Pioneer DEQ-P9 Owner's Manual - Page 9
Important, About the Digital Network
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ENGLISH ESPAÑOL DEUTSCH Important The serial number of this device is located on the bottom of this product. For your own security and convenience, be sure to record this number on the enclosed warranty card. About the Digital Network A vehicle, unlike the home audio, imposes several constraints upon the quality of reproduced sound, and have the following effects: • Reflected sounds have strong effects on direct sounds because of the confined space and complex shape within a vehicle. This disturbs frequency characteristics and significantly reduces sound quality. • The orientation of the sound image becomes unnatural, because speakers may not be installed symmetrically to left and right of the listener, or because speakers are installed in both the front and rear. This system is equipped with a wide variety of functions that use DSP to create the ideal sound quality and sound image in a vehicle and overcome these constraints on reverberation. 8 FRANÇAIS ITALIANO NEDERLANDS