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Holomy AZZ 400 B-M 12 V Electronic Siren Kit with Digital Controller

SOS-236-999
Holomy AZZ 400 B-M 12 V Electronic Siren Kit with Digital Controller
Holomy AZZ 400 B-M 12 V Electronic Siren Kit with Digital Controller

Key features of Holomy AZZ 400 B-M 12 V Electronic Siren Kit with Digital Controller

• 12 V electronic siren kit with digital control unit
• Maximum amplifier output power: 200 W (4 Ohm)
• 15 backlit buttons and integrated microphone
• Supply voltage: 10.8-15 V DC
• Wail, Yelp, HiLo, Horn, Manual and Hands-Free functions
• Warning light, work light and display control
• Public Address function with 6 microphone volume levels
• Includes AZZ 400 B-M-002 and AZJ 400 B-M-16-MAG-2

Gross price (including 27% VAT): 937.51€ (Net price: 738.20€)
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Further details of Holomy AZZ 400 B-M 12 V Electronic Siren Kit with Digital Controller

The Holomy AZZ 400 B-M electronic siren kit is designed for vehicle-mounted acoustic and visual warning systems. The kit consists of a 12 V AZZ 400 B-M-002 siren amplifier and an AZJ 400 B-M-16-MAG-2 digital control unit. The controller features an integrated microphone, 15 backlit push buttons and LED status indicators. The system provides siren tone generation, public address announcements, warning light control and auxiliary lighting functions.

Holomy AZZ 400 B-M Siren Kit Features

• 12 V electronic siren amplifier
• Handheld digital control unit
• Maximum siren output power: 200 W at 4 Ohm
• 15 push buttons with white backlighting
• Integrated microphone with side-mounted push-to-talk button
• Red and yellow LED status indicators
• Wail, Yelp and HiLo siren tones
• Horn, Manual, Hands-Free and RANDOM functions
• Six selectable microphone volume levels
• Day and night warning light modes
• Warning light, auxiliary lighting and display control
• External audio source connection
• Digital LIN-bus communication between the controller and amplifier

AZZ 400 B-M-002 Electronic Siren Amplifier

The AZZ 400 B-M-002 is the acoustic warning and control component of the kit. It reproduces siren tones through connected loudspeakers and controls additional warning system functions according to commands received from the control unit.

Amplifier Technical Specifications

• Nominal supply voltage: 12 V DC
• Operating voltage range: 10.8-15 V DC
• Maximum output power at 4 Ohm: 200 W
• Maximum output power at 8 Ohm: 100 W
• Maximum current consumption at 200 W: 16 A
• Frequency range: 500 Hz - 8 kHz (-3 dB)
• Standby current consumption: approximately 300 mA
• Current consumption when switched off: maximum 4 mA
• RL1 and RL2 output current rating: 5 A per output
• X4 control output current rating: 80 mA per output
• Protection rating: IP20
• Dimensions: 122 x 67 x 182 mm
• Weight: 1900 g
• Homologation number: E8 10 R - 04 1504

Loudspeakers and Siren Tones

• Connection of one or two 100 W horn loudspeakers
• Wail siren tone
• Yelp siren tone
• HiLo siren tone
• Horn warning signal
• Alternative siren tone selection through Manual operation
• Automatic siren tone switching through RANDOM operation
• External audio amplification through Radio Rebroadcast

AZJ 400 B-M-16-MAG-2 Digital Siren Controller

The AZJ 400 B-M-16 series digital controller features a handheld housing similar to a vehicle radio microphone. It can be positioned on the dashboard and removed from its holder when required. The integrated microphone and push buttons provide control over the acoustic and visual warning system.

Controller Technical Specifications

• Digital control unit
• 15 push buttons with dim white backlighting
• 15 button status LEDs
• 4 additional LED indicators
• Integrated microphone
• Side-mounted PA push-to-talk button
• Supply voltage: 10.8-15 V DC
• Powered by the AZZ 400 B-M amplifier
• Maximum current consumption: 60 mA
• Standby current consumption: approximately 40 mA
• Current consumption when switched off: maximum 4 mA
• Protection rating: IP20
• Dimensions: 125 x 65 x 25 mm
• Weight: 220 g
• Homologation number: E8 10 R - 04 1504

Holomy AZZ 400 B-M Siren Kit Operating Functions

Power and Standby Operation

• Activation using the PWR button or vehicle ignition signal
• All push buttons are illuminated in standby mode
• Only the PWR button remains dimly illuminated when switched off
• Holding PWR switches the system into its minimum current consumption state
• Switching off the ignition does not automatically deactivate standby mode
• Automatic shutdown after 1 hour of inactivity from serial number BN 354

Day and Night Modes

• Day and night warning light modes selected using the PWR button
• Night mode reduces the brightness of blue warning lights
• Reduced brightness remains at a homologated level
• Red LED indication of night mode

Siren Tone Control

• Button 1: Wail tone
• Button 2: Yelp tone
• Button 3: HiLo tone
• Tone assignments refer to the factory default configuration
• Selecting a siren tone automatically activates the warning lights
• Siren tones can be switched off while warning lights remain active
• The HORN button activates a warning tone while held down
• HORN has priority over the other siren tones

Manual and RANDOM Functions

• Manual function for rapid switching of the selected siren tone
• Manual operation requires active warning lights
• Pressing MAN again restores the original tone
• RANDOM function for automatic siren tone switching
• RANDOM can be cancelled by direct tone selection, MAN or the warning light button

Hands-Free Function

• Siren tone control using the vehicle horn switch
• Short horn switch press: activates or changes the siren tone
• Press longer than 300 ms: activates the HORN signal
• Double horn switch press: deactivates the siren tone
• Selected siren tone indicated by controller LEDs
• Tones selected through Hands-Free can also be changed or switched off using the controller

Public Address and External Audio Functions

The integrated microphone supports voice announcements through the PA function. It is activated using the side-mounted push-to-talk button.

• Microphone activation while holding the side-mounted button
• Six selectable microphone volume levels
• Volume adjustment using the controller buttons
• LED indication of the selected volume level
• Original button functions are restored when the push-to-talk button is released
• PA has priority over siren tones except HORN
• Radio Rebroadcast function for external audio signals
• Radio Rebroadcast can operate without activating the main warning lights

Warning Lights and Auxiliary Equipment Control

• Main warning light activation and deactivation
• Warning light operation without siren tones
• Auxiliary warning light switching
• Day and night warning light modes
• Left and right directional arrowbar control
• Side work light control
• Front work light switching through AUX-1
• Front and rear display activation and deactivation
• Active display message switching through AUX-2
• SIPO feedback for monitoring warning light operation

Display Control

• Front display control through X4/ODP
• Rear display control through X4/ODZ
• Display message switching through X4/OVL1
• Factory default operation with one- or two-message displays
• Activating the front display automatically deactivates the rear display
• Activating the rear display automatically deactivates the front display
• Multiple-message displays require modified macro settings

AZJ 400 B-M-16 Button Configuration

• Functions of the 15 push buttons can be configured using macros
• Unused functions can be disabled
• Pressing a disabled button does not activate its status indicator
• Additional macros are available for multiple-message displays
• Macro configuration document: 2LN054382list30A-03_makra_OJ16

OZN 102UP-56/7 Display Configuration Example

• Front display button: macro 4
• Rear display button: macro 4
• AUX-2 button: macro 6

Holomy Siren Kit Connections

The digital controller connects to the AZZ 400 B-M amplifier using a flexible coiled cable. The controller receives its power supply from the amplifier, while digital communication is provided through LIN-bus.

Controller Connection

• 8-pin RJ45 connector
• Digital LIN-bus communication
• Coiled connection cable
• 2 m extension control cable: 4005220161
• 5 m extension control cable: 4005309334
• RJ45 coupler: 4005309333
• A shielded cable is required for extension

RJ45 Connector Pin Assignment

• Pin 1, red: LIN-bus communication
• Pin 2, black: microphone signal switching
• Pin 3, white: microphone GND
• Pin 4, green: GND signal
• Pin 5: not connected
• Pin 6, orange: microphone signal
• Pin 7, blue: +12 V power supply
• Pin 8, brown: power supply GND

Amplifier Connectors

• X1: power supply
• X2: loudspeaker and power outputs
• X3: control inputs and outputs
• X4: warning light and auxiliary equipment control
• X6A and X6B: digital control units and additional Holomy equipment

Amplifier Power Supply Fuses

• At 100 W: +BATM 15 A, +BATZ 15 A
• At 200 W: +BATM 15 A, +BATZ 20 A
• RL1 and RL2 power outputs protected by separate 5 A fuses
• Digital control unit power supply protected by a 2 A fuse

Installation and Operating Conditions

• Operating temperature: -25 to +50 degrees Celsius
• Maximum operating relative humidity: 90%
• Operating environment free from harmful vapours
• Controller positioned within the driver's field of vision
• Controls accessible to both driver and front passenger
• Controller positioning must comply with ECE Regulation 21
• Adequate airflow must be maintained around the amplifier
• Installation of the amplifier in small enclosed spaces must be avoided
• Power supplied directly from the battery using shielded cable
• Fuses installed near the battery
• Connections must follow the system wiring diagram

Transport and Storage

• Transport temperature: -25 to +55 degrees Celsius
• Maximum relative humidity during transport: 75%
• Transport in enclosed, covered vehicles
• Maximum stacking during transport: 6 units
• Storage temperature: +5 to +30 degrees Celsius
• Maximum relative humidity during storage: 75%
• Storage protected from chemical effects, ground moisture and radiant heat
• Maximum stacking during storage: 10 units

Holomy AZZ 400 B-M Siren Kit Components

• 1 x Holomy AZZ 400 B-M-002 electronic siren amplifier
• 1 x Holomy AZJ 400 B-M-16-MAG-2 digital control unit with integrated microphone


The two components provide control of the vehicle acoustic and visual warning system. A suitable loudspeaker is required for siren tone reproduction. Warning lights, work lights and displays can be controlled according to the connected equipment and system configuration.