4-5k gets you:

Source: Eclipse or Alpine Head Unit

Speakers: PHD AF 6.1 Kit component speakers

Subwoofer: Helix Dark Blue 12 Subwoofer

Amplification: Helix H400 Esprit 4-channel amplifier or PHD 4075 4-channel amplifier

TOTAL: 5k without installation and cables. Add RM200 for 2 pairs of Stinger Nitro 5m RCA cables.

or

Source: Eclipse or Alpine Head Unit

Speakers: a/d/s 236is component speakers

Subwoofer: Helix W12 competition Subwoofer

Amplification: Helix H400 Esprit 4-channel amplifier or PHD 4075 4-channel amplifier

TOTAL: 4.8k without installation and cables. Add RM200 for 2 pairs of Stinger Nitro 5m RCA cables.

blue_snapper: I didn't top anyone's offer. Did you see me quoting his offer or did I put a contact number there?