Paso Sound P30BgM 30 Watt 3-channel Professional Integrated Amplifier VoiP Phone Paging Music on Hold 600 OHz MOHProfessional Integrated Amplifier ideally suited for Background - Foreground Music Applications and Paging. Outstanding Sonic performance. Standard Phone Paging and VoIP Paging interface. Automatic VOX Music Muting when Paging. Independe..