If you ever wanted more bass to your sub woofer bandpass box? Now you can on the cheap instead of buying poly fill.
Step 1: What You Need
Go purchase, pillow stuffing from art supply, wal mart etc.
Step 2: 123
1. disassemble screws, disconnect speaker wires
2. Stuff the stuffing into your box/sub woofer
3. re assemble wires, screws, face plate, speaker
Turn on your radio receiver in your system, and notice the difference in cleaner bass