Having never heard an Icon 10" in a sealed box I was wondering if it would be worth the money to upgrade the JL 10w3v3 that is currently in my JL stealth box? Box volume is .625 and is located under the center console in a 2006 toyota tundra double cab. I currently have a 500 watt RF powering it but I would upgrade the amp too if I did the switch. Basically I'm wondering if it would be significantly louder. I understand that a small sealed box isn't ideal for "loud" but it was nice keeping my back seat. Any opinions would be appreciated.