... Support 10W audio output Guangzhou Waytronic High-pitched voice alarm ,Audio amplifier with voice prompt FeaturesAudio format : wav , 16bit, mono ... ,sampling rate supports 6KHz,8KHz ,….20KHzSupport 6K- 22K samping WAV voice ... .5mm Applications alarm system, Bionic systems, broadcast, Voice prompts and etc For more details,please don't ...