Model | D7221A D7222A | |
Structure Type | Desktop | |
Effective Frequency Range for Gain Limiting (±3dB) | Unit A to Unit B | 50Hz-14kHz |
Host Line to Unit | 30Hz-18kHz | |
Unit to Host Line Output | 40Hz-16kHz | |
Speaker Power | 1.5W | |
Static Power Consumption | <6W | |
Maximum Power Consumption | 8W | |
Signal-to-Noise Ratio | >75dB | |
Crosstalk Attenuation | >80dB | |
Harmonic Distortion | <0.5% | |
Headphone Output | 9dBu, 8-32Ω, 3.5mm | |
Operating Power (Battery Pack) | Powered by host system or PoE switch, with an input voltage of +48V input. | |
Unit Interface | Dante network interface | |
Microphone | Microphone Type | Cardioid electret condenser |
Input Sensitivity | -42±2dBV/Pa | |
Frequency Response | 50Hz-20KHz | |
Maximum SPL | 125dB | |
Product Dimensions (W×D×H) | 175×133×46mm | |
Package Dimensions | 485×280×120mm | |
Net Weight | 0.8kg | |
Gross Weight | 2.4kg | |
D7323 5G WiFi Desktop Conference Chairman MicrophoneNovember 2, 2021D7323 is chairman microphone, with first priority button. Minimum delay is less than 20 ms and non-compressed audio transmission.view
D6224 Desktop Delegate Speech UnitNovember 30, 2016D6224 Desktop Delegate Speech Unit provides functions such as speech, check-in and self-checking.view
D6235 Chairman Voting UnitAugust 21, 2017The D6235 and D6236 are embedded voting conference units designed for digital conference systems. Featuring a sleek flush-mount structure and intuitive button operation, the units provide efficient an...viewwe will contact you within 24 hours.
DSPPA | Letter of Thanks from Asian Games Organising CommitteeNovember 14, 2023Abstract: DSPPA was appreciated by the Hangzhou Asian Games Organising Committee for its contribution to the event's success.view
Main Hardware Equipment of Conference Audio SystemMarch 29, 2019Conference audio and video system, including software conference audio system and hardware conference audio system, hardware equipment mainly includes the following aspects:1. Speech microphoneIt has ...view