Skip to product information
1 of 1

Polk Audio

Polk Audio PA D4000.4 PAD Series 4-Channel Amplifier - 400W – Marine Electrical Replacement Part

Polk Audio PA D4000.4 PAD Series 4-Channel Amplifier - 400W – Marine Electrical Replacement Part

SKU:45600

Regular price $388.59 USD
Regular price Sale price $388.59 USD
Sale Sold out

Out of stock

  • 30-Day Returns
  • Secure Checkout
  • Free Shipping — Contiguous U.S.

Shipping & Delivery

Free standard shipping is available on all orders shipping within the Contiguous United States, with no minimum order. Alaska and Hawaii are excluded from free shipping. Orders are typically processed within 1–2 business days. See our Shipping Policy for complete terms.

Returns & Refunds

Eligible items may be returned within 30 days of delivery. Items must be new, unused, uninstalled, and in original packaging. An RMA is required.

Installment options at checkout are provided by Shop Pay and its partners and are subject to eligibility. Options depend on your purchase amount and may require a credit check by the financing partner. Terms, rates, and eligibility are determined by the financing partner. For details, see the Shop Pay Installments terms during checkout.

Polk Audio PA D4000.4 PAD Series 4-Channel Amplifier - 400W – Marine Electrical Replacement Part is organized for electrical wiring & connectors shoppers who need a clear, professional marine parts buying experience.

PA D4000.4 PAD Series 4-Channel Amplifier - 400W When install space is at a premium, but your sound system demands plenty of power to realize its full potential, Polk Audio’s new super-efficient D Series amplifiers are a very cool solution. Polk's PA D4000.4 4-channel amplifier may be small, but it can power your front and rear speakers with up to 125 watts RMS each. Or, you can switch this little beast over to 2-channel mode to drive a couple subwoofers with up to 200 watts RMS each. However you use it, this amplifier will fit in almost any location. Separate high- and low-pass filters on the front and rear channels allow this versatile amp to run a variety of speaker systems, like bi-amped

Fitment & Product Details

  • Brand / Manufacturer: Polk Audio
  • Position: front, rear
  • Search-optimized by brand, system, part type, and fitment cues.
  • Verify compatibility with your original part number, engine model, and application before ordering.
  • Built for boat owners, e-commerce shoppers, and professional marine service teams.
View full details