[. . . ] Please read these operating instructions before using the equipment for the first time. The Blaupunkt editors are constantly working on making the operating instructions clearer and easier to understand. [. . . ] The amplifier's own fuse protects the amplifier itself, but not the car battery. Connect red wire 6 with positive battery, the wire 7 with negative vehicle ground and the control wire 8 with the control output (e. The ODsb 8000A has two drive options, either via the preamplifier output terminals or the loudspeaker output terminals of the car stereo equipment. preamplifier output terminals are connected to cinch (RCA) jacks of the Woofer Box via a shielded audio line. When using the loudpeaker output terminals as drive option, run the input leads 9 and : When carrying out installation work and making connections please observe the following safety instructions: - Disconnect the negative terminal of the battery!When doing so, please observe the vehicle manufacturer's safety instructions. To the nearest loudspeaker cables (front or back) on the left and on the right, separate them and connect to the input terminals. Bridge output terminals (BTL), can also be connected without an additional adaptor. 1 2 3 4 5 6 7 8 9 : ; Input sensitivity Phase adjustment Crossover frequency Connecting cable Preamplifier input jacks + battery, red - ground, black ON/OFF control input, yellow Loudspeaker input left Loudspeaker input right Fuse 20 A aggerated volume can be achieved by setting the crossover to a low frequency. The Phase control should be adjusted so that the bass blends as best as possible into the overall sound and is not heard as a distinct source. [. . . ] You may have to alternate between finely tuning Gain control 1 and Crossover control 3 to optimise the sound. Ledningen 6 röd ansluts till bilbatteriets plus-pol, ledningen 7 svart till bilens chassie och styrledningen 8 gul till bilstereons styrutgång (t ex för automatantenner och förstärkare). [. . . ]