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NEW PRV Audio RS65-SUBD4 RS Series 6.5" Subwoofer DVC 4x4 Ohm

PRV AudioPart # 294-3580
Model: RS65-SUBD4

The PRV Audio RS65-SUBD4 is a 6.5" shallow car subwoofer rated for 300 Watts RMS, designed to deliver impactful bass in tight spaces without sacrificing performance. It features a dual 4-ohm voice coil setup that lets you configure impedance flexibly for your system. Its compact build makes it ideal for pickup trucks, SUVs, or behind-seat installations.

Key Features

  • Four layer high-temperature copper voice coil built for sustained 300 Watts RMS power handling
  • 8.75 mm Xmax with a high roll surround for deeper bass before distortion
  • Side forced cooling and vented back plate enable improved heat dissipation
  • Dual 4 Ohm coils allow wiring flexibility and easy impedance matching
  • Shallow mounting depth (3.46") makes installation possible in tight or compact enclosures
  • High temperature copper voice coil and beefy motor structure handle demanding power levels
NEW $89.91
MSRP: $112.39
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Overview

PRV Audio RS65-SUBD4 RS Series 6.5" Subwoofer DVC 4x4 Ohm

PRV Audio RS65-SUBD4 RS Series 6.5" Subwoofer DVC 4x4 Ohm

For 15 years, PRV Audio has designed and marketed professional live audio speakers, and is proud to launch the RS Series, which introduces new subwoofers, amplifiers, and car speakers built to deliver high-fidelity sound and performance specifically for the car audio market.

Compact yet powerful, the 6.5″ RS65-SUB car subwoofer delivers impactful bass. Engineered with performance in mind, it is an ideal solution for compact pickup trucks or any vehicle where you want to add a subwoofer without giving up trunk space.


  • Optimized for use in compact enclosures, ideal for under-seat or behind-seat truck boxes
  • 4-layer high-temperature copper voice coil capable of handling 300 watts RMS program power for high acoustic output
  • High roll U surround with 8.75 mm Xmax for low bass reproduction without distortion
  • Side-forced cooling system with vented back plate design for improved heat dissipation
  • Dual 4 Ohm design allows easy parallel connection of two subs to 1 ohm


Its shallow profile takes up minimal space inside any enclosure, while the compact design still prioritizes performance by maximizing excursion capability with equal spacing between the cone, spider, and bottom plate.

This powerful 6.5″ subwoofer can achieve 0.82″ peak-to-peak excursion before damage, enabling deep and impactful low frequency bass.



Recommended Amplifier configurations:

The LPF on amplifiers should be set between 80 – 120 Hz when using musical power up to 300 Watts RMS, Subsonic filters should be set according to music style, this will help to avoid subwoofer damage from excess excursion caused by ultra low frequencies.

Take your time and break them in! A brand-new sub is always a little stiff but after break-in, the subwoofer soft parts will stretch out! This means with less power you will create the same output with more extended low bass tones

Recommended Custom Enclosures: Inside measurements based with 3/4″ wood material.

Single Sub Sealed Enclosure 55 Hz Tunning
All sealed-enclosures should be filled to 50% of poly-fil.

VolumeBox SuggestionPort Size
0.15 ft³7" x 7" x 5.5"N/A

Single Sub Compact Ported Enclosure 50 Hz Tunning

VolumeBox SuggestionPort Size
0.26 ft³7" x 14" x 5.5"Triangle Port 2.5”x2.5”x3.5”
by 12″ Total Length

Dual Sub Recommended Ported Enclosure 45 Hz Tunning

VolumeBox SuggestionPort Size
0.81 ft³7" x 20" x 10"Slot Port 7”x1.25”
by 16.5″ Total Length

Specifications

  • Nominal Diameter: 6.5″ (165 mm)
  • Nominal impedance: 4 + 4 Ohm
  • Nominal Power Handling: 150 Watts
  • Continuous Program Power (RMS): 300 Watts
  • Max Peak Power: 600 Watts
  • Sensitivity 1.41V at 1m: 82 dB (Parallel VC)
  • Voice Coil Diameter: 2.0″ (50 mm)
  • Voice Coil Wire: Copper
  • Voice Coil Winding Depth: 21.0 mm
  • Former Material: Black Aluminum
  • Magnetic Gap Depth: 8.0 mm
  • Frame Material: Stamped Steel
  • Overall Diameter: 6.80″ (172.5 mm)
  • Front Mount Baffle Cutout: 5.70″ (145 mm)
  • Mounting Depth: 3.46″ (88 mm)
  • Overall Depth: 4.01″ (102 mm)
  • Net Weight: 7.27 Lbs (3.30 kg)

*Nominal power handling is defined as the maximum RMS power that the speaker can handle in a 2-hour test with a pink noise with 6dB of crest factor and a bandpass filter with 12db/oct tuned in its usable frequency range.
**Continuous Program Power (RMS) is the maximum power that the speaker can handle considering a regular musical program using our recommended filters, this power can be used to define the optimum amplifier power to avoid a clean signal without clipping or saturation.
***Max Peak Power is the maximum power operation for the speaker, this power is allowed just for a few fractions of a second, usually found just on the peaks of the music. Keeping this power for a little longer timer will damage the speaker.

Product Details

BrandPRV Audio
ModelRS65-SUBD4
Part Number294-3580
UPC810075526219
Unit of MeasureEach
Weight8

Product Specifications

Nominal Diameter6-1/2"
Power Handling (RMS)300 Watts
Power Handling (MAX)600 Watts
Impedance
Sensitivity82dB 2.83V/1m
Voice Coil Diameter2"

Thiele-Small Parameters

Resonant Frequency (Fs)64.5Hz
DC Resistance (Re)1.7Ω
Voice Coil Inductance (Le)0.95mH
Mechanical Q (Qms)5
Electromagnetic Q (Qes)0.66
Total Q (Qts)0.58
Compliance Equivalent Volume (Vas)0.073ft³
Mechanical Compliance of Suspension (Cms)0.09mm/N
BL Product (BL)7.98T·m
Diaphragm Mass Inc. Airload (Mms)61.79g
Maximum Linear Excursion (Xmax)8.75mm
Surface Area of Cone (Sd)123cm²

Materials of Construction

Voice Coil Wire MaterialCopper
Voice Coil FormerAluminum
Basket / Frame MaterialSteel

Mounting Information

Overall Outside Diameter6.80"
Baffle Cutout Diameter5.70"
Depth3.46"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.0592ft³
Sealed F394.27Hz
Vented Volume0.152ft³
Vented F345.51Hz

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