Audio Information Systems
Crystal Clear Audio Experiences for your Passengers
We offer a comprehensive range of equipment, from continuously adjustable driver microphones and digital audio amplifiers for internal and external announcements to a multi-channel amplifier for connecting high-quality bus radios.
If desired, you can design excellent audio experiences for your passengers in no time with components such as equalizers, delay correction, and easy-to-install plug & play, and provide clear, informative announcements.
Audio Solutions for Buses and Trains
GM Automotive sound systems are pre-designated for use in local passenger transport and public transportation.
Discover information and entertainment from a single source, and enjoy comfort for drivers and passengers.
DMV2 MIC
The DMV 2-MIC digital audio amplifier has an output power of 2 x 45 watts. Two versions are available: the SA-1-002-01 DMV2 version with a Molex connector and the SA-1-002-02 DMV2 version with a Bosch adapter.
The device has 2 Remote In and 2 Line In ports. It can be used for indoor and outdoor announcements. Because a Bosch adapter is included, the DMV2 can be easily integrated into existing vehicle infrastructure via plug and play.
To ensure the quality of our products, this product undergoes a comprehensive and rigorous quality assurance process with very accurate unit tests at every major production stage.
DMV4 MIC
The DMV4-MIC is a 4-channel amplifier with integrated 56-bit DSP technology and an output power of 4 x 45 watts. A wide variety of bus radios can be connected to the amplifier. With the built-in DSP, vehicle-specific audio settings (e.g., equalizer) or delay time correction (optional) can be made.
To ensure the quality of our products, this product undergoes a comprehensive and rigorous quality assurance process with very accurate unit tests at every major production stage.
TM310 Announcement Mcrophone
Features
Dynamic microphone capsule
Directional Robust gooseneck casing
Durable sliding switch
Electromagnetic interference compensation
Antimicrobial, scratch-resistant, sweat-resistant powder coating
Scope of delivery
Gooseneck microphone and connecting cable
Application area
Radio and announcement systems in mobile and fixed applications
General
Sheath: Brass, Black
Gooseneck: Steel spiral, brass outer coil, Black
Dimensions: Length 792 mm, head Ø 29 mm, body Ø 24 mm, gooseneck Ø 15 mm
Weight: 726 g
Connection: 4-core cable, 2 cores shielded, 2.7 m, connector plug
Storage temperature: -30 °C to +70 °C
Operating temperature: -20 °C to +60 °C
Control element: On/off switch (slider switch), Black
Microphone
Frequency Range: 300 Hz to 6 kHz at -10 dB
Sensitivity: 1.5 mV/Pa (-56 dBV/Pa ± 3 dB)
Impedance: 200 ohm ± 20% at 1 kHz
Polar pattern: Cardioid (1 kHz; 180° -15 dB)
RFM 02 Driver microphone
Robust telescopic microphone for use on city buses and trains. Two versions are available: version A-3-004-04 without control cable, and version A-3-004-05 with control cable.
Switching on and off is done by activating the amplifier. The telescopic microphone is continuously adjustable and can be rotated in any direction thanks to the 360-degree joint integrated into the base. A 1.5-meter connection cable is included.
To ensure the quality of our products, this product undergoes a comprehensive and rigorous quality assurance process with very accurate unit tests at every major production stage.