ACM-U51L/U52L Desk-Mounted Microphone
In Stock
Desk-Mounted Audio Conference Chairman/Delegate Unit
- The microphone delivers superior sound quality with a 48kHz sampling rate, DSP processing, and a cardioid electret design that eliminates low-frequency “puff” sounds.
- A touch button design and a 2.23-inch OLED display with 9 multi-function buttons ensure silent, sleek operation, complemented by a microphone rod length of 409mm.
- Intelligent voice control with adjustable sensitivity, integrated feedback suppression, and 5-band EQ adjustments optimizes audio performance, while the chairman unit can control speech timing and microphone usage.
- Comprehensive event management features include voting, election, rating functions, short message prompts, and sign-in capabilities that enable data statistics without a PC.
- Supporting 63+1 language channels and dual 3.5mm headphone jacks for simultaneous interpretation, the system also employs TCP/IP protocols with a unique IP address for web-based parameter settings and firmware upgrades.
- Day and night customer service
Description
Technical Spec
| Model | ACM-U51 | ACM-U52 |
| Microphone type | Cardioid Electret |
| Frequency response | 80Hz~16KHz |
| Input impedance | 680Ω |
| Sensitivity | -41±1.5dB (0dB=1V/Pa,at 1KHz) |
| Max SPL | 120dB |
| SNR | >80dB(A) |
| Crosstalk | >70dB |
| Dynamic range | >80dB |
| THD | < 0.2 % |
| Max power consumption | 2W |
| Headphone load | >16Ω |
| Headphone volume | 40mW max |
| Headphone jack | 3.5mm dual channel jack |
| Connection method | Network cable connection |
| Hand in hand extension port | Support |
| Power supply | Host power supply DC 36V |
| Color | Black |
| Voting function | Five-key /three-key voting, five-key evaluation |
| Simultaneous interpretation | 63+1 channels |
| Sign-in function | Touch button to sign in |
| Display | OLED full viewing angle low power display |
| Weight | 0.55Kg |
| Microphone pole | 409mm |
| Dimension (L×W×H) | 250×55×85mm |
| Installation method | Embedded |
| Opening size | 206×48mm |
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