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Carl Martin Rock Bug Headphone Guitar Amp and Speaker Simulator

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The Carl Martin Rock Bug is an amp speaker simulator and headphone rehearsal unit that operates on a single 9v battery. Just plug your guitar (with o...Click To Read More About This Product

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OVERVIEW

Sounds like you're playing through a tube amp.

The Carl Martin Rock Bug is an amp speaker simulator and headphone rehearsal unit that operates on a single 9v battery. Just plug your guitar (with or without pedals) into the headphone amp's unbalanced 1/4" input, plug your favorite headphones into the unbalanced 1/4" output and off you go. Adjust your guitar's volume with the headphone amp's Guitar knob, select an open cabinet or closed cabinet simulation with the mini-toggle switch, and wail away through the privacy of your headphones. If you like, use the Carl Martin Rock Bug's AUX stereo inputs with an MP3, CD or DAT player, and either play along or add a personal touch to your prerecorded backing tracks. Thanks to the balanced XLR output, you can connect your Carl Martin Rock Bug headphone amp to a mixing console for recording, solo gigs accompanying prerecorded music, or as a DI for live performance if you're packing light or your amp goes down.

FEATURES
Unbalanced input for guitar, or guitar through pedal board 
Unbalanced guitar output or headphone out (600 Ohm)
Balanced output (200 Ohm) for direct recording or PA use (Not digital audio)
Aux stereo inputs for MP3, CD or DAT
Master output controls the overall and AUX levels
The Guitar volume knob controls the instrument volume in relation to the Master volume
The Speaker Simulation switch for choosing between open and closed back speaker cabinet simulations

With all these features, the Rock Bug is a little Swiss Army Knife that's a handy addition to any guitarist rig. Own it now.

Reviews
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Review Snapshot

by PowerReviews
Carl MartinRock Bug Headphone Guitar Amp and Speaker Simulator
 
4.6

(based on 9 reviews)

Ratings Distribution

  • 5 Stars

     

    (6)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to use (5)
  • Excellent sound (5)
  • Portable (5)
  • Warm / comfy (3)

Cons

No Cons

Best Uses

  • Home studio (3)
    • Reviewer Profile:
    • Experienced (4)

Reviewed by 9 customers

Displaying reviews 1-9

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(8 of 9 customers found this review helpful)

 
5.0

Pure Analog Powerhouse

Comments about Carl Martin Rock Bug Headphone Guitar Amp and Speaker Simulator:

If you have used ANY Carl Martin products, you already know the quality. This unique problem-solver will deliver YOUR tone as if through a professional speaker-cabinet to any PA or studio-mixer.It also converts your signal to Low-Z so you don't loose treble over long cable runs. By itself, that feature is worth the price of admission. But when you combine this with the head-phone out, stereo aux-ins and two-knob mixing, you have a tool that lets you practice in hotel-rooms or on the tour-bus with the EXACT tone you use live.It's small, but just as tough as all CM pedals.I love it because it retains noiseless-clarity with practically NO signal degradation over 100' of cable.

(8 of 8 customers found this review helpful)

 
5.0

Actually, it's even better than I 1st thought

By Tom

from Boston Metro West

See all my reviews

Comments about Carl Martin Rock Bug Headphone Guitar Amp and Speaker Simulator:

Just an update to my previous review:My previous comments apply to using the headphone output with a regular guitar cord into a PA's Hi-Z input. I can't speak to the effect of plugging an extenal sound source into the stereo aux inputs at the same time, as I don't intend to use that function.But this thing's simple design is even more brilliant than I thought. If you use the Balanced output with an XLR mic cable into a PA's Lo-Z input, the 'Master' knob is out of the circuit and it's absolutely dead quiet no matter where the 'Guitar' knob is set.(With all due respect to Winslo, an electric guitar does not produce any appreciable output in the 10-15kHz range, and in fact most guitar speakers only have measurable response up to about 8kHz; take a look at some of the frequency response graphs on Eminence's Website for example.)

(6 of 6 customers found this review helpful)

 
4.0

Works as advertised

By Tom

from Boston Metro West

See all my reviews

Comments about Carl Martin Rock Bug Headphone Guitar Amp and Speaker Simulator:

I bought this to use as an emergency amp backup and for direct recording; I don't plan to use it with headphones or an external sound source. I already have and use a Carl Martin Quattro and Tuner.

It is not noisy if you use it properly: Turn the master down (to 1/4) and the guitar up (to 3/4). I've only tried it through a small PA - it made it sound like I was playing through an amp. That's all I expected. The open/closed switch is subtle but effective. I put it in my gig bag to be ready for an amp-failure emergency. That's the main reason I bought it. I will try it soon with my son's MBox/ProTools rig, but he's already got a slew of software amp models, so it's really not necessary in that application ... but I'll still try it when we get around to it.

(2 of 3 customers found this review helpful)

 
4.0

Excellent, but for the but

By fuzzy overdrive

from VT

About Me Experienced

See all my reviews

Ask me a question

Pros

  • Easy To Use
  • Excellent Sound
  • Good Warmth
  • Portable
  • Powerful

Cons

  • Poor Sound Quality

Best Uses

    Comments about Carl Martin Rock Bug Headphone Guitar Amp and Speaker Simulator:

    This is a great little item for an apartment dweller to practice using pedals. I haven't used my whole board yet, but I don't perceive there would be any problems. The tone is very pleasing and very much like playing through a tube amplifier. But, I have a very popular set of Sony headphones that have a 1/8" plug as well as an adapter. Can't say why, but I can't just push it in. Somtimes, you have to play with it slightly to get a good connection. This would be no problem, but you often have a buzzing sound when playing. I am thinking of buying a cheaper pair of headphones on a Deal of the Day or holiday sale without the adapter to see if that is the issue.

    (2 of 2 customers found this review helpful)

     
    5.0

    Great Product!

    By LesPaulMN

    from Mpls MN

    About Me Professional Musician

    See all my reviews

    Verified Buyer

    Pros

    • Easy To Use
    • Excellent Sound
    • Good Warmth
    • Portable

    Cons

      Best Uses

      • Amateur Recording
      • Home Studio
      • Performances
      • Professional Recording

      Comments about Carl Martin Rock Bug Headphone Guitar Amp and Speaker Simulator:

      This is just what I was looking for to be able to keep in my gig bag so when my $2000 tube amp dies at a gig I still have a way to finish the night with decent tone! I also picked up the new Bogner "Red" preamp pedal for the backup kit.. Used together these ROCK plugged right into the PA..

      (1 of 1 customers found this review helpful)

       
      5.0

      It Does Exactly What It Says It Will ... And It Does It Well

      By Don

      from Dallas Texas

      About Me Experienced

      Verified Buyer

      Pros

      • Easy To Use
      • Excellent Sound
      • Portable

      Cons

        Best Uses

        • Events
        • Home Studio
        • Performances

        Comments about Carl Martin Rock Bug Headphone Guitar Amp and Speaker Simulator:

        I play in a Worship Band at Church and have been miking my Amp in a closet behind the stage. I use the DI on this to go directly to the Sound Board and it sounds surprisingly good. No more hauling my amp back and forth, I just put this at the end of my pedalboard and DI my way to great sound with no hassle. I like the headphone jack to practice with. I haven't used the RCA input, but I will. Overall, like my title says "It does what it says it will do ... and it does it well." I would highly recommend this product and would purchase another if this one was stolen.

        (1 of 1 customers found this review helpful)

         
        5.0

        It does exactly what it should

        By SingleCoilVoodoo

        from Abilene, TX

        About Me Experienced

        See all my reviews

        Verified Buyer

        Pros

        • Easy To Use
        • Excellent Sound
        • Good Warmth
        • Portable
        • Powerful

        Cons

          Best Uses

          • Amateur Recording
          • Home Studio

          Comments about Carl Martin Rock Bug Headphone Guitar Amp and Speaker Simulator:

          This thing is great! Amazing sound, and will keep the angry neighbors off my doorstep.

          (1 of 9 customers found this review helpful)

           
          3.0

          Too noisy to use

          By Winzlo-CSa5U

          from Minnesota

          See all my reviews

          Comments about Carl Martin Rock Bug Headphone Guitar Amp and Speaker Simulator:

          The Rock Bug sounded like a very promising addition to my pedal board so I could stop dragging an amp back and forth to gigs. However, it was so noisy that the sound guy had to cut my 10-15kHz by -12db just to make it tolerable.This does not and can not replace an amp. You are better off getting a cheap combo amp with a direct out or invest 10 times more to get a full multi-effects modeling processor.

           
          5.0

          I live my Rock Bug! It does the job. Love the headphone jack

          By Uncle Dude

          from Tifton, Ga.

          About Me Experienced

          Verified Buyer

          Pros

          • Easy To Use
          • Excellent Sound
          • Portable

          Cons

            Best Uses

            • At home practicing

            Comments about Carl Martin Rock Bug Headphone Guitar Amp and Speaker Simulator:

            I imagine a lot of guys are like me. They can't practice at home at gig levels. This Rock Bug lets me do just that. I can practice at gig levels. Plus, I can take it anywhere. That's what I bought it for!!

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