● Speech and voting functions integrated
● Built-in magnet HiFi speaker
● High brightness LCD screen
● 5 vote buttons available
● Conference check-in function
● Automatic camera tracking function when used with camera
● Removable goose-neck.
● Goose-neck length: 315/320/415/430 mm
● Black/silver colors available
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| Item | D7331 |
| Power | 200W |
| Input Power | AC220V/50Hz |
| Packing size (L×W×H mm) | 320×250×105 |
| Machine dimension (L×W×H mm) | 197×197×44 |
| Gross weight | 1.7KG |
| net weight | 1.3KG |
| 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 | <8W | |
| Maximum Power Consumption | 5W | |
| 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 | 500×200×180 mm | |
| Machine Dimensions (W×D×H) | 84×80×145mm | |
| Gross Weight | 1.25kg | |
| Net Weight | 0.75kg | |
Description:
| response: | 30Hz-20kHz (±3dB) |
| Signal-to-noise ratio | ≥ 80dB |
| Harmonic distortion | ≤ 0.5% |
| Maximum Output power | 90W, 4-channel network PoE+48V power supply |
| Static power consumption | ≤ 30W |
| UHF Frequency | 632 MHz—695 MHz |
| Power switch | AC220V/50Hz/350W |
| Package size(L x W x H) | 525×480×185mm |
| Machine dimensions(L x W x H) | 483×385×88mm |
| Gross weight | 7.8kg |
| Net weight | 6.3kg |
| Model | D6221/D6222 | |
| Structure and Type | Desktop | |
| Output frequency response | 45Hz-18kHz（-3dB） | |
| Speaker Power | 1.5W | |
| Static power consumption | <1W | |
| Max. power consumption | 2W | |
| SNR | >80dB | |
| Crosstalk Attenuation | >80dB | |
| Harmonic distortion | <0.5% | |
| Headphone Output | 9dBu, 8-32Ω, 3.5mm | |
| Working Power Supply | DC 24V power supply | |
| Port on the unit | 8pin DIN socket | |
| Microphone | Type of microphone | Electret, heart-shaped, condenser type |
| Frequency response | 40Hz-20kHz（-3dB） | |
| Sensitivity | -45dBV/pa | |
| Input impedance | 2kΩ | |
| Equivalent Noise | 20dB (SPL) | |
| Max SPL | 125dB (THD<3%) | |
| Items | Indicators |
| Port | 8 10/100M self-adaptive ports |
| 6 ports support PoE function | |
| Support auto flip | |
| Network Medium | 10BASE-T: CAT3, CAT4, CAT5 unshielded twisted pair (≤100m) |
| 100BASE-TX: CAT5 and above unshielded twisted pair (≤100m) | |
| Maximum Power for Single Port | 90W |
| LED Indicator | Power Link/Act (flashing) 100Mbps (green), PoE power supply output (yellow) |
| Working Environment | Working Temperature: 0℃~40℃ |
| Storage Temperature: -40℃~70℃ | |
| Working Humidity: 10%~90% no condensation | |
| Storage Humidity: 5%~90% no condensation | |
| Input Power Supply | Built-in power supply, 400W |
| Overload Protection | Maximum 160W for a single port |
| Package Dimensions (L×W×H mm) | 536×258×101 |
| Machine Dimensions (L×W×H mm) | 483×205×44 |
| Gross Weight | 4.4KG |
| Net Weight | 3.2KG |
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