Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.
Our team will be on holiday from Dec 22nd to Jan 15th. Please be assured that your order will be dispatched, and any inquiries will be promptly addressed upon our return. We appreciate your understanding and patience during this period.

Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.

Our team will be on holiday from Dec 22nd to Jan 15th. Please be assured that your order will be dispatched, and any inquiries will be promptly addressed upon our return. We appreciate your understanding and patience during this period.

Currently Browsing

Polk Audio MM840 8" Mobile Monitor Subwoofer

SKU: MM840
Polk Audio MM840 8" Mobile Monitor Subwoofer
$199
$199$182.85
Shipping Calculator
  • Standard to Metro (4-10 biz days)
  • Express to Metro (1-4 biz days)
  • Standard to Non-metro (10-20 biz days)
  • Express to Non-metro (2-6 biz days)
  • Pickup (Same or next biz day)
  • Longer ETA applies to NT, WA, NZ & US locations.
  • The above time frames are estimates only. The actual delivery time is dependent on the shipping location, shipper's processing capacity and other unforeseeable factors i.e. natural disasters, accidents etc. We cannot be held responsible for any courier-related delivery delays.
This product is discontinued
  • Availability:Out of Stock
  • Model: Polk Audio MM840
 Sold Out 
Pickup at our Deer Park VIC warehouse. Schedule Pickup »
schedule pickup warehouse

8" Single 4-ohm Mobile Monitor Series Subwoofer


  • Power Handling:
    • Peak: 500 watts
    • RMS: 250 watts
  • Certified for marine use
  • Impedance: Single 4-ohm
  • Polymer woofer cone
  • Butyl rubber surround
  • Carbon composite basket
  • Nickel plated heavy duty terminals
  • Klippel Distortion Analyzer
  • Frequency response: 26-200 Hz
  • Sensitivity: 90 dB
  • Top-mount depth: 3-15/16"

Cart