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(4 customer reviews)
In stock
  • 6″ Mid Bass – 8 Ohms
  • Ferrite Magnet
  • 550 Watts

From: $79.91



SKU: 6MB550FT Categories: , , Tags: ,


PRV Audio’s 6MB550FT 6.5″ Forte Series midbass was specially tailored to give you more Xmax and less distortion on mid low mid bass frequencies, with its Peak-to-Peak excursion going up to 14 mm (0.55″) this speaker can give a heck of a punch!


The tall 2″ voice coil ensures high heat dissipation and the necessary motor strength to deliver high sensitivity even on high power with the minimum distortion with recommended High Pass filter of 95Hz at 12 dB Octave.

All this attention to detail makes the 6MB550FT one impressive driver. With 94.5 dB efficiency and 550 watts power handling this mid bass is ideally used in stage monitor, auditorium, touring, and outdoor systems. The smooth response from 85 to 7,500 Hz makes it perfect for 2 or 3-way designs.


  • Designed to handle low frequency at a high power output
  • Xmax 5.40 mm – 14 mm Peak-to-Peak excursion before damage
  • A huge magnet for increased efficiency and control
  • High power copper tinsel lead wire
  • Vented pole piece minimizes power compression and increases power handling
  • Rigid cast aluminum frame can withstand the use and abuse of pro and car audio
  • Natural paper cone and double-roll surround for smooth response

A rigid cast aluminum frame with spokes to minimize reflections back into the cone. To drive the voice coil, a large ferrite magnet is used with a very precise machined top and bottom plate.

The additional forced vent in the backplate for the coil allows this driver to handle up to 250 watts RMS without issue.

This mid bass will stand up to years of serious professional use!

Its special composed spider reduces distortion at a high excursion and double roll surround keep cone travel linear at high excursion, while its copper tinsel lead wire is capable of high current transfer makes this driver not only unique but gives all high-performance characteristics and high-quality components providing exceptional clarity, detail, and dynamics sound. 

Its CCAW voice coil has 14.8 mm of winding wire, giving it an incredible 5.40 mm Xmax with capability of 14 mm Peak-to-Peak excursion before damage, which allows its cone to travel over 0.55″ giving a heck of punch.

Featuring a paper cone has a special high strength paper pulp composition designed to achieve the best possible linearity within the middle frequency range and a special cone treatment specifically dedicated to improving the dampening properties of the moving assembly, thus considerably improving the smooth frequency response.


Technical Details


Nominal Diameter 6″ (152 mm)
Nominal impedance 8 Ohms
Rated AES Power Handling (RMS) 275 Watts
Program Power 550 Watts
Sensitivity 2.83V at 1m 94.5 dB
Recommended Hi Pass Crossover** **For Full Power Handling 95 Hz** **12db Per Octave Crossover
Frequency Response at -10dB 85 – 7,500 Hz
Voice Coil Diameter 2″ (51 mm)
Voice Coil Wire CCAW
Voice Coil Winding Depth 14.8 mm
Former Material Kapton
Magnetic Gap Depth 8.0 mm
Frame Material Die cast aluminum


Equivalent Volume Vas 8.23 l
Excursion (mathematical)*** Xmax 5.40 mm
Free Air Resonance Fs 84.9  Hz
Mechanical Factor Qms 3.83
Electrical Factor Qes 0.38
Total Factor Qts 0.34
Cone Area Sd 143 cm²
Mechanical Mass Mms 12.1 g
Bl Factor Bl 9.77 Tm
Dc Resistance Re 5.6 Ohms
Inductance Le 0.424 mH at 1 kHz
Mechanical Mass Without Air Mmd 11.1 g
Mechanical Compliance Cms 0.291 mm/N

***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2+ Mgnetic Gap Depth/4


Overall Diameter 6.48″ (164.5 mm)
Front Mount Baffle Cutout 5.59″ (142 mm)
Mounting Depth 3.33″ (84.5 mm)
Overall Depth 3.64″ (92.5 mm)
Net Weight 5.95 Lbs (2.70 kg) unit
Shipping Weight 6.28 Lbs (2.85 kg)
Carton Dimensions W x L x H 7.08″ x 7.08″ x 4.53″ (180 x 180 x 115 mm)


Customer questions & answers

  1. 0 votes
    Q What amplifier use for these prv mb550ft
    Asked by Jean on June 15, 2020 2:39 am

    It really depends on how many speakers you will use. They like to see about 500w each from an amplifier. 

  2. 0 votes
    Q If I wanted to run 2 of these what amp would you suggest?
    Asked by John on May 22, 2020 9:53 pm

    These speakers can take up to 550w EACH from an amplifier. So for 2 of them they can handle 1100w at 4 ohms when wired in parallel. 

  3. 0 votes
    Q Esta disponible en 4 0hm? Is this available in 4 ohm?
    Asked by Anderson on May 20, 2020 12:39 pm

    Solamente en 8 ohms. Only 8 ohms.

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4 reviews for 6MB550FT


  2. Angel F.

    The best speakers hands down very pleased

  3. Tamir A.

    Excellent speakers

  4. Joshua S.

    Great product

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Repair Parts

Recone Kit for 6MB550FT Loudspeaker



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