Enhance your alert systems with this versatile and robust Siren Horn speaker, designed for superior sound quality and reliable performance. Equipped with a built-in 4M memory and USB connectivity, this speaker allows easy voice changes and supports MP3 audio format playback, delivering clear and high-quality sound for various applications. Its IP65-rated waterproof, dustproof, and shockproof ABS plastic shell ensures dependable operation even in harsh environments. Key Features: · USB Connection & Built-in Memory: Easily connect to a computer via USB to upload and change voice messages, utilizing the built-in 4M SPI Flash memory for efficient storage of MP3 audio files. · High-Quality MP3 Playback: Supports MP3 format, delivering clear, beautiful sound output for effective alarms and notifications. · Multi-Trigger Playback Support: Featuring 5 trigger ports with customizable triggering modes, allowing flexible and varied alarm activation tailored to your specific needs. · Loud & Clear Alarm Sound: Powered by a 10W amplifier, this siren horn emits a powerful 115dB alarm sound, ensuring long-distance audibility and continuous operation. · Durable IP65 Protection: Rainproof, dustproof, and shockproof design guarantees stable and reliable performance in adverse and outdoor environments. · Corrosion-Resistant ABS Plastic Shell: Constructed from high-quality ABS plastic for enhanced durability and resistance to corrosion, extending the product’s lifespan. Specifications: · Voltage: DC 12V · Material: ABS Plastic · Color: Black · Maximum Volume: ≤115dB · Working Current: ≤850mA · Audio Format: MP3 · Audio Power: 10W/8Ω · Memory: Built-in 4M SPI Flash Memory · Dimensions: Approx. 6.8 x 10.0 x 8.2cm (2.7 x 3.9 x 3.2in) · Package Weight: 424g (15.0oz) Package Includes: · 1 x Siren Horn This siren horn speaker combines advanced audio capabilities, flexible triggering options, and rugged construction to deliver a reliable alarm solution suitable for industrial, commercial, or outdoor use. Its high-volume output, weather-resistant design, and user-friendly USB voice update feature make it an ideal choice for enhancing safety and alert systems.