[. . . ] The BEA 60 unit is a four-channel equalizer which incorporates an amplifier and a fader for two and/or four speakers. [. . . ] 3 Frequency control The frequency control is used to increase or lower the different frequency ranges. When the equalizer is switched on, the slide controls are illuminated, giving you the opportunity to check the frequency control positions even while travelling at night. As a motorist you must dedicate your full attention to the traffic around you. Therefore always use your car radio such that to be able to cope with the current traffic situation in any moment. In critical situations it is not advisable to use the car radio set, since careless driving can lead to bad consequences. Do not forget that at a speed of 50 km/h you are already covering a distance of almost 14 m a second. When adjusting the volume, make sure that any external acoustic signals can still be heard in order to react accordingly. The following has to be taken into consideration when connecting a car radio with ARI traffic information: 6 Since the 7 slide controls for the frequencies of 60, 150, 400, 1 000, 2 500, 6 300 and 16 16 000 Hz are still set to their center positions, the device will show no sound control effects, yet. [. . . ] Output power: 2 x 30 W Sinusoidal power: 2 x 20 W with distortion factor of 1%(1kHz) 7 sound control ranges: ± 12 dB for all slide controls Cross-talk attenuation: 60 dB Frequency response: 10 - 65 000 Hz Signal-to-noise ratio > 85 dB DIN loudspeaker inputs Speaker impedances: 2 or 4 speakers per 4 [. . . ]