S258 wired ultralight rechargeable waistband voice amplifier
S615 ultra light wireless portable voice amplifier
S515 ultralight 126g wired voice amplifier 20 Watt
S516 UHF wireless Voice Amplifier 30 Watt
S511 wired portable Voice Amplifier 15 Watt
S318F UHF wireless Voice Amplifier 10 Watt
S328 Voice Amplifier
S613 2.4G wireless Voice Amplifier 18 Watt
S711 UHF wireless Voice Amplifier 10 Watt for tour guide and teachers
S92 UHF wireless portable Voice Amplifier 20 Watt for interactive communication
S90 Voice Amplifier
S358 wired portable Voice Amplifier for teachers and tour guide
S308 wired portable Voice Amplifier 10 watt
