SC-A408U UHF Wireless Conference With 8 Desktop Mic Unit

The 4.3-inch TFT color display enables real-time monitoring of 8 channels, showing channel numbers, volume levels, operating frequencies, RF power, and audio waveforms. All settings can be easily adjusted via the responsive touch screen interface.
Featuring true diversity reception technology, the receiver’s intelligent CPU automatically selects the optimal antenna signal to ensure stable reception and prevent signal dropouts.
A display lock function prevents accidental adjustments—once activated, channel and volume settings remain fixed to avoid unintended changes during operation.
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Description
Features:

 

  1. The 4.3-inch TFT color display enables real-time monitoring of 8 channels, showing channel numbers, volume levels, operating frequencies, RF power, and audio waveforms. All settings can be easily adjusted via the responsive touch screen interface.
  2. Featuring true diversity reception technology, the receiver's intelligent CPU automatically selects the optimal antenna signal to ensure stable reception and prevent signal dropouts.
  3. A display lock function prevents accidental adjustments-once activated, channel and volume settings remain fixed to avoid unintended changes during operation.
  4. Equipped with a built-in feedback suppressor, the receiver allows users to enable or disable this function as needed to eliminate microphone howling.
  5. With a dedicated one-touch mute button, the system can instantly silence all 8 channels simultaneously for quick audio control.
  6. The receiver includes multiple preset frequency groups designed to avoid interference, significantly improving setup efficiency when operating multiple systems together.
  7. Four EQ modes are provided, including a customizable user mode that allows flexible adjustment of an 11-band equalizer for tailored sound in various acoustic environments.
  8. It offers extensive connectivity options: 8 antenna interfaces, 2 mixed unbalanced outputs, 2 mixed balanced outputs, and 8 balanced independent outputs.
  9. The host unit also features a one-touch mute function, capable of instantly muting all 8 channels at once.
  10. A host display lock function secures system settings-once engaged, channel and volume adjustments are disabled to prevent accidental changes.
  11. The microphone unit supports adjustable transmission power (high/low modes), allowing users to optimize battery life based on actual usage needs.
  12. The compact speaker unit includes a configurable auto-shutdown timer (1–8 hours). Once set, it automatically powers down during periods of inactivity, extending both battery life and overall product durability.

 

Technical parameters:

 

Receiver technical parameters

Working frequency

640-690MHz

Modulation Mode

Broadband FM

Channel

200 channels

Bandwidth

50MHz

Sensitivity

-95dBm

Frequency stability

±0.001%

Dynamic range

>90dB

Peak frequency deviation

±45KHz

Frequency response

50Hz-18KHz (±3dB)

Comprehensive signal-to-noise ratio

>85dB

Comprehensive distortion

<0.5%

Usage distance

50-80 meters

Frequency matching method

infrared + wireless

Audio output

Mixed: 0-600mV, balanced: 0-600mV

Working power

DC12V/2A

Power consumption

12W

Dimensions

480*250*85mm

Weight

3.4KG

Technical parameters of conference unit

Channel

200 channels

2.8-inch TFT color display

displays transmission frequency, channel, battery power, speech timing

Transmitting power

10mW

Spurious suppression

-60dB

Harmonic suppression

>55dBc

Power supply voltage

3.6V/ 3000mAh lithium battery

Working time

speaking mode>18 hours, standby mode>20 hours

Weight

0.87KG

Base size

(W*L*H)95*135*55mm

Square tube microphone rod

230mm

 

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