds a randomly selected sound is broadcast at a randomly selected frequency out of a randomly selected speaker. It sounds like there are many different birds in distress spread throughout the protected area. The unit comes pre-recorded in many different configurations. Most common configurations are: agricultural, marine, crow/raven or woodpecker.
Includes electronic control unit with four power amplifiers and a replaceable Memory Card with Sound Chip, four extension speakers with 100 feet of cable, AC power adapter, battery clips with 10 feet of cable and mounting bracket. Protects up to 6.0 acres (2.4 hectares).