Markbass MB58R Mini CMD 121 P Piezo 1X12 300W
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Manufacturer Information
Markbass
https://parsek@emailcertificatapec.it
info@dvmark.it
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Mogar Music France
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Historical Context and Positioning in the Range
With the MB58R series, Markbass continues the idea that made its reputation: offering bassists a reliable, powerful, and easy-to-adjust amp while pushing portability further. The MB58R MINI CMD 121 P belongs to the "P series," designed for those who appreciate the response of a "classic" ceramic speaker but want a combo significantly lighter than a traditional 1x12.
Who This Amp Is For
The Markbass MB58R MINI CMD 121 P targets the intermediate to professional bassist who needs a ready-to-play combo capable of handling rehearsals with a drummer, club gigs, outdoor amplified shows, or studio sessions where a clean and clear sound is sought. Its 1x12 inch speaker is well suited for styles where attack and midrange need to stay present in the mix (pop, funk, jazz, rock, fusion), and its power also allows tackling more demanding contexts when adding a cabinet for increased projection.
Technical specifications
| Category | Bass combo | Number of speakers | 1 |
| Technology | Solid state | EQ | 4 channels |
| Cabinet impedance (Ω) | 8 Ω | Color | Black |
| Category | Amplifier | Power output | 150 W |
| Speaker diameter | 12" | ||
Questions frequently asked
Is the Markbass MB58R Mini CMD 121 P powerful enough for rehearsals and small gigs?
Its speaker section supports 300 W RMS according to the AES standard, and its sensitivity reaches 99 dB SPL. This 1x12 format is designed for rehearsals with a drummer, clubs, and amplified stages. Adding a cabinet increases sound dispersion in more demanding contexts.
What sound does the 1x12 ceramic speaker with piezo tweeter produce?
The 12-inch Markbass Classic Ceramic speaker delivers tight lows and present midrange. The piezo tweeter, paired with a 3.5 kHz crossover frequency, extends the response up to 18 kHz.
What equalization settings are available?
The 4-band EQ affects bass, low mids, high mids, and treble. The VLE and VPF filters respectively soften the high end or scoop the mids.
Can the amp’s signal be sent to a PA system?
A line output with level control is included. The Pre/Post EQ switch allows sending the signal before or after equalization, while the GND switch helps reduce hum.
Is the Markbass MB58R Mini CMD 121 P bass combo easy to transport?
Weighing 8.82 kg and measuring 39 x 47 x 36 cm, this combo remains compact for a 1x12 format. Its bass-reflex port is located at the rear.



