Roland CM-30 Cube Portable Active Monitor (Single)


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The Roland CM-30 CUBE Portable Mixing Monitor is one of those products that will undoubtedly have you scratching your head as you asking “How’d they do it”?

Versatility is the name of the game with the Roland CM-30 CUBE. Not so much a jack-of-all-trades as it is a master of a few important ones that will serve you extremely well in multiple situations.

The Roland CM-30 Cube Monitor features a 6.5” high-quality 2-way coaxial speaker powered by a built-in 30-watt power amp. The sound put forth by this rugged, durable monitor is nothing short of spectacular considering its size and price.

Around the rear of the CM-30 Cube is a built-in 3 channel mixer. There’s plenty of connectivity for all types of cables. Channel 1 has an XLR input connector next to a ¼” input for a microphone or line input and channels 2 and 3 have mono/stereo ¼” inputs. Additionally there are 2 AUX channels, one featuring a stereo 1/8” mini-jack input and the other a L/R RCA pair of inputs. You can add a second CM-30 Cube for a complete stereo setup using the ¼” L/R Stereo Link inputs. This setup will also give you an additional 3 channels and another 2 AUX inputs, making for a total of 8 (count ‘em) eight stereo channels!

All the controls are located on the front of the unit. Volume knobs for channels 1 thru 3 sit right next to a stereo headphone input and it’s dedicated volume knob. Just next to that are Low and High EQ controls making it easy to dial in just the right tone for your given application. Rounding out the front panel controls is a Master Volume knob and the Power switch. The layout is simple and ergonomic making it a pleasure to change settings on the fly.

With it’s protective corner covers, sturdy metal grill, built-in handle grip and overall resilient design, the Roland CM-30, at only 12.5 lbs, is a joy to carry from the studio to the stage and anywhere you need clear, clean and present sound quality. Try on a pair…no mixer needed!

  • Versatile monitor for studio, stage, and more  
  • 6.5" coaxial, 2-way speaker with stereo preamp  
  • 30-watt output  
  • 3 input channels, with one XLR input for mic/line and 2 additional Aux inputs  
  • Stereo Link function for stereo connection between two units, for a total of up to 8 stereo inputs and 2 mono mic/line inputs  
  • Metal grill cover, corner protectors, and handle grip for easy transport


Rated Power Output
  •    30 W
Nominal Input Level (1kHz)
  •    Channel 1(Mic/Line): -50 to -20 dBu
  •    Channel 2, 3 (Line): -20 dBu
  •    AUX IN 1, 2: -10 dBu
  •    Stereo Link Input: -10dBu
Nominal Output Level
  •    Stereo Link Out L, R: -10 dBu
  •    16 cm (6.5 inches) + Tweeter (Coaxial 2-Way)
  •    Channel 1 (Mic/Line) Volume Knob
  •    Channel 2, 3 Volume Knobs
  •    Stereo Phones Level Knob
  •    Equalizer: Low Knob, High Knob
  •    Volume Knob
  •    Power Switch
  •    Channel 1 Input Jack (XLR type, 1/4" phone type)
  •    Channel 2, 3 Input Jack L (mono)(1/4" phone type)
  •    Channel 2, 3 Input Jack R (1/4" phone type)
  •    Aux In 1 Jack (RCA phono type)
  •    Aux In 2 Jack (Stereo miniature phone type)
  •    Stereo Link Out Jacks L, R (1/4" phone type)
  •    Stereo Link In Jack (1/4" phone type)
  •    Stereo Phones Jack (Stereo 1/4" phone type)
Power Supply
  •    AC 117V, 230V, 240V
Power Consumption
  •    32 W
Size and Weight
  •    214 mm
  •    8-7/16 inches
  •    238 mm
  •    9-3/8 inches
  •    275 mm
  •    10-7/8 inches
  •    5.6 kg
  •    12 lbs. 6 oz.

Things You Will Get:

  • Monitor
  • Power Cable
  • Manual
Series SM
Model CM30


by PowerReviews
RolandCM30 Multi-purpose Portable Powered Monitor (Single)

(based on 3 reviews)


of respondents would recommend this to a friend.


  • Easy to use (3)


    Best Uses

      Reviewed by 3 customers

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      I like the sound

      By Nmelendez

      from Huntington Station NY

      About Me Novice

      Verified Reviewer


      • Easy To Use
      • Excellent Sound
      • Portable


        Best Uses

        • Home Studio

        Comments about Roland CM30 Multi-purpose Portable Powered Monitor (Single):

        This product is fantastic. I love the sound 30 watt Is good for a small studio at home.

        (1 of 1 customers found this review helpful)


        Great monitors

        By Scizzle

        from Southeast, Florida

        About Me Experienced


        • Easy To Use
        • Excellent Sound
        • Portable
        • Powerful


          Best Uses

          • Amateur Recording
          • Home Studio

          Comments about Roland CM30 Multi-purpose Portable Powered Monitor (Single):

          I use two monitors together with my Roland Keyboard. They work really well; great re-creation of sound. Even has pretty good bass response for a 6 1/2 speaker. I am kind of a bass head I am used to subwoofers so I always want more but for my uses this monitor is great. It is also nice just to have as an mp3 audio source. I can plug my iPhone in and listen to good high quality music.

          (2 of 2 customers found this review helpful)


          Big sound in a small package!!

          By De Miestro

          from Greenville, N.C.

          About Me Professional Musician


          • Clear Sound
          • Easy To Use
          • Powerful
          • Professional Functions
          • Versatile


          • Limited Functions

          Best Uses

          • Amateur Recording
          • Events
          • Performances
          • Soundtracks

          Comments about Roland CM30 Multi-purpose Portable Powered Monitor (Single):

          This product is very efficient for live sound performances as a near field monitor. I run my 88 weighted synth. thru it with my sound rig, making it an excellent live sound monitor. Chrystal clear sound and even tonality makes this a killer speaker!

          Displaying reviews 1-3

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          CM-30 Cube Portable Active Monitor (Single)

          The manufacturer's warranty covers three year parts and two years labor. The warranty excludes damage from misuse, abuse, and contains other exclusions.