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6" Mid Range Bullet Loudspeaker


(21 customer reviews)
In stock
  • 6″ Mid Range – 4 Ohms
  • High Performance Bullet
  • 95 dB – 400 Watts

From: $47.91



SKU: 6MR400-4 BULLET-PARENT Categories: , , Tags: ,


The MR BULLET was conceived with one goal in mind: High-Performance!

Featuring an Aluminum Phase Plug (Bullet), this mid is built like a professional mid range loudspeaker, but it has been designed for use in the mobile audio market, as we called it Pro Audio On Wheels®!! By combining elements from PRO Audio and Car Audio, we have developed a NEW type of high efficient mid range that is able to give high levels of output for your custom door.



  • Built to Perform at Wide Frequency Range: 145 – 12,500 Hz
  • Highest Quality Speaker with bullet design available
  • High efficiency: 95 dB guarantees High Output Levels
  • Handles 400 Watts – Endurance at Loudest Volumes
  • Vented Air pole piece for heat dissipation
  • Center phase plug for even sound distribution
  • 4 Ohms Impedance
  • Also available in 8″- 8MR500-4 BULLET

The “bullet” phase plug is made from pure aluminum acting as a radiator cooling system for the voice coil and machined to perfection for even sound dissipation. Beyond good looks, this cone is extremely light, providing excellent damping to keep an incredibly natural yet accurate sound.

A triple roll cloth surround, combined with an optimized fiber pressed paper cone, ensure the speaker’s frequency response is smooth and extends to high range making an easy transition to a super tweeter, but according to customers, the high-frequency response from this speaker does NOT need support from a tweeter!

6MR250B-4 SLIM

The suspension design of this mid range features a single layer spider – which connects to the coil former with premium stitched lead wires, all being driven by a copper-clad aluminum wire voice coil providing high efficiency and excellent power handling.

Its high-performance characteristics and high-quality components provide exceptional clarity, detail, and dynamics sound. You can expect outstanding sound stage quality and realistic sound reproduction for a great value. This is the new standard of value in high-performance bullet speakers.

Built to perform and able to handle 400 watts of continuous power, this mid range is the perfect match on 3-way custom door system such as:

10W500-4 + 6MR400-4 BULLET + TW450Ti-ND-4 making the ultimate sound reproduction machine, with unbeatable sound quality and output.

Technical Details


Nominal Diameter 6″ (152 mm)
Nominal impedance 4 Ohms
Rated AES Power Handling (RMS) 200 Watts
Program Power 400 Watts
Sensitivity 2.83V at 1m 95 dB
Recommended Hi Pass Crossover** **For Full Power Handling 145 Hz** **12db Per Octave Crossover
Frequency Response at -10dB 145 – 12,500 Hz
Voice Coil Diameter 1.5″ (38 mm)
Voice Coil Wire CCAW
Voice Coil Winding Depth 9.5 mm
Former Material Kapton
Magnetic Gap Depth 6.0 mm
Frame Material Stamped Steel


Equivalent Volume Vas 4.40 l
Excursion (mathematical)*** Xmax 3.25 mm
Free Air Resonance Fs 144.1  Hz
Mechanical Factor Qms 11.98
Electrical Factor Qes 0.64
Total Factor Qts 0.60
Cone Area Sd 143 cm²
Mechanical Mass Mms 7.94 g
Bl Factor Bl 6.37 Tm
Dc Resistance Re 3.6 Ohms
Inductance Le 0.136 mH at 1 kHz
Mechanical Mass Without Air Mmd 6.97 g
Mechanical Compliance Cms 0.154 mm/N

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


Overall Diameter 6.59″ (167.5 mm)
Front Mount Baffle Cutout 5.65″ (143.5 mm)
Mounting Depth 2.62″ (66.5 mm)
Overall Depth 2.99″ (73.5 mm)
Net Weight 4.81 Lbs (2.18 kg) unit
Shipping Weight 5.18 Lbs (2.35 kg)
Carton Dimensions W x L x H 8.50″ x 8.50″ x 3.35″ (175 x 175 x 85 mm)

Customer questions & answers

  1. 0 votes
    Q You show this in the mobile category w/ a motorcycle in the picture. Does this mean that these speakers are marine grade? What's the IPxx rating?
    Asked by Jerad Cranke on May 6, 2020 6:58 am

    Not all speakers used on motorcycles are marine grade. These speakers are not marine grade. 


    Not all speakers used on motorcycles are marine grade. While these speakers are not marine grade we do offer a water resistant, not marine grade, 6". Check out the 6MR500CF-NDY-4

  2. 0 votes
    Q How many come in one box ?
    Asked by Jeremy Bencosme on April 15, 2020 2:11 pm

    This speaker comes with (1) per box.

Send me a notification for each new answer.

21 reviews for 6MR400-4 BULLET

  1. Anonymous

    Loud speakers and clear sound. A huge upgrade compared to factory speakers.

  2. max hickman

  3. terrance k.

    Love the speakers , they shipped fast and i will be ordering again as soon as the 6MR500CF-ndy-4 are back in stock. Awesome sounding speakers!!

  4. Jonathan F.

    Amazing sound and power

  5. Michael M.

    Amazing product & fast shipping

  6. shaquille v.

  7. Hector Ortiz

    A+ Class

  8. Benjamin Crespo

    AWESOME speakers love them I blew a set of 6×9 in my saddlebags and replaced with PRV 6X9 and all I can say was WOW. So loud so clear and played over my 6.5 to the point that I had to put my hand on the grill to see if they were working. I replaced my 6.5 with the PRV 6.5 and the sound is loud clear and I have bass. I’m very satisfied i dont think i will blow these but if i do I will be ordering another set without question.

  9. Jean Colon

    Prv audio is one of the best companies no one could ever beat them 100%

  10. anthony mack

  11. jose b.

    Never can go wrong with prv always exceeds

  12. mike cabrera

    Great sound!!

  13. Sheldon Gee


    I haven’t installed them yet.but I did hook one up in the house & o was ridiculously loud & clear. I can’t wait until I put them in

  15. Jesus Garcia

  16. Herman Cruz

  17. Andrea


  18. AbdulHakeem Croskey

    Very fast shipping and nice product highly recommend

  19. Anthony

  20. Alquamar J.

    Excellent speaker for Highs & mids

  21. Danny j.

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