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Electro-Voice CO4 Cobalt Dynamic Mic

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Rugged and versatile, it yields outstanding performance in all applications requiring miking of electric and acoustic instruments. Serves well for vo...Click To Read More About This Product

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Don't Forget

Rugged and versatile, it yields outstanding performance in all applications requiring miking of electric and acoustic instruments. Serves well for vocal performance, too. Excellent for stage or studio use, the rugged Co4's versatility makes it a "must have" in any microphone mix.

FEATURES
  • Element: Dynamic, Neodymium magnet structure
  • Frequency Response: 50Hz to 18kHz
  • Polar Pattern: Cardioid
  • Impedance: Low-Z balanced (600 Ohms)
  • Sensitivity: Open Circuit Voltage 2.8 mV/Pa (-51dBV) re 1 Pa*
  • Microphone Connector: 3-pin, XLR-type
  • Polarity: Pin 2 positive, referenced to pin 3, with positive pressure on diaphragm
  • Finish: Durable polyurethane paint
  • Materials: Die cast zinc housing
  • Dimensions: Length: 5.8" (148 mm), Diameter: .92" (23 mm), Shank: .46" (12 mm)
  • Weight: Net 12 oz. (340 grams)
  • Accessories included: Stand adaptor (black), Carrying Pouch
Reviews
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Review Snapshot

by PowerReviews
Electro-VoiceCO4 Cobalt Dynamic Mic
 
4.7

(based on 21 reviews)

Ratings Distribution

  • 5 Stars

     

    (17)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Good audio (14)
  • Durable (12)
  • Versatile (11)
  • Easy to use (9)
  • Compact (7)

Cons

No Cons

Best Uses

  • Home studio (11)
  • Performances (11)
  • Amateur recording (10)
  • Outdoor events / games (7)
  • Professional recording (5)
    • Reviewer Profile:
    • Experienced (13), Professional musician (4)

Most Liked Positive Review

 

Underappreciated, easy to use, quality with self character

The hatred for these mics on some forums is so odd to me. First off, the SM57 is a versatile workhorse. However, just like Wayne Gretzky or Michael Jordan have proved, we...Read complete review

The hatred for these mics on some forums is so odd to me. First off, the SM57 is a versatile workhorse. However, just like Wayne Gretzky or Michael Jordan have proved, we tend to ignore other great athletes sometimes when we focus on just one player that we think is amazing. So the EV Cobalt 4 is fantastic for guitar amps and open back cabs (ANYONE who says otherwise is one of those who never use anything BUT one mic all the time on their cabs, which is fine). It's just like ANY other microphone where you have to place it in the sweet spot for that amp/cab/mic combination.

If you read the frequency response, you can also see how complimentary this mic will be on toms compared to other microphones that advertise as being drum or tom mics. VERY similar frequency responses. It has even been said here that it is a secret weapon on toms.

This is great for hand drums as well (better than a 57 for hand drums IMO).

Vocals? Yes, but background. The frequency response on this microphone (since it doesn't have that same honk around 1-2k as a 57 or 58, this mic is actually a fantastic microphone for background vocals live and in studio. This is great because usually you want that frequency bumped for the lead vocals due to the Fletcher Munson curve as it helps them feel in front of the mix. So since this is a little brighter dynamic and doesn't have that same honk in the 1-2k range, background vocals sit in the mix with little effort.

Is this the same as my 350 SM7b or my 600 condenser? No. But it MORE than has its place ESPECIALLY at 18 a pop (which is practically giving it away). At 60 a pop it is better than any Nady, Behringer, Cad, or some of the low line Audio Technica's on the market. EV microphones are severely underrated, and the Co4 is no exception. Trust me, snag a pair while you can, even if you want dynamic ride and hi-hat mics. Better yet, how can you beat a pair of these as a more than solid backup that sometimes you may even want to grab first!

VS

Most Liked Negative Review

 

Not a good replacement for a 57

I was hoping this would be a good, low-cost alternative to the classic SM57 for recording drums.
I was impressed by the quality feel of this mic, which seems solid, and would...Read complete review

I was hoping this would be a good, low-cost alternative to the classic SM57 for recording drums.
I was impressed by the quality feel of this mic, which seems solid, and would probably handle some abuse. Unfortunately, the sound DOES NOT compete wth a 57. The Cobalt 4 sounds tinny in comparison, and not in a pleasant way. Could be good for other things, but it is not a mic I would use for close-micing drums.

Reviewed by 21 customers

Displaying reviews 1-20

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(8 of 8 customers found this review helpful)

 
2.0

Not a good replacement for a 57

By Nate A. Fredrick

from Bay Area

Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

I was hoping this would be a good, low-cost alternative to the classic SM57 for recording drums.
I was impressed by the quality feel of this mic, which seems solid, and would probably handle some abuse. Unfortunately, the sound DOES NOT compete wth a 57. The Cobalt 4 sounds tinny in comparison, and not in a pleasant way. Could be good for other things, but it is not a mic I would use for close-micing drums.

(6 of 7 customers found this review helpful)

 
5.0

Not too shabby

By OqH2LdNPf

from Arlington, VA

Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

The buy one get one deal with these was the main thing that sold me on this. I was too cheap to get a 57, and I needed two mics for miking both mine and my other guitarist's cab. They're nice and durable, but they color my tone a bit too much for my taste, more treble than I'd prefer. If you're looking for just recording your ideas, it's perfect. If you're looking for pristine, accurate sound reproduction, I'd go with something more high-end. However for the price, they can't be beat.

(5 of 5 customers found this review helpful)

 
5.0

Replacement for the Sm57

By Mick

from Schenectady,NY

About Me Experienced

See all my reviews

Ask me a question

Verified Buyer

Pros

  • banjo yes vocals too
  • guitar mandolin fiddle
  • The best replacement for:
  • the SM57 for blue grass

Cons

  • mic holder not that tight

Best Uses

  • less feed back and clear
  • live sound, more gain

Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

I needed to replace my out dated mics used for instruments bluegrass group after much research and testing I finally decided on the Cobalt 4, so much better and with less problems than the 57s and the detail of the instruments coming out sold me, more gain and less feed back problems. Better sound all around.

(4 of 6 customers found this review helpful)

 
5.0

Nice sound, Durable

By Marcus R.

from Lansford, PA

See all my reviews

Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

I got these mics so I didn't have to use PHANTOM power(for overheads) they really worked very nicely. They are a little heavy, they slipped out a couple of times. So watch your heads!! Great for instrument miking also. Picks up everything for guitar(acoustic) I haven't use them for amp miking yet. So far, every purpose that I used them for, they have never let me down!! That's going on four years now.

(3 of 4 customers found this review helpful)

 
5.0

great mics

By Marcus R.

from Lansford, PA

See all my reviews

Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

Electro-Voice EV Cobalt 4 Mic- i used them for overhead mics. worked very well, used it for an acoustic guitar set up. again worked great, did have some vocal bleed thou... just to let you know.

(2 of 2 customers found this review helpful)

 
5.0

Underappreciated, easy to use, quality with self character

By Pcav86

from Hagerstown, MD

About Me Professional Musician

Verified Reviewer

Pros

  • Clear Sound
  • Compact
  • Durable
  • Easy To Use
  • Versatile

Cons

    Best Uses

    • Amateur Recording
    • Events
    • Home Studio
    • Performances
    • Professional Recording

    Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

    The hatred for these mics on some forums is so odd to me. First off, the SM57 is a versatile workhorse. However, just like Wayne Gretzky or Michael Jordan have proved, we tend to ignore other great athletes sometimes when we focus on just one player that we think is amazing. So the EV Cobalt 4 is fantastic for guitar amps and open back cabs (ANYONE who says otherwise is one of those who never use anything BUT one mic all the time on their cabs, which is fine). It's just like ANY other microphone where you have to place it in the sweet spot for that amp/cab/mic combination.

    If you read the frequency response, you can also see how complimentary this mic will be on toms compared to other microphones that advertise as being drum or tom mics. VERY similar frequency responses. It has even been said here that it is a secret weapon on toms.

    This is great for hand drums as well (better than a 57 for hand drums IMO).

    Vocals? Yes, but background. The frequency response on this microphone (since it doesn't have that same honk around 1-2k as a 57 or 58, this mic is actually a fantastic microphone for background vocals live and in studio. This is great because usually you want that frequency bumped for the lead vocals due to the Fletcher Munson curve as it helps them feel in front of the mix. So since this is a little brighter dynamic and doesn't have that same honk in the 1-2k range, background vocals sit in the mix with little effort.

    Is this the same as my 350 SM7b or my 600 condenser? No. But it MORE than has its place ESPECIALLY at 18 a pop (which is practically giving it away). At 60 a pop it is better than any Nady, Behringer, Cad, or some of the low line Audio Technica's on the market. EV microphones are severely underrated, and the Co4 is no exception. Trust me, snag a pair while you can, even if you want dynamic ride and hi-hat mics. Better yet, how can you beat a pair of these as a more than solid backup that sometimes you may even want to grab first!

    (2 of 2 customers found this review helpful)

     
    5.0

    Fantastic sound for the money (pro tip: buy them on sale!!!)

    By Mammoth Tusk

    from Fargo ND

    About Me Experienced

    See all my reviews

    Verified Buyer

    Pros

    • Clear Sound
    • Durable
    • Easy To Use
    • Versatile

    Cons

    • Bulky/Heavy

    Best Uses

    • Amateur Recording
    • Home Studio
    • Performances
    • Professional Recording

    Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

    Picked this up on sale and was a little skeptical. I have a sm57 already so I thought this might be an adequate backup for that mic. I do mainly home studio and demo recording. I was struck right away with the weight of the mic which feels very solid and durable. This is a pro and a con as I think these are built to last but can be challenging to get to stay in position due to the weight. I tested this vs my Shure sm57 and I noticed the Co4 is brighter. This isn't necessarily a bad thing just something to be aware of. I was recording my laney cub cab both close mic'd to the speaker cone and rear mic'D since it is open backed. The Co4 performed well especially in rear mic'D position. I did notice more mic stand noise was transmitted to the Co4 when moving the stand around so logically the same would happen in a live setting. All in all this is a good mic and a fantastic value if you can catch it on sale. Buy two

    (2 of 2 customers found this review helpful)

     
    5.0

    LOTS OF APPLICATION

    By Bentcloud

    from Pineville la.

    About Me Experienced

    See all my reviews

    Ask me a question

    Verified Buyer

    Pros

    • Clear Sound
    • Easy To Use
    • Versatile

    Cons

      Best Uses

      • Amateur Recording
      • Events
      • Home Studio
      • Mobile DJ
      • Performances

      Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

      vocals are clean isolated pretty good in a small room

      (1 of 1 customers found this review helpful)

       
      5.0

      With Just a little ingenuity...

      By Chef

      from philadelphia

      About Me Professional Musician

      Pros

      • Durable

      Cons

      • Limited Functions

      Best Uses

      • Amateur Recording
      • Home Studio
      • Professional Recording

      Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

      Okay, these are cheap mics. VERY cheap mics. And i bought them for that reason, because, why not. The way they're described on here in the reviews is pretty acurate. They are bright, and seem to color source material a pretty lot. *Most source material. I tried them on pretty much everything and was not impressed. Anything i tried these mics on a 57 would destroy them, and im not even much of a 57 guy personally. BUT- there is a hidden use for these mics that stands out imho. TOMS. I couldent get a tom sound i was impressed with one day with the mics i ususlly use(what they are does not matter, but you can assume the standard). so i tried these bad boys out. Great. AWESOME. Its like they're pre eq'ed for the job. If you're looking for another option to have for toms, try these out. They may just come in handy. Ev dynamics seem to like toms for some reason lol. And it looks like there might be an output transformer in these bad boys, could be a good or bad thing but kinda cool for the scratch regaurdless.

      (1 of 1 customers found this review helpful)

       
      5.0

      works really well

      By Pilgrim

      from San Diego

      About Me Experienced

      See all my reviews

      Verified Reviewer

      Pros

      • Clear Sound
      • Compact
      • Durable
      • Easy To Use
      • Versatile

      Cons

        Best Uses

        • Amateur Recording
        • Events
        • Home Studio
        • Performances

        Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

        I use it for harmonica and it works great. I also use it for voice but I am not a singer.

        (1 of 1 customers found this review helpful)

         
        4.0

        Good Quality instrument mic, unbeatable price

        By Jake

        from San Francisco, CA

        About Me Experienced

        Verified Buyer

        Pros

        • Clear Sound
        • Compact
        • Durable
        • Versatile

        Cons

          Best Uses

          • Performances

          Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

          I had one of these before and they went on sale at an unbelievably low price so I bought 2 more for less than the cost of the first one. They are a good replacement for SM57, best for instruments, percussion. Note that they have a significantly higher sensitivity than SM57 - probably 10dB more. So, you need to trim gain for them back if substituting. The build quality is nice - good solid metal mic with weight to it. Used in a show last weekend on horns and no complaints.

          (1 of 1 customers found this review helpful)

           
          5.0

          Great Small Instrument Mic

          By LiquidMetal

          from Naples, FL

          About Me Experienced

          Verified Buyer

          Pros

          • Clear Sound
          • Compact

          Cons

            Best Uses

            • Amateur Recording
            • Home Studio

            Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

            I use this for snare and/or kick drum when recording. Works great.

             
            4.0

            Great mic for price

            By Isaacthrash

            from Austin, texas

            About Me Experienced

            See all my reviews

            Verified Reviewer

            Pros

            • Clear Sound
            • Easy To Use

            Cons

              Best Uses

              • Amateur Recording
              • Home Studio

              Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

              I like to use this as double micing guitar solos with audio technica at2021 condenser. I place it at the edge of the speaker as its very bright and the condenser at the cap edge. I got it as a stupid deal and was worth it

               
              5.0

              Great Deal!

              By Level 47

              from Michigan

              About Me Professional Musician

              Pros

              • Clear Sound
              • Durable
              • Versatile

              Cons

                Best Uses

                • Events
                • Performances

                Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

                I bought these as part of the BOGO deal. I own a few for rougher situations where a more expensive mic is not needed. I tour with large shows doing arenas but I own a smaller sound company where cost effectiveness is a necessity so these help. Everyone saying these mics "color" the sound more than a 57 are WRONG. Nothing colors the sound MORE than a 57. These are quite transparent and more modern sounding in comparison. I can run guitars flat and get a great sound. Also anyone still using a 57's on drums is crazy. One wack and the 57 is done. These seem like they'd take a hit better. I've used these on snare also and no problem getting a good sound. Would I buy these without being on sale? No, but if they do go on sale I'm buying more.

                 
                5.0

                A great mic for ham/amateur radio

                By Mr. Bubs

                from Springfield MO

                About Me Experienced

                Pros

                • Clear Sound
                • Durable
                • Easy To Use

                Cons

                  Best Uses

                  • Amateur Radio
                  • Amateur Recording
                  • Home Studio

                  Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

                  I purchased this on sale to try out on my amateur radio station, as the advertised impedance was what Icom recommends for most of their radios (600Ω). I get reports of excellent audio on FM, AM, and SSB modes of operation, and I'm frequently asked what mic I am using ("you have broadcast quality there, are you using a Heil?") I highly recommend this microphone for amateur radio use.

                   
                  5.0

                  Mic and beyound

                  By The Bushman

                  from Oregon

                  About Me Experienced

                  See all my reviews

                  Verified Buyer

                  Pros

                  • Clear Sound
                  • Compact
                  • Easy To Use
                  • Versatile

                  Cons

                    Best Uses

                    • Events
                    • Home Studio
                    • Mobile DJ
                    • Performances
                    • Professional Recording

                    Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

                    I have used to mic my guitar amps, sax, and will try them on my harps soon. So far so good.

                     
                    5.0

                    Very nice microphone

                    By GoodEnuff

                    from FL

                    About Me Experienced

                    See all my reviews

                    Verified Buyer

                    Pros

                    • Clear Sound
                    • Durable
                    • Versatile

                    Cons

                      Best Uses

                      • Performances

                      Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

                      Both the construction and design, on this Mike are great. I used it for bringing a keyboard amp up to parity signal level with other instruments. Very good dynamic response and clarity.

                       
                      5.0

                      Craftsmanship + Output + Price = No Brainer

                      By KN

                      from Wake Forest, NC

                      About Me Experienced

                      See all my reviews

                      Ask me a question

                      Verified Buyer

                      Pros

                      • Clear Sound
                      • Compact
                      • Durable
                      • Easy To Use
                      • Versatile

                      Cons

                        Best Uses

                        • Amateur Recording
                        • Events
                        • Home Studio
                        • Performances
                        • Professional Recording

                        Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

                        You can pay more, but most ears will not detect the difference. Besides, EV has been pretty reliable with the production of quality microphones at very affordable prices. Case-in-point, the EV Cobalt 4 is, with debate, comparable to the Shure 57. However, with less than 80% of its cost while on SDOTD promotion. Otherwise, it's 30% less when its not on sale. Regardless, what is the wiser purchase? Again, it's a "no brainer."

                         
                        4.0

                        looks and feels like a road warrior

                        By DB the jazzman

                        from Vermont

                        About Me Experienced

                        See all my reviews

                        Verified Buyer

                        Pros

                        • Durable

                        Cons

                          Best Uses

                            Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

                            I haven't actually used these mics yet so I'm going to hold off on a written recommendation. The price came up as too good to be true so I purchased 4. My research showed them to be a very solid piece with a frequency response range a little higher than the SM57. That's not a bad thing.
                            Between myself and friends, we purchased about two dozen of these mics. At the price we can loan them out or use them anytime a gig looks to be compromised by weather.

                             
                            5.0

                            Great bang for the buck

                            By Brian

                            from Fremont, NE

                            About Me Professional Musician

                            See all my reviews

                            Verified Buyer

                            Pros

                            • Clear Sound
                            • Durable
                            • Versatile

                            Cons

                              Best Uses

                              • Amateur Recording
                              • Events
                              • Home Studio
                              • Performances

                              Comments about Electro-Voice CO4 Cobalt Dynamic Mic:

                              At this price, I have 2 full sets of them for instrument micing. I use one for my guitar, one for the other guitar player, and one for my synth sounds (EHX guitar pedals). These things are so rugged and durable, the second set is just for studio / rehearsal while the first set is always ready to go for gigs. The casing is so solid, I'm really impressed.

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