MiCWL Audio Inc.

MICWL A450M - A4520 Table Digital Meeting Room

Wired Conference Microphone Mic System

- Video-tracking Type (can connect camera , camera not include)


2 U 19" Rack Mountable Design Host

MiCWL A450M Host Unit description: (can connect to camera, camera not include.)

1. All-digital integrated circuit technology, set the meeting to discuss, video tracking function in one.
2. Seven speaking modes: first-in first-out, first-in-first-out, chairman-specific, restricted statements, free discussion,
overwhelming, and application.
3. Seven speakers: 1-6 (optional), N (all open).
4. Touch the nine key control menu, and support the / English switch and other functions; LCD screen shows the work content.
5. With anti-whistle function, open the frequency shift function can effectively inhibit the whistle, expand the volume, increase
the pickup distance, to ensure the quality of voice transmission, high fidelity, clear voice.
6. Universal USB recording interface, support hot-swappable, free to use commonly used electronic products.
7. Prepared PC software, computer operation free control. The main screen / vice screen also shows the contents of the voting,
highlighting the meeting open.
8. RS232 port can be an external PC, combined with encryption software linkage operation can also be connected to the control, so
that more intelligent conference equipment.
9. The host can connect 60 conference microphone units, divided into four parallel output, each channel can be connected to 20
units, can be unlimited to increase power expansion or data expansion.
10. When the connection status is not normal, you can press the OK button to stop the call; and have the intelligent power-off
memory function, you can remember the program running state, if the accident power, the power is restored after the last set.
11. Built-in telephone coupler input and output ports can be used to hold remote teleconferencing.
12. Connect the video head to achieve real-time video recording function, support 4-way camera signal input, 2 video output; three
camera communication protocol, compatibility: Pelco_D, Pelco_P, VISCA. (Host can connect Camera, camera not include)


Power supply: AC-100-240V 50 / 60Hz
Output impedance: RCA: 200 Euro LINE: 200 ohms
BALANCE: 300 ohms
UNBALANCE: 400 Europe
Input impedance: LINE: 50K Euro DIN: 50K Europe
Signal to noise ratio: 100dB (1KHz THD1%)
Chassis Size: 480X360X85MM
Accessories: 10M 8P shielded cable

MiCWL A4520 mode President + Delegates Microphone Unit:

1, intelligent digital design control circuit, low power consumption.
2, Perfect design,
3, the unique 40CM long tube, 360-degree all-round rotation design, removable; high-fidelity single-directional condenser
microphone, pickup distance, sound reduction degree is good, high definition, low noise.
4, the chairman unit has the right to speak, may at any time to close the other attendance unit.
5,128X64LCD LCD, display unit identity, speaking mode, speaking state, speaking time.
6, excellent anti-mobile phone interference.
7, no noise touch switch design, flexible operation;
8, the meeting unit to support hot-swappable function, comes with 2.1 m 8P cable; handle connection mode, easy to install,
flexible operation.


Type: Capacitive
Directivity: single directivity
Frequency response: 30Hz-18KHz
Sensitivity: -43 ± 2db @ 1KHz
Input voltage: DC 9V (host power supply)
Minimum input impedance: 1 kΩ
New noise ratio: 68 dB
Input wire: 2.0M 8P shielded wire
Accessories: wind sponge, 2.0M 8P T3M shielded cable

Packing include:

(1) MiCWL 1x A450M Wired Digital Conference Host

(2) MiCWL A4520 Table Unit

- (  Chairman   Delegate or all  Delegate Desktop Microphone )

(Please leave meesage or contact us)

(3) 1x AC-DC adapter (100V-250V universal )

(4) 1x Manual.

(5) 1x 10m Cable