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Products > Wireless Microphone > Rechargeable Wireless Microphone > Rechargeable Wireless Microphone Base
Rechargeable Wireless Microphone Base
S-TRACK® is a pioneer company in the audio industry and one of China's top three audio factories. In order to keep up with the newest iteration of technology, the broadband carrying wireless signal propagation has increased, and the transmission speed has rapidly increased. S-TRACK® has also raised its own level of requirements for conference systems. S-TRACK® newly launched rechargeable wireless microphone. S-TRACK® Rechargeable Wireless Microphone Base (NAJA VH204) is one of the rechargeable wireless microphone products.
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Product Description
S-TRACK® Rechargeable Wireless Microphone Base (NAJA VH204) Product Introduction:
S-TRACK® Rechargeable Wireless Microphone Base (NAJA VH204) can speak for up to 10 hours or work on standby for 24 hours; supports three role definitions: Chairman/VIP/Presenter. The S-TRACK® Rechargeable Wireless Microphone Base (NAJA VH204) uses unique encryption technology to ensure the security of conference information.
S-TRACK® Rechargeable Wireless Microphone Base (NAJA VH204) Product Parameters:
| Physical and Electrical Specifications | |
| Power Supply | USB 5V + Built-in Lithium Battery |
| Endurance ( Hours ) | >20h ( Lithium Battery ) |
| Operating Temperature Range | -18℃~50℃ ( Battery Characteristics May Limit the Range ) |
| Weight | 860g |
| Size | 150mm x 98mm x 250mm(MAX) |
| Material | Cast Aluminum + Engineering Plastic |
| Storage Temperature Range | -29℃~74℃ (Battery Characteristics May Limit the Range) |
| Capacitive Mac Indicator | |
| Type | Back Pole Type Capacitor Mic (Operating Voltage 1.1~10V) |
| Diaphragm | 3um Mylar film, Gold Plated |
| Directivity | Supercentric ＞13dB (135 ° Directivity) |
| Frequency Response Range | 100Hz ~ 2KHz |
| Sensitivity |
-30.0±3dB，31.6mV/Pa (0dB=1V/Pa@1KHz, RL=2.2kΩ，Vs=2.7V DC） |
| Output Resistance | ＜2.2KΩ |
| Maximum Sound Pressure Level | 130dB （1% T.H.D. @ 1KHz, 0dB SPL=2x10^-5 Pa) |
| Equivalent Noise Level | 25dB, (A-weighted) |
| Communication Index | |
| Communication Mode | U-band radio digital communications |
| Modulation Mode | Pi/4 DQPSK |
| Transmission Frequency Band | 668MHz ~ 698MHz |
| Bandwidth | 30MHz |
| RF output | <18dBm |
| Adopted Frequency | 48KHz, 24KHz selectable |
| Transmission Distance | 90m (actual range related to RF signal absorption, reflection, interference) |
| Frequency Response | <2dB (20Hz ~ 20KHz) |
| Signal-to-noise Ratio S/N | >97dB |
| Distortion T.H.D | <0.03% (@1KHz) |
| Time Delay | <4ms |
| Antenna | 600MHz, built-in |
| Encryption | Digital Encryption, depending on software version |
S-TRACK® Rechargeable Wireless Microphone Base (NAJA VH204) Product Features:
1. Speech timing.
2. LCD display.
3. Unique encryption technology to ensure the security of conference information.
4. Built-in rechargeable lithium battery, providing charging interface.
5. 10 hours of continuous speaking or 24 hours of continuous standby work.
6. Independent gain adjustment.
7. Support three role definitions: chairman \VIP \listed.
8. Real-time display of call volume, call status and circuit status.
S-TRACK® Rechargeable Wireless Microphone Base (NAJA VH204) Applications:
S-TRACK® Rechargeable Wireless Microphone Base (NAJA VH204) for meeting rooms, courts, command centers, theaters，classroom interaction and other occasions.
Hot Tags: Rechargeable Wireless Microphone Base, China, Manufacturers, Suppliers, Factory, Customized, Brands, Quality, Latest Selling
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