• General Specifications
Power Supply
AC 110 V - 240 V [50 Hz/60 Hz]
Power Consumption
Approx. 65 W
Operating Environment
-10 °C - +45 °C
Dimensions
420 mm (W) x 88 mm (H) x 300 mm (D) (excluding rubber feet and projections)
Weight
Approx. 5 kg
Colour Material
Panel: Black [N2] Aluminum
Cover: Black [N2] Environmentally friendly zinc coating steel
• Electronic Specification (Audio Input/Output)
Microphone Audio Input
Input format: 8-portal circular connector
(Mixed audio signals from microphones in use)
[TCS5074-48-4051] x 4 lines, balanced (electronic balance)
Input level: 6 dBV
Input impedance: 10 k
Ω
Microphone Audio Output
Output format: 8-portal circular connector
(Audio signals for microphone speakers)
[TCS5074-48-4051] x 4 lines, balanced (electronic balance)
Output level: 6 dBV
Output impedance: 10 k
Ω
Output from XLR Connector
Output format: XLR-3-32 pin connector, 1 line, balanced (electronic balance)
(Mixed audio signals from microphones in use)
Output level: 6 dBV
Output impedance: Over 10 k
Ω
Output from RCA Connectors 1 and 2
Output format: RCA connector, 2 lines, unbalanced
(Mixed audio signals from microphones in use)
Output level: 0 dBV
Output impedance: Over 10 k
Ω
Audio Input/Output Terminals
Output terminal SEND
(used for audio quality compensation or
Output format: ø6.5 stereo jack, balanced (electronic balance)
background music broadcasting)
Output level: 6 dBV
Output impedance: Over 10 k
Ω
Input terminal RETURN
Input format: ø6.5 stereo jack, balanced (electronic balance)
Input level: 6 dBV
Input impedance: 10 k
Ω
• Electronic Specification (Communications)
Communications between the Controller
Communications method: RS485/422, 2-lines
and Microphones
Synchronization method: Unsynchronized
Data transmission rate: 19.2 kbps
• Electronic Specification (DC Output)
Microphone DC Power Supply
Supply voltage: DC 24 V, 4 lines
Maximum current consumption: 1.2 A x 4 lines
SPECIFICATIONS
SPECIFICATIONS
• General Specifications
Power Supply
DC 24 V [power supplied through controller]
Power Consumption
Approx. 37 mA
Operating Environment
-10 °C - +40 °C
Dimensions
Microphone arm: Approx. 450 mm
Speaker: 130 mm (W) x 66 mm (H) x 145 mm (D)
Weight
Approx. 660 g
Exterior Colour
Champagne
• Electronic Specification (Audio Input/Output)
Multi-Directional Microphone
Microphone format: Capacitive electret (ECM x 3 pcs.)
for Audio Input
Frontal sensitivity: -50 dB (0 dB = 1 V/Pa, 1 kHz)
from Nearest Speaker
Microphone directional characteristics:
Multi-directionality: Angle: = ±45°
Maximum acoustic pressure for input: 108 dBSPL (distortion: 3 %, 1 kHz)
Fixed Directional Microphone
Microphone format: Capacitive electret (ECM x 1)
for Background Noise Input
(Rear) Frontal sensitivity: -53 dB (0 dB = 1 V/Pa, 1 kHz)
Microphone’s directional characteristics: Uni-directionality
Audio Input for Speaker
Input format: 8-portal circular connector (TCS5074-48-4051), 1 line, balanced (electronic balance)
[cascade connector]
Input level: 6 dBV
Input impedance: 10 k
Ω
Microphone Audio Output
Output format: 8-portal circular connector
[mixed audio signals from
(TCS5074-48-4051), 1 line, balanced (electronic balance)
microphones in use]
Output level: 6 dBV
Output impedance: Over 10 k
Ω
Earphone Output
Output format: Small ø3.5 stereo jack, 2 lines, unbalanced
Output level: 20 dBV
Output impedance: Over 8
Ω
Speaker
With speaker: ø5.7 cm, 8
Ω
Output’s acoustic pressure level: Maximum 80 dBSPL [0.5 m/0.5 W]
• Electronic Specification (Communication)
Same as controller
SPECIFICATIONS
• General Specifications
Power Supply
DC 24 V [power supplied through controller]
Power Consumption
Approx. 37 mA
Operating Environment
-10 °C - +40 °C
Dimensions
Microphone arm: Approx. 450 mm
Speaker: 130 mm (W) x 66 mm (H) x 145 mm (D)
Weight
Approx. 660 g
Exterior Colour
Champagne
• Electronic Specification (Audio Input/Output)
Multi-Directional Microphone
Microphone format: Capacitive electret (ECM x 3 pcs.)
for Audio Input
Frontal sensitivity: -50 dB (0 dB = 1 V/Pa, 1 kHz)
from Nearest Speaker
Microphone directional characteristics:
Multi-directionality: Angle: = ±45°
Maximum acoustic pressure for input: 108 dBSPL (distortion: 3 %, 1 kHz)
Fixed Directional Microphone
Microphone format: Capacitive electret (ECM x 1)
for Background Noise Input
(Rear) Frontal sensitivity: -53 dB (0 dB = 1 V/Pa, 1 kHz)
Microphone’s directional characteristics: Uni-directionality
Audio Input for Speaker
Input format: 8-portal circular connector (TCS5074-48-4051), 1 line, balanced (electronic balance)
[cascade connector]
Input level: 6 dBV
Input impedance: 10 k
Ω
Microphone Audio Output
Output format: 8-portal circular connector
[mixed audio signals from
(TCS5074-48-4051), 1 line, balanced (electronic balance)
microphones in use]
Output level: 6 dBV
Output impedance: Over 10 k
Ω
Earphone Output
Output format: Small ø3.5 stereo jack, 2 lines, unbalanced
Output level: 20 dBV
Output impedance: Over 8
Ω
Speaker
With speaker: ø5.7 cm, 8
Ω
Output’s acoustic pressure level: Maximum 80 dBSPL [0.5 m/0.5 W]
• Electronic Specification (Communication)
Same as controller
420
300
280
35
88
76.2
26.2
57
15.2
117
ECM Microphone
Microphone Indicator
Flexible Stem
Speaker
Power Indicator
Earphone Jack
Volume Control Knob
Microphone-Status Indicator
Microphone ON/OFF Button
Chairman Priority Button
Microphone Cascade Port
Microphone Cascade Plug Cord
CHIME Switch
Chairman Priority Level Switch
Address Setting Switch
External View
Bottom View
ECM Microphone
Microphone Indicator
Flexible Stem
Speaker
Power Indicator
Earphone Jack
Volume Control Knob
Microphone-Status Indicator
Microphone ON/OFF Button
Microphone Cascade Port
Microphone Cascade Plug Cord
Address Setting Switch
External View
Bottom View
Front View
Rear View
Power Button and Indicator
Feedback Suppressor Button and Indicator
Feedback Control Wave Trap
Button and Indicator
PC Control Switch and Indicator
LED Screen
Mode Button and Indicator
Setting Button and Indicator
Adjust Button
External Serial Communication Port
Recording Output RCA Port
Recording Output XLR Port
Audio Equalizer Input/Output Port
Microphone Ports 1/2/3/4
Ground Terminal
AC Power Cord Inlet
DIMENSIONS
25
41
12
61.5
145
130
25
70
60
39
75
87
80
64
70
96
DIMENSIONS
MAJOR OPERATING CONTROLS & TERMINALS
MAJOR OPERATING CONTROLS & TERMINALS
MAJOR OPERATING CONTROLS & TERMINALS
Delegate Microphone Unit
WM-KM22E
Chairman Microphone Unit
WM-KM21E
6
7
Controller
WM-KC20N
Simple, Basic Model 3 System
This system makes it simple to set up
a high-quality Conference Microphone
System with superb voice quality
without using a PC. It also offers the
flexibility to be tailored to user needs.
KEY FEATURES
Controller: WM-KC20N
• Cascade method trying to save line.
• Up to 48 microphone units can be connectable
(12 microphone units x 4 output lines).
• Up to 2 Chairman Microphone Units.
• Built-in feedback suppressor.
• Detailed set can be made without computer.
• Setting Support Software and Operation Support
Software (option) are available.
• Input/output terminals used to regulate the
audio/video system simply.
• High-scalable RS-232C terminal.
Chairman Microphone Unit: WM-KM21E
• Voice switch with super high accuracy.
• Narrow-directional microphone able to
suppress feedback.
• Built-in speaker at the best angle for hearing.
• In elegant champagne gold, the profile is
designed maneuverable and stylish.
• Head-first function.
Delegate Microphone Unit: WM-KM22E
• With all functions of the Chairman
Microphone Unit except head-first
function.
Unit : mm
25
41
12
61.5
145
130
25
70
60
39
75
87
80
64
70
96
DIMENSIONS
Unit : mm
Unit : mm
