Key Features
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Power Amplifier with PA system
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True RMS 100 W or 200 W (2×100 W)
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Low Freq. Resonator, Optional
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Record’n’Play Function, Optional
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Horn Ring Cycler
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Full CAN Bus Control
PAS 100 / PAS 200 - Digital Siren Amplifier
The PA electronic Siren Amplifier PAS-100/200 is designed to be used in Emergency vehicles such as ambulance, firefighting, police or other law enforcement vehicles. The amplifier is available in 100 W and also in 200 W version with two independent channels of 2x 100 W True RMS. It can provide a wide range of pre-programed siren sounds that can be set according to the different country regulations and market needs. Incorporates radio broadcast – two radio inputs and PTT handheld unit with a public access (PA) override function – two mic. inputs.
The siren sound can also be changed with the Ring horn button – Horn Ring Cycler function. It has an integrated OEM Horn Ring transfer Relay and load simulation resistor to avoid problems of displaying errors on vehicle’s dashboard when the OEM Horn wire is cut. Optionally it can be supplied with extened memory used for Record’n’Play function. For additional functions, two digital high side outputs and inputs are available.
The PAS100/200 amplifier is a part of Emitter Electronics MMX family products and can be controlled by MMX LCD units, keypads or used together with customers CAN bus system.
As a special function, the Amplifier can transfer the sound via RS485 to other devices E.g. Intercom system etc
| POWER | |
| Supply Voltage | 24 V version: 20-32 V DC 12 V version: 8-16 V DC |
| Current | <50 mA @ IDLE |
| PAS-100 | max. 15 A + dig. outputs @ 12 V max. 7.5 A + dig. outputs @ 24 V |
| PAS-200 | max. 30 A + dig. outputs @ 12 V max. 15 A + dig. outputs @ 24 V |
| Electrical Protection | Overvoltage, under-voltage, transients, reverse polarity by breaking external fuse, load dump, over-temperature |
| INTERFACES | |
| CAN | 1x CAN, up to 1 Mbps, default Baud rate 250 kbps (optional ≤ 1 Mbps) |
| CAN Termination | 120 Ohm, configurable with internal DIP switch |
| El. Protection | Short to GND or Ub, allowable voltage on pins 0..32V |
| RS485 | Optional used for audio transfer, Baud rate ≤ 1 Mbps |
| RS485 Termination | 120 Ohm, DIP switch |
| El. Protection | Short to GND or Ub, allowable voltage on pins 0..32V |
| AUDIO I/O | |
| Inputs | |
| Microphone Level Input | 2 x, differential or single ended input, 100 Hz .. 10 kHz @-3dB |
| PTT (Push To Talk) Input | 2 x, active low logic, integrated pull-up resistor |
| Speaker/Line Level Input | 2 x, differential or single ended input, 100 Hz .. 10 kHz @-3dB |
| Outputs | |
| Speaker Output PAS-100 | 1 x 100 W RMS @11 Ω output |
| Speaker Output PAS-200 | 2 x 100 W RMS/ch @11 Ω outputs |
| PAS-200LF | 1 x 100 W RMS @11 Ω output + 1 x 100 W RMS @4 Ω Low Freq. output for 2x 50 W/8 Ω speakers connected in parallel |
| El. Protection | Overload – short between pins, short to GND or Ub, over temperature |
| DIGITAL I/O | |
| Inputs | 2 x, active high logic, integrated pull-down resistor |
| El. Protection | Short to GND or Ub, allowable voltage on pins 0..32V |
| Outputs | 2 x, high side switch ≤ 2.2 A |
| El. Protection | Overload – short between pins, short to GND or Ub, over temperature |
| OEM HORN CONTROL | |
| Relay | Integrated, normally open contacts, 24 V:I ≤ 15 A, 12 V:I ≤ 30 A |
| OEM Horn Input | Voltage sensing, pull-down (optional pull-up) load simulation resistor |
| MISCELLANEOUS | |
| Temperature range | |
| Storage | From -40°C to +85°C |
| Operation | Ambient from -40 to +65°C, internal -40 to +105°C (at full load) |
| IP Class (IEC529) | IP2x |
| EMC | Designed to EN 61000-6-2, noise immunity |
| Designed to EN 61000-6-4, radiation of interference | |
| Designed to ISO 7637-2 pulse immunity, load dump | |
| Designed to ECE-R10.5 noise immunity | |
| ENCLOSURE | |
| Matting Connector | |
| Power Connector | Mega Fit 10-way dual row for cables 2.5 mm2 (14 AWG) |
| Signal Connector | WR-MPC3 20-way dual row for cables 0.5 mm2 (24-20 AWG) |
| Housing material | Aluminium housing - anodised |
| Mounting | 4 screws M4 or tapping screws with max. diameter of 4.5 mm |
| SIZE AND WEIGHT | |
| Housing dimensions | W x H x D |
| PAS-100 | 105 x 48 x 160 mm |
| PAS-200 | 105 x 48 x 220 mm |
| WEIGHT | |
| PAS-100 | 0,8 kg |
| PAS-200 | 1,1 KG |
Product flyer
Product flyer with datasheet
Siren Speakers
Three types of high-performance, heavy-duty siren speakers are available, designed to deliver clear voice reproduction and withstand extreme weather conditions. All models are fully compatible with Emitter Electronics siren amplifiers.
SPK –R100W11-01 Standard 100W speaker offering robust performance and reliability.
SPK-R100W11-02 A powerful, slim-profile 100W speaker with powerful acoustic performance delivering sound levels over 122 dB. Its compact design allows flexible installation options, including tight spaces such as under the vehicle hood.
SPK-R50W8LW-01 Specialized low-frequency 50W speaker, designed to be used in pairs and connected to a single audio channel on specific siren amplifiers. This configuration generates infrasound waves that penetrate solid objects, allowing both drivers and nearby pedestrians to physically feel the alert. Perfect for use in dense urban environments and high-traffic zones.
| Power | 100 W |
| Impedance | 11 Ohm |
| Sound frequency range | 200-5.000 Hz |
| Sound compression level | >118 dB |
| Weight | Approx. 3 kg |
| SPK –R100W11-01 | Speaker PA 100 W, 11 Ohm, >118 dB, 200-5.000 Hz, ~3kg |
| SPK-R100W11-02 | Speaker PA Super Thin 100 W, 11 Ohm, >122 dB, 200-5.000 Hz, ~3kg |
| SPK-R50W8LW-01 | Speaker Low Frequency 50 W, 8 Ohm |
| For more options please contact the supplier. |
Product flyer
Product flyer with datasheet