Horn Siren,Alarm Horn,Car horn, horn speaker 1.Built-in audio speaker 2.Support 10W audio output 3.built-in SPI- ... flash Re-programmable Horn Siren,Alarm Horn,Car horn, horn speaker FeaturesAudio format : wav , 16bit, mono sampling rate supports 6KHz, ... choose shielded cable as download DATA cable Applicationsalarm system, Bionic systems,Broadcast, Voice prompts and etc For more details,please don ...