Are MTX Subs Any Good, or Just Loud for the Price?
Worth it, for the right kind of loud
Why factory bass never sounds like enough
You crank the volume at a red light and the bass just isn't there, the factory system coughs out something thin while the car next to you rattles its own windows. Before you drop money on a box, you want a straight answer: are MTX subs any good, or is this just another name stamped on plywood.
How the MTX Terminator box, amp and wiring actually work together
Here's where your money actually goes. This isn't just a box with two woofers dropped in, it's a matched system: a sealed dual 12 inch enclosure, a mono amp sized to drive it, and a 4 gauge wiring kit to carry the current between them. That bundling matters more than it sounds. The single biggest way a DIY bass install goes wrong isn't the driver, it's mismatched parts, an amp too small for the load or wire too thin to carry current without sagging voltage. Buy the kit and that guesswork is gone before you open the box. The enclosure itself is sealed, not ported, and that's a deliberate trade. A sealed box is airtight, so the amp only fights air pressure inside a fixed volume, which gives you tighter, more accurate low end instead of the loose, boomy slam a ported box chases. The 5/8 inch MDF body with the carpet wrap keeps the box itself from flexing and resonating under load, because a box that vibrates is a box eating your amp's output as wasted energy instead of clean bass. The mono amp only handles one job, low frequency signal, so it can push more current at low impedance without the compromises a multi channel amp makes. And the 4 gauge wire is sized so current actually reaches the amp instead of dropping off along the way, which is the quiet failure point in a lot of cheaper builds.
So you're not really buying a subwoofer, you're buying a matched signal chain, box, amp and wire sized to work together instead of fighting each other. That's the honest trade: less raw loudness than a ported box chasing rattle, more control and fewer weak links than piecing one together yourself.
Who this MTX subwoofer kit is for, and who should skip it
Worth it if
- you want one box that already includes the amp and wiring, not three separate purchases
- your daily driver needs tighter, accurate bass rather than max loudness
- you've got trunk space to spare for a dual 12 inch enclosure
Skip it if
- you're chasing competition-level SPL, a sealed box isn't built for that
- your trunk space is tight, like a hatchback or small sedan
- you already own an amp and wiring and only need a driver
Not for anyone chasing competition-level SPL or working with a small trunk.
Are MTX subs any good, the honest verdict
If you want one purchase that solves the bass problem without turning into a project, this is a quiet yes. If you're chasing competition level loud or working with a hatchback's worth of trunk space, look elsewhere first.
The stoplight problem goes away the day you wire this in, the same music that used to sound thin now has actual weight behind it, and you didn't have to research three separate parts to get there. Installing a matched kit instead of assembling one from scratch means less second guessing about whether the amp and wire can keep up with the drivers. That's the real payoff here, not louder for the sake of loud, just bass that matches the rest of the system with no guesswork left over.
Amazon shoppers rate it 4.2 out of 5 across 100 ratings. That is their number, not ours.
Before you go
Is Skar or MTX better?
Neither wins outright, Skar tends to chase raw output per dollar while MTX leans toward build quality and tighter sealed response, so the better pick depends on whether you want loud or accurate.
Who makes MTX subwoofers?
MTX Audio, a car audio brand that has built amps, subwoofers and enclosures since the 1970s, makes this one.
What is the most reliable subwoofer brand?
There's no single agreed winner, but brands that design their own amps and drivers together, MTX among them, tend to hold up better because the components are engineered to work as one system.
What is the best MTX subwoofer?
It depends on the goal, the Terminator line, like this dual 12 inch box, targets easy sealed bass upgrades, while MTX's higher-end Thunder series targets buyers chasing more raw output.
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By the numbers
earn an unconditional yes at full priceOut of 133 electronics products we have reviewed. This one is a yes with a condition attached.
Verdict datasetQuestion indexCC BY 4.0
Full spec sheet
| Audio Output Mode | Mono |
|---|---|
| Mounting Type | Car Mount |
| Enclosure Material | Wood (Mdf) |
| Speaker Type | Subwoofer |
| Additional Features | Bass Boost |
| Antenna Location | Car |
| Subwoofer Diameter | 12 inches |
| Color | Black |
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