T-2060DSA/ T-2120DSA/ T-2240DSA 2-Channel Power Amplifier
T-4060DSA/ T-4120DSA/ T-4240DSA 4-Channel Power Amplifier (Phone Jack MIC Input)
T-7805BM IP Network Adapter, with Power Amplifier, Constant Pressure Backup, with 2.4G Bluetooth Microphone
T-7705A Economic wall mounted IP terminal (with Constant impedance amplifier)
T-7805BG IP Network Adapter, with Power Amplifier, Constant Pressure Backup, with 2.4G Bluetooth Microphone
T-7705B Terminal (Economic wall-mounted IP terminal - with Constant resistance power amplifier, constant pressure signal backup)
T-10AP/ T-20AP/ T-40AP/ T-60AP/ T-120AP/T-240AP Desktop Mixer Amplifier
T-60FP/ T-120FP/ T-240FP Mixer Amplifier
T-7705BS IP Amplifier Terminal
T-350FP / T-500FP Mixer Amplifier
T-7707B Economic Wall Mount Active Speaker
T-522FD Microphone Antenna