DS-3T0510P 8 Port Gigabit Unmanaged Industrial POE Switch

DS-3E2528P 24 Port Gigabit Full Managed POE Switch

DS-QAE0206G1-V Analog Ceiling Speaker 6W

DS-QAE0A60G1-VB Analog Amplifier 60W Built-in Bluetooth

Network Column Speaker 30W

Simon