it's a KDS-P901 5.1 DVD Surround Processor W/ EQ. will this do a better job then the HU itself? i don't really need 5.1 and DTS since i don't watch DVDs. but i was thinking that it might be better for CDs/MP3s as well????

# Hideaway Decoder/Digital Processor Designed For KVT-911DVD TV Monitor/DVD Player & Z-910DVD In-Dash DVD Player
# Decodes Dolby® Digital, DTS®, MPEG & Dolby Pro Logic, For Total-Immersion Surround Sound
# 3-Step Digital Adjustment Produces Spatial Sound Effects Of Small, Medium, Or Large Room
# Equalizer Function Provides A 4-Band Digital Parametric EQ, Plus Factory Settings (Rock/Dance)
# Full Digital Bass Management For Control Over Bass Output & Speaker Time Alignment
# Connections For Compatible 5 Line & Kenwood MZ-BUS Components Like A CD Changer