James Loudspeaker® 6.5" Marine PowerPipe Subwoofer-650PTM

Model #: 650PTM
James Loudspeaker
At a Glance

James Loudspeaker® 6.5" Marine PowerPipe Subwoofer with FlexPort and architectural port mounting system

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Get to know this product.

 Inconspicuous by design, James PowerPipe Subwoofers offer seamless fusion of visionary technology and revolutionary performance.

The basic design behind the Power Pipe is to move large amounts of air through a relatively small hose, which resonates at a tuned frequency of about 35Hz. This is achieved through the design of the driver and surrounding sealed cabinet composition. Because the woofer has been tuned with its acoustical peak in the region of frequencies where bass energy in music and movie soundtracks tend to be greatest, the driver can operate at the frequencies within its linear cone excursion range, and rely on the band pass flex tube to simply “amplify” its output.

Features all aluminum drivers mounted inside a sealed enclosure. The front of each unit features a sealed band pass port, where the flex tube attaches and from there connects to any number of available port options.

The optional James M1000 DSP amplifier can power one or two 650PTM subwoofers.


  • Frequency Response: 32-120Hz +/-3dB
  • Nominal Impedance: 8 ohms
  • Sensitivity: 88dB 2.83V/1m
  • Recommended Power Range: 150 - 500W
  • Woofer: 6.5" (165mm) Aluminum
  • Enclosure: Aircraft Marine Grade Aluminum
  • Finishes : Black
  • Height: 9.62 in (244.35 mm)
  • Width: 9 in (228.60 mm)
  • Depth: 17.87 in (453.90 mm)
  • Recommended Amplifier: M1000


Enclosure Type:Sealed
Woofer Composition:Aluminum Cone


Sold As:Each


Speaker Type:Subwoofer Speaker



Misc. Specs

Depth (in.)17.87
Width (in.)9
Height (in.)9.62
Woofer Size6.5"
Maximum Power Handling (Watts)500
Speaker Size6.5
Rms Power Handling500
Subwoofer Size6.5
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