JR750 USB Voice Box delivers high-quality audio warnings with versatile input options (RS232/485/TTL) for seamless industrial integration. Precision-engineered aluminum casing ensures durability in harsh environments while DC6-35V wide voltage compatibility guarantees stable performance.

Experience crystal-clear MP3 playback with 9 programmable alert tones, perfect for security systems, factory automation, and public broadcasting. Advanced anti-interference circuitry maintains signal integrity even in electromagnetic-heavy locations.

Professional-grade terminal blocks and gold-plated USB connectors provide corrosion-resistant, long-lasting connections. Ideal for access control systems, traffic management, and emergency evacuation scenarios requiring reliable audible alerts.

Our direct-from-factory pricing offers unmatched value for bulk orders without compromising MIL-SPEC build quality. Custom voice recording function enables personalized messaging for retail POS systems or warehouse inventory alerts.