● Transmission distance：100 meters in open area
● Service life：3-5 Years
● Communication frequency：2.4G
● Protocol：Zigbee2.4G/Bluetooth
● Power supply：DC 4.8～5.5V
● Working temperature：-10～60℃
● Dimension(mm)：φ178×30
● Weight(g)：202.5g
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| 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 | 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 | |
| Power Supply | AC100-240V/50-60HZ | Input Interface | 8-pin DIN x 1 | |
| Power Output | 2W | Dimensions | 8-pin DIN x 4 |
| Model | D7223A/D7224A | |
| 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 | |
| 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 | D7323/D7324 | |
| The structure type | Desktop | |
| Effective frequency range of gain limitation (± 3dB) | Unit A to Unit B. | 130Hz-14kHz |
| Host to unit line | 130Hz-14kHz | |
| Unit to host line output | 50Hz-14kHz | |
| Speaker power | 1.2W | |
| Static power consumption | <3.2W | |
| Maximum power consumption: | 4.5W | |
| Signal-to-noise ratio | >81dB | |
| Crosstalk attenuation | >80dB | |
| Harmonic distortion | <1% | |
| Headphone output | 9dBu, 8-32 Ω, 3.5mm | |
| Operating Power Supply(Battery Pack) | DC5V is charged by Type-C port (more efficient charging in off state) | |
| Microphone type | Elector cardiac capacitive type | |
| Sensitivity | -30dBV/pa | |
| input resistance | 2kΩ | |
| Equivalent noise | 20dB(SPL) | |
| Maximum sound pressure level | 125dB(THD<3%) | |
| Package dimensions: | 485×280×120mm (with two in a bpx) | |
| Machine Dimensions (W × D × H) | 175×133×46mm | |
| Gross weight | 2.0kg | |
| Net weight | 0.6kg | |
| Model | D6201 |
| LINE input voltage | 250 (±30) mV |
| ALARM input voltage | 250 (±30) mV |
| LINE output voltage | 1 (±0.1) V |
| BALANCE output voltage | 1 (±0.1) V |
| Frequency response | 20Hz-20kHz（±3dB） |
| SNR | >80 dB |
| Harmonic distortion | <0.3% |
| Output power | ≤110W/3-way, 24V |
| Max. power | 350W |
| Static power consumption | 15W |
| Quantity of maximum units | 128 ps |
| Control interface | RJ45, RS232, RS422 |
| Power source | AC220V~50Hz/320W |
| Net Weight | 6.9kg |
| Dimension | 484×385×88 mm |
| Item | Index parameters |
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