WAM-432 Wireless Automatic Mixer



WAM-432 automatic intelligent wireless mixer is a new generation of products designed with high-performance microcomputer processor as the core of Relacart’s strong research and development strength. The design is professional and novel, and the digital control technology and advanced audio processing technology. The perfect combination of processing technology and network technology, intelligent control, fully automatic work; connecting AMC-20 audio and video control system can realize audio and video management functions. Apply to high-demand multi-purpose demonstration halls, small and medium-sized performances, hotels, boardroom, government departments, courts, etc.

Key Features:

◆Practical Function:Automatic gain adjustment by microprocessor control.True diversity receiving for best reception quality.“NoiseStop”circuits prevent interference.Circuit design of high fidelity can automatically calculate the most suitable for the whole system gain, avoid the feedback. Microphone input gain is adjustable. UB-222 and UD-222 is set with low-cut switch, applying to different environment.Output level is adjustable.

◆Easy Installation:Convenient installation, simple operation. No need to dig holes or lain lines, can install the system on the spot for real time setting.

◆Flexible Expandsion:Cascaded connection function, can daisy chain up to 8 pieces of WAM-432, 32 microphone delegate can be used at the same time.Make the setting in one of the receivers, the data will be synchronized to the other receiver of cascade, wireless intelligent mixer is equivalent to a table up to 32 channels. Video tracking function. Combine VTS-1000 video tracking system to realize the function.Central control function to control the delegate.

◆Flexible Speech:Speaker Number Limitation function, select the simultaneous.open microphones to 1 unit, 2 units, 3 units or 4 units. Last microphone on selectable for continuous room ambiance. Microphone hold time for 0.1s-1s. Priority microphone function.

◆Super Wide Frequency Range:134MHz super wide band width, over 500 selectable UHF frequencies, true diversity receiving reliable and anti-interference. Super wide frequency range UHF554MHz~936 MHz Group type frequency selection, more easily select no intermodulation interference frequency.

◆A variety of Input and Output:

Several inputs / outputs for audio signals:

--RCA outputs to realize long distance with low noise transmission.

--RCA inputs / outputs for recordings.

--Unbalanced line outputs (6.3mm jack ).

--Balanced XLR outputs.

Product Specification


WAM-432 Digital&Wireless Automatic Mixer
· EIA standard 1U metal chasis, combining with delicate OLED display aluminium
alloy panel,professional and elegant.
· Backlit OLED display shows microphone status, operation mode,master working status,
speaker numbers, AF audio signal.
· Equipped with handle,easy for lift or move.

Carrier Frequency Range: 522MHz~936 MHZ
Receiving Channel: 4 Channel
Receiving Mode: True Diversity
Frequency Reliability: 0.005%
Bandwidth: 32MHz
Receiving Mode FM
Receiving Sensitivity: 5dBμV, S/N>60dB
Max. Deviation Range: at 25 KHz deviation
Distortion: ±45KHz
Frequency Response: <0.9%@1KHz
S/N: >100dB 65Hz-16KHz ±3dB
Audio Output: >100dB
Audio Cascading: XLR socket
Data Cascading: Double-layer S terminal socket
Communication Port: Double-layer S terminal socket
Power SupplyDC: RS-232
Dimension(mm): 12V / 12W
Weight: 410(W)x43(H)x206(D)


AMC-20 Automatic Mixing Controller

·Support mixer data control, audio mixing connection, HD camera connection.
·It can support 20 mixers and 4 HD cameras.
·Support system automatic frequency calculation.

Power supply: DC 12 V
Current:   0.23A
Frequency response:   20 Hz to 20 kHz+0/-1dB
Total harmonic distortion:   <0.03% (f=1KHz)
Signal to noise ratio:   >98 dB (THD<1%, f=1KHz)
Dynamic range: 98dB
Video input:   BNC female
Video output:   BNC female
Video interface impedance:   75 ohms
RS-232 control protocol interface:   5P fast connection
RS-422 control protocol interface:   5P fast connection
RS-232 control protocol interface:   9-pin serial port
Data interface:   RJ11
Audio output:   XLR female
Audio input:   XLR male
Display type:   OLED
Button mode:   Touch Button  
Dimensions (mm):   410 (W) x43 (H) x 206 (D)


UD-222 Wireless conference microphone
• Desktop gooseneck wireless conference microphone, simple design, durable metal material, multi-function LED display, built-in high-pass filter and gain adjustment, silent touch switch. Suitable for various applications in government departments, institutions, etc.

Carrier Frequency Range: 522MHz~936MHZ
Oscillation: PLL Synthesized
Harmonic Radiation: ≤50dBm
Bandwidth 134MHz(It depends on the region)
Max. Deviation Range: ±45KHz
RF Output Power: 13mW
Battery:  AAx2
Current Consumption: 130mA(Typical)
Battery Current/ Life: Approximately 9 hours
Microphone Lengths: 340mm/420mm(default)/480mm
Weight: Approximately 830g (w/o battery)
Color: Nickel Black

Ud-223 Professional wireless conference microphone base

Carrier Frequency Range 470MHz~936MHz
Oscillation PLL Synthesized
Harmonic radiation Above 50dBm below the main wave
The band width 134MHz (depending on region)
Maximum offset ±45KHz
RF power output 10mW
Low cut switch 200 hz
The battery AA×4
Current consumption 180 mA (typical)
Size (mm) 170 (l) x129 (w) x49 (h)
The weight of the About 580G (excluding battery)

UB-222 Boundary Microphone
· The microphone switchcan control or be controlled byexternal automatic central
 control system or other devices.
· Superior off-axis rejection for maximum gain before feedback.

Carrier Frequency Range:  522MHz~936 MHz  
Modulation:  FM  
Harmonic Radiation:  <45dBm
Bandwidth:   134MHz(It depends on the region)
Max.Deviation Range :  ±45KHz  
Elements:   Fixed-charge back plate,
Polar Pattern:  Cardioid (120°sound-pickup angle)
RF Output Power:   10mW
Dynamic Range:  >95dB,A Weighting  
Audio Potentiometer:   -10~10dB
Frequency Response:   50Hz-17KHz
Low-cut Switch:   200Hz/-6dB
Battery:  AAx2  
Current Consumption:   130mA(Typical)
Battery Current/Life:    Approximately 9 hours
Dimension (mm):   110(W)x40(H)x110(D)  
Weight:  Approximately 505g


UH-222 Wireless Handheld Microphone
· Handheld wireless microphone, simple design style, durable metal material, high contrast OLED display, built-in gain adjustment function, mute switch (optional mechanical switch). Microphone modular design, and various features of the capsule module optional, suitable for various occasions such as speech, singing, etc.

Carrier Frequency Range: 522MHz~936MHz
Oscillation: PLL Synthesized
Harmonic Radiation: <45dBm
Bandwidth: 134MHz(It depends on the region)
Max. Deviation Range: ±45KHz
Microphone Element Dynamic/Condenser(removable)
RF Output Power: 10MW/40MW
Battery:  AAx2
Current Consumption: 110mA(Typical)
Battery Current/ Life: Approximately 11 hours
Microphone Lengths(mm): 52(Φ)x255(L)
Weight: Approximately 235g (w/o battery)



UT-222 Wireless Bodypack Transmitter
• bodypack-style wireless microphone, simple design, lightweight and practical engineering materials, durable, multi-function OLED display, built-in input selector switch, can be used to facilitate the instrument. The standard mini XLR microphone interface is suitable for a variety of well-known headset and clip microphones on the market. It is suitable for applications such as speech and singing.

Carrier Frequency Range: 522MHz~936MHZ
Oscillation: PLL Synthesized
Harmonic Radiation: <45dBm
Bandwidth 134MHz(It depends on the region)
Max. Deviation Range: ±45KHz
Input Connector: 4-pin mini-XLR connector
RF Output Power: 10MW/40MW
Battery:  AAx2
Current Consumption: 110mA(Typical)
Battery Current/ Life: Approximately 11 hours
Dimension: 84(H) X66(W) X 23(D)
Weight: 155g (w/o battery)

Communication with Relacart Wireless Audio Engineer

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