Features 4 channels that can be configured as 2 channels of voice and 2 of siren or all 4 channels of voice

8 channels of recordable voice or music for applications such as telephone on-hold announcements, security and access control warnings and more

12 V with Mono Amplifier, Integrated Exciter and Bluetooth® Control

12 V with Stereo Amplifier, 2 Speakers and Bluetooth® Control, Plastic, Black