Model | D7221A/D7222A | |
Structure Type | Desktop | |
Effective Frequency Range of Gain Limit (±3dB) | MIC A to MIC B | 50Hz-14kHz |
Host LINE to MIC | 30Hz-18kHz | |
MIC to Host LINE | 40Hz-16kHz | |
Speaker Power | 1.5W | |
Static Power Consumption | <6W | |
Maximum Power Consumption | 8W | |
SNR | >75dB | |
Crosstalk Attenuation | >80dB | |
Harmonic Distortion | <0.5% | |
Headset Output | 9dBu, 8-32Ω, 3.5mm | |
Working Power (Battery) | Host +48V power supply or +48V PoE switch | |
Unit Interface | Dante network interface | |
MIC | Microphone Type | Electret cardioid condenser |
Sensitivity | -30dBV/pa | |
Input Impedance | 2kΩ | |
Equivalent Noise | 20dB(SPL) | |
MAX. SPL. | 125dB(THD<3%) | |
Package Dimensions | 485×280x120mm (Two units in one box) ×180 mm | |
Machine Dimensions (W×D×H) | 175×133×46mm | |
Gross Weight | 2.4kg | |
Net Weight | 0.8kg | |
D6221 Conference Speech & Vote Chairman UnitNovember 30, 2016D6221 Desktop Chairman Speech/Vote Unit provides functions such as speech, vote, check-in and self-checking.view
D7324 5G WiFi Desktop Conference Delegate MicrophoneNovember 2, 2021D7324 is delegate microphone, location is unrestricted, support check-in function. Minimum delay is less than 20 ms and non-compressed audio transmission.view
D6237 Connecting Box for Embedded UnitsAugust 21, 2017viewwe will contact you within 24 hours.
Pumping Up Workouts with Coaxial Ceiling Speakers in Fitness CentersJanuary 9, 2024In the dynamic world of fitness, creating an environment that motivates and energizes gym-goers is essential for a fulfilling workout experience. One often overlooked yet impactful aspect is the role ...view
DSPPA | Happy International Workers’ DayApril 29, 2023Abstract: Work for dreams, strive for the future!view