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6.5" Midrange Bullet Slim Loudspeaker

6MR250B-4 SLIM

(95 customer reviews)
In stock
  • 6.5″ Midrange – 4 Ohm
  • Shallow Mount
  • 93.5 dB – 250 Watts

$33.92

In stock

PRICE FOR SINGLE UNIT

Features

Features

The MR SLIM series was designed as PRO Audio On Wheels solution for shallow doors, featuring an Aluminum Phase Plug (Bullet). This mid is built like a professional midrange 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 midrange that is able to give high levels of output from stock speaker location in your car.

6MR250B-4-SLIM
  • Slim Design – Perfect for door stock location
  • Sound Quality without Cutting up interior Panels
  • 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″- 8MR400B-4 SLIM

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.

Also featuring a cloth M-roll surround helping resonance to be kept under control making for an easy transition to a super tweeter.


6MR250B-4 SLIM

The suspension design of this midrange features the 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.

You can expect outstanding sound stage quality and realistic sound reproduction for a great value.


6MR250B-4-Slim---Highlights---Depth

Built for compact spaces and able to handle 250 watts of continuous power. Its slim design makes this the perfect car audio door speaker, allowing it to be utilized in endless ways.

Loud and clear vocals all within 2.14″ of mounting depth without sacrifice quality and performance.

Technical Details

GENERAL SPECIFICATIONS

Nominal Diameter 6″ (152 mm)
Nominal impedance 4 Ohm
Nominal Power Handling* 125 Watts
Continuous Program Power (RMS)** 250 Watts
Max Peak Power*** 500Watts
Sensitivity 2.00V at 1m 93.5 dB
Recommended Hi Pass Crossover For Full Power Handling 145 Hz 12db Per Octave Crossover
Frequency Response 145 – 8,000 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
  *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.

THIELE-SMALL PARAMETERS

Equivalent Volume Vas 4.0 l
Excursion (mathematical)*** Xmax 3.25 mm
Free Air Resonance Fs 142.9  Hz
Mechanical Factor Qms 28.73
Electrical Factor Qes 0.85
Total Factor Qts 0.82
Cone Area Sd 143 cm²
Mechanical Mass Mms 8.89 g
Bl Factor Bl 5.82 Tm
Dc Resistance Re 3.6 Ohms
Inductance Le 0.135 mH at 1 kHz
Mechanical Mass Without Air Mmd 7.92 g
Mechanical Compliance Cms 0.139 mm/N

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


EXTRA INFO

Overall Diameter 6.50″ (165 mm)
Front Mount Baffle Cutout 5.67″ (144 mm)
Mounting Depth 2.14″ (54.5 mm)
Overall Depth 2.38″ (60.5 mm)
Net Weight 3.53 Lbs (1.60 kg)
Shipping Weight 3.96 Lbs (1.80 kg)
Carton Dimensions W x L x H 6.89″ x 6.89″ x 2.95″ (175 x 175 x 75 mm)
 
WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.govView our Return Policy.

95 reviews for 6MR250B-4 SLIM

4.9
Based on 95 reviews
5 star
94
94%
4 star
4
4%
3 star
1
1%
2 star
0%
1 star
0%

Customer Images

Image #1 from Thomas Crowe
Image #1 from Marcelo Lopes
Image #1 from Lance W
Image #1 from Thomas Crowe

Thomas Crowe

I love them very loud just wish there was more you could do for someone that is pushing your products in motorcycles I do the sound compactions and I have not seen any other person running prv speakers or amps but me and I get asked every time I’m out what in the world am I running so yes it would be nice even shirts and stuff to give away and the shows I fished the pro tour for 26 years and sold millions of my sponsors products and gave away stuff it was amazing something to think about

Image #1 from Marcelo Lopes

Marcelo Lopes

I'm impressed with the sound quality even without an amp. Can wait to put it to its capability with an amp. Being a Brazilian my self. Proud of this great product.

Image #1 from Lance W

Lance W

Very nice great sound very heavy hood speaker

Image #1 from Thomas Crowe
Image #1 from Marcelo Lopes
Image #1 from Lance W
1-10 of 95 reviews
  1. Awesome

    Great sound elven after my tweeter blew

  2. 6.5

    Awesome

  3. 10 Stars ⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️

    Literally The Best Speakers I’ve Ever purchased… SO LOUD, SO CLEAR, SO CLEAN!
    10 Stars hands down the best. I will be ordering more for my son and daughter trucks..

  4. Wish

    I love them very loud just wish there was more you could do for someone that is pushing your products in motorcycles I do the sound compactions and I have not seen any other person running prv speakers or amps but me and I get asked every time I’m out what in the world am I running so yes it would be nice even shirts and stuff to give away and the shows I fished the pro tour for 26 years and sold millions of my sponsors products and gave away stuff it was amazing something to think about

    Image #1 from Thomas Crowe
  5. 250 6.5 slim

    This little speaker is loud and clear. It’s slim design allows it to
    Fit in tight places. Set your high pass crossover about 120hz – 160hz and enjoy loud, full,clear mid range.

  6. PRV blowing the competition out of the water.

    I have always ran ds18 loudspeakers in my trucks but i wanted to try something else and let me tell you these prv 6.5s are like a night and day difference. LOUD AND CLEAR. I have only 2 ran at the moment to a stinger mt1000.5 amd you can hear me almost a mile down the road.

  7. Great product

    I’m impressed with the sound quality even without an amp. Can wait to put it to its capability with an amp. Being a Brazilian my self. Proud of this great product.

    Image #1 from Marcelo Lopes
  8. Worth the price

    This speaker is really loud and good for vocals definitely satisfied with it.

  9. Very nice

    Very nice great sound very heavy hood speaker

    Image #1 from Lance W
  10. W speakers very loud and clear 100% worth the money

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How many speakers are in this box? Is it a single speaker or a double speaker? sara asked on December 1, 2025

The 6MR250B-4 SLIM is sold individually, the price on our website is for 1 unit.

PRV Support Team answered on December 2, 2025 store manager
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