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TruAudio

TruAudio SubTerrain Pro Underground Subwoofer, 12" Driver, 400 watts, 4Ω/70v Switchable Green (ST-12PRO)

TruAudio SubTerrain Pro Underground Subwoofer, 12" Driver, 400 watts, 4Ω/70v Switchable Green (ST-12PRO)

ST-12PRO

$2,781.39 USD
$2,781.39 USD
Sale Sold out
Shipping calculated at checkout.

For contractors and dealers: we're here for compatibility checks, substitutions, and large mixed orders whenever we can support them fairly.

Need manual review or a coordination call? Message us—we work within thin margins so some setups are scoped case-by-case.

Contact us Ask a specialist

  • Built for contractor buying
  • Fast shipping on in-stock
  • Product & project help
  • Color: Green
  • SPL: 110dB
  • Speaker Type: Underground Subwoofer
  • Woofer: 12″ injected polypropylene
  • Power: 400 watts
  • Grill Type: Fiberglass reinforced plastic
  • Sensitivity: 89dB
  • Frequency Response: 30Hz – 120Hz
  • Impedance: 4 ohm/70v
  • Finish Dimensions: L: 17.2″ (437mm), W: 17.2″ (437mm), H: 19.8″ (504mm)

SKU: ST-12PRO

Brand: TruAudio — Authorized Dealer

Professional-grade outdoor audio. Wholesale pricing for contractors and dealers.

Contractor Buying Checklist
  • Confirm fixture type and beam angle for the application.
  • Verify transformer capacity for full load plus expansion.
  • Match wire gauge and run length to reduce voltage drop.
  • Check mounting hardware and connector compatibility.
  • For big or mixed orders, use the contact form—quotes depend on stock and margin.
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