Congratulations, you have just purchased one of the finest mobile audio products on the Diamond Audio Technologies (DAT), a division of CV & DA Holdings Incorporated, warrants this product to be free from market. Diamond Audio products represent the latest advances in electronical and acoustical defects in material and workmanship for a period of one (1) year from the original date of purchase, provided it was technologies in sound reproduction for your vehicle.
WARNING: PRODUCT SPECIFICATIONS Prolonged exposure to sound pressure levels in excess of 100dB can cause permanent hearing loss. Diamond Audio amplifiers can exceed that level so please exercise restraint when listening and enjoying your new amplifier. DE400.4 DE900.5D RMS Power Rating GENERAL PRECAUTIONS •...
INSTALLATION SYSTEM CONFIGURATIONS DE400.4/DE1200.1D Amplifiers Typical Front/Rear/Sub System DE400.4 SIGNAL ENDPLATE DE400.4 POWER/SPEAKER ENDPLATE DE400.4 - 4 Channel Amplifier Battery PreAmp out FRONT PreAmp out REAR PreAmp out SOURCE BAND VIEW MUTE FUNC AUDIO HEAD UNIT (perferredly with 5V output) DE600.1D/DE1200.1D SIGNAL ENDPLATE...
Page 5
Diamond Audio dealer or call our technical support. Subwoofer Level Adjustment(Input Gain) - This control matches the preamp stage of the Diamond Audio amplifier to your source unit. This is NOT a volume control. The range is between approximently 200mV (0.2V) to 5V. (MIN 2 ) Clipping Indicator LED’s -...
Page 6
Original equipment electrical systems, which are in good conditions, should be able to handle the extra load of any Diamond Audio amplifier without problems, althouigh Subwoofer battery and altrernaor life can be reduced depending on your individual listening habits.
Prepare the chassis ground by scraping any paint from the metal surface DE400.4 SIGNAL ENDPLATE and thoroughly clean the area of all dirt and grease. Strip the other end of the wire, crimp and soldier a ring connector.
Page 8
SET UP SYSTEM CONFIGURATIONS DE400.4 - Typical 4 channel Setup Placing the x-over switch in the FULL position sets the amplifier to Full Range. This setting allows ALL frequencies to pass to the speakers. Placing the switch in the HPF or LPF position activates the 12dB crossover. When the switch is set to with 4 speakers HPF(High-Pass) or LPF (Low-Pass) the crossover adjustable is from 50-250 Hz (40-250 LPF on DE900.5D).