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Subwoofer Amp Matching Calculator
Live calculation · matched to AB catalog
Subwoofer Amplifier Matching Calculator Beta
Pick your subs, dial in the wiring, and we'll match the American Bass amp that fits your build.
Pick your AB sub and we'll fill in the RMS, coil type, and impedance automatically.
View on americanbassusa.com →
watts
Pick how you'll wire the coils — the dropdown shows the final impedance and what each option means.
Your build math.
Live impedance, total power, and amp wattage target.
Final Ω
2Ω
Sub-ohm load
System RMS
3000W
2 × 1500W
Amp target
2250–3000W
RMS @ 2Ω
Your matched amps.
Top 3 AB monoblock amps for your build.
Subs
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Pick a sub above to see pricing
Top amp
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Total system
—
Sub + amp
Build it in one click
Pick a subwoofer above and we'll bundle it with the top-matched amp into a single cart link.
What to look for in an amp.
Your amplifier should meet these specs.
RMS Power
375
to 625 Watts
At Impedance
2Ω
stable
Channels
Mono
Class D recommended
✓ Amplifier Shopping Checklist
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RMS Power @ 2Ω: Look for 375 – 625 watts RMS (not peak/max)
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Stable @ 2Ω: Amp must be stable at this impedance or lower
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Monoblock / Class D: Most efficient for subwoofers
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CEA-2006 Certified: Ensures honest power ratings (optional but recommended)
💡 Power Matching Guide: The ideal amp provides 75–100% of your subs' total RMS rating for daily use, or 100–125% for louder setups. Avoid exceeding 150% to prevent damage.
Need speakers too?
Your sub setup is dialed in. Match your front stage with the right multi-channel amp next.
Speaker & Amp Calculator →Invalid password
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