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 | |
D7233 Embedded Speech Chairman UnitSeptember 7, 2021The D7233/D7234 conference unit integrates functions such as speaking, voting, sign-in, self-test, tea application service and two-way intercom. Adopt cardioid directional condenser microphone, built-...view
D626D Condenser Microphone GooseneckApril 29, 2024The D626D is compatible with the D6223 and D6224 mic base.view
D6233 Embedded Chairman MicrophoneAugust 28, 2019D6233 embedded chairman microphone is a professional conference system microphone with sensitive buttons and easy to operate. Not only does it have exquisite embedded structure design, removable micro...viewwe will contact you within 24 hours.
DSPPA | Joins Forces with Iraq Partner for Brand PromotionNovember 24, 2025Abstract: DSPPA joined forces with its Iraq partner for the Brand Promotion Seminar on Nov. 17, fostering local partnerships.view
DSPPA | Concluding ISE 2026 with Strong Industry ConnectionsFebruary 6, 2026Abstract: DSPPA wraps up its successful participation at ISE 2026, showcasing integrated audio solutions and industry engagement.view