Marine Audio Journal
600 Watts, No Box: The Subwoofer JL Audio Calls "King of Bass"
Most infinite-baffle subs top out around 250W RMS. The M7 handles 600, more than double, in the same no-enclosure format.
One Has a Built-In Amp, One Doesn't, and the Cheaper One Isn't the Downgrade
The MM105-HR costs $300 more than the MM55-HR but drives zero speakers on its own. That's not a pricing mistake, it's a completely different design philosophy.
Same 150 Watts Per Channel, $650 Apart: Fusion and JL Audio's 4-Channel Flagships
Both amps deliver 150W RMS per channel at 4-ohm. One costs $749, the other $1,399.99. The gap isn't in the number that matters most on paper.
The Subwoofer Question Isn't Which Brand, It's Which Cavity You Have
Free-air, enclosed, and passive-radiator subs aren't competing on sound quality, they're solving three different installation problems.
The "2400" in Fusion's Amp Name Isn't What You Think It Means
Apollo 1200, 1800, 2400. It reads like a power ladder. Actually, all three deliver the exact same power per channel — the number is total peak wattage, not a performance tier.
What Nearly Double the Budget Actually Buys You Over a DS18 Build
Our DS18 system priced out at $815.75. Here's the JL Audio equivalent at $1,429.95, and exactly what that extra $614.20 pays for.