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HiVi M4N 4" Aluminum/Magnesium Midbass

Brand:|Model: M4N|Part # 297-434
A shielded magnet structure allows the HiVi M4N 4" full-range speaker to be incorporated easily into audio/video applications.
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Part # 297-434
  • Gorgeous magnesium-alloy cone
  • Great extension for a small driver
  • Similar sound as the B4N used in the popular Overnight Sensations bookshelf speakers

Product Details

HiVi M4N 4" Aluminum/Magnesium Midbass

A shielded magnet structure allows the HiVi M4N 4" full-range speaker to be incorporated easily into audio/video applications. The driver may be used in a small closed box as a midrange unit in a three-way system and the good extension (70 Hz) in a vented enclosure allows for use in a 2-way two-driver or MTM configured system. Stamped steel frame, magnesium/aluminum ally cone, optimized magnetic circuit, and high temperature CCAW voice coil.

Product Specifications
  • Nominal Diameter4"
  • Power Handling (RMS)15 Watts
  • Power Handling (max)30 Watts
  • Impedance8 ohms
  • Frequency Response69 to 8,000 Hz
  • Sensitivity82 dB 2.83V/1m
  • Voice Coil Diameter0.875"
Thiele-Small Parameters
  • Resonant Frequency (Fs)69 Hz
  • DC Resistance (Re)6.5 ohms
  • Mechanical Q (Qms)5.9
  • Electromagnetic Q (Qes)1.35
  • Total Q (Qts)1.08
  • Compliance Equivalent Volume (Vas)0.16 ft.³
  • Mechanical Compliance of Suspension (Cms)1.28 mm/N
  • Diaphragm Mass Inc. Airload (Mms)4.8g
  • Maximum Linear Excursion (Xmax)3 mm
  • Surface Area of Cone (Sd)53 cm²
Materials of Construction
  • Cone MaterialAluminum / Magnesium
  • Voice Coil Wire MaterialCCA
  • Voice Coil FormerKapton® / Polyimide
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter4.55"
  • Baffle Cutout Diameter3.938"
  • Depth2.55"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.17 ft.³
  • Sealed F371 Hz
  • Vented Volume1.04 ft.³
  • Vented F339 Hz
HiVi M4N 4" Aluminum/Magnesium Midbass
  • BrandHiVi
  • ModelM4N
  • Part Number297-434
  • UPC844632022593
  • Product CategoryMidrange / Midbass Drivers & Full-Range Speakers
  • Unit of MeasureEA
  • Product Rating
    (16 Reviews)
  • Weight1.32 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

View similar products to the HiVi M4N 4" Aluminum/Magnesium Midbass
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HiVi M4N 4" Aluminum/Magnesium Midbass
HiVi M4N 4" Aluminum/Magnesium Midbass is rated 4.4375 out of 5 by 16.
Rated 5 out of 5 by from Replacement for old front speakerI thought that I was going deft but it was old worn out speakers. This little speaker is awesome...
Date published: 2014-08-09
Rated 4 out of 5 by from Great for an UpgradeI was looking to upgrade my old Fluance Audio 5.0 set that I had recently replaced with Polk Audio speakers when I came across this site. This was my first time doing a speaker upgrade like this so I looked very carefully at every speaker I could and finally decided these would be the best fit dimension wise. I only ordered two of them to begin with in case I didn't like them, but once I got them today and put them in the surround speakers boy was it well worth it. They fit perfectly, look awesome, and sound way better than stock speakers, can't wait until they fully break in. Now that I know these work with my application I have ordered 4 more of these and 2 of the HiVi M6N's to complete the upgrade. After hearing these I can't wait to get the rest of the speakers and hear the full set. If all goes well my dad will have a great Christmas this year! Thanks Parts Express for the extremely fast processing and shipping, loving my first experience here.
Date published: 2011-12-03
Rated 5 out of 5 by from Beautiful Sound. Well Constructed.Best sounding speakers for the price/size. Highly recommended.
Date published: 2011-02-25
Rated 5 out of 5 by from Good 4"Definitely a good 4" midbass. I used it in Wolf's Sophomore's project, and it worked beautifully. It's a nice, detailed driver, and the vocals are indeed special. These would be a great driver to use for a center channel as well in a MTM design.
Date published: 2010-09-26
Rated 5 out of 5 by from Best 4" You Can BuyI've used both the M-A and M-N and both series are superb drivers, but this M4N was added as a replacement driver in my DIY project over a poly woofer and simply out shined it. I will use this exclusively in the future for all of my small speaker projects.
Date published: 2010-08-01
Rated 5 out of 5 by from Great little speaker!These little speakers perform really well. I pumped them up to about 50 watts with lots of bass and the sound was really clean.Also, they are a very good value.
Date published: 2010-01-16
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Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email  for a prompt reply.
HiVi M4N 4" Aluminum/Magnesium Midbass

I am considering using 3 of these in a in a tower with the internal volume of 1.2 cu ft. Could I achieve the F3 of 39? Would you recommend a port or a passive radiator? And whats sizes port/ passive radiator would be ideal? Thank you.

Asked by: agin80s
A 2" diameter, 1-1/2" long port will provide an F3 of 39 Hz.
Answered by: MattP
Date published: 2015-08-12

Is there a cad file for Solidworks available? 

Asked by: r40turner
We do not have any cad files available, although you may be able to get one directly from Hi-Vi. You can find them at
Answered by: MattP
Date published: 2014-12-11

I see many speakers with a Power Handling (RMS)15 Watts and Power Handling (max)30 Watts. Is it secure to use this kind of spearkers with a 20 W RMS amplifier at total power?

Asked by: epsilon555
Yes this will be perfectly fine. The RMS number is the most important although wattage is not as important as most people think. Just pay attention to the sound of the speaker and if it sounds distorted at higher levels than it is being over powered.
Answered by: MattP
Date published: 2014-07-07

Could this be used instead of the B4Ns for the overnight sensations???

Asked by: maiker86
Unfortunately no, the Overnight Sensations were designed around the B4N woofer, changing this will change the overall outcome of the design.
Answered by: MattP
Date published: 2014-05-06

Hello, Would like to build 2 tower speakers at 4ohm . Each tower using eight or ten M4N mids and one TN25 for the highs.  I would also like to use the Dayton BPA-386 for the crossover.  Would this be a good set up? Any advice please. Thank you.

Asked by: LittleG
Eight of those drivers in series/parallel will yield a 4 ohm load so this is the number I would stick with. The TN25 will work above 3,500 Hz although I am not familiar with that Dayton crossover model.
Answered by: MattP
Date published: 2014-02-21

What is the Le (Voice Coil Inductance) value of this driver?

Asked by: OvoScott
The Le of this driver is 0.652 mH at 1kHz.
Answered by: MattP
Date published: 2014-02-10
  • 2016-02-09T06:54CST
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  • clientName_PartsExpressInternational

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