Sonic devices, which claim to repel pests like roaches through emitting high-frequency sound waves, have faced skepticism and limited success in practical application. While the theory behind these devices suggests that ultrasonic frequencies disturb pests and drive them away, several factors contribute to their inefficacy. Firstly, the effectiveness of such devices is hindered by the ability of pests, particularly roaches, to adapt to changes in their environment. Roaches may quickly become immune to the constant sonic stimuli, rendering the devices ineffective over time. Additionally, the limited range and penetration of the sound waves may not reach all areas where roaches hide, allowing them to remain unaffected. Scientific studies on the efficacy of these devices have yielded inconsistent results, further casting doubt on their reliability. Ultimately, a multifaceted approach involving proper sanitation, sealing entry points, and targeted pest control measures is generally more successful in managing roach infestations than relying solely on sonic devices.