Markbass MB58R CMD P Piezo 121 1X12 300W

A New Generation of Markbass: The MB58R Spirit, Between Tradition and Innovation

With the MB58R series, Markbass emphasizes a decidedly modern approach: preserving the brand's sonic DNA while pushing portability and material optimization. The goal is clear: to offer a "plug and play" format combo that remains credible in rehearsal and on stage, without imposing the weight constraints often associated with traditional setups.

The CMD 121 P version belongs to the "P series," designed for bassists who appreciate the familiar response of a ceramic speaker (sharp attack, solid low end, "classic" feel), while benefiting from a cabinet engineered to stay lightweight and easy to transport. The Made in Italy manufacturing and the brand's claimed "glocalization" philosophy complete this positioning: production rooted locally, designed to meet the needs of a global market.

For Which Bassists and Usage Contexts?

The Markbass MB58R CMD 121 P targets bassists seeking a reliable combo, quick to dial in and powerful enough to cover most uses: home practice, rehearsals, small to medium stages, and recording via line out. Its 1 x 12-inch format is an excellent compromise: compact enough to fit in a car trunk and easily carry up stairs, while offering a presence and projection more "ample" than a small practice cabinet.

Style-wise, it handles a broad spectrum comfortably: pop, rock, funk, jazz, neo-soul, gospel, and contemporary music requiring a clean and well-defined bass. The VLE/VPF filters facilitate adaptation: you can switch from a round, vintage tone to a more scooped, modern bass without multiplying settings.

Controls, EQ, and Options: Ergonomics Designed for Playing

The control section emphasizes efficiency. You have a GAIN to adjust input level, a 4-band EQ to precisely shape bass, low-mid, high-mid, and treble, then a MASTER VOLUME to manage overall level. Added to this are the VLE and VPF filters, now Markbass signatures: they allow you to quickly steer the overall tone (softer and "old school" on one side, more modern and "hi-fi" on the other).

For stage and studio, the line output management is particularly practical: a Line Out level control is present, along with PRE/POST EQ options (to send a raw or EQ-processed signal) and GND switches to help control ground issues in some systems. The cabinet is rear bass-reflex, a choice that favors low-end extension and a sense of depth, especially at rehearsal volume or live situations.

The Sound

The sonic character of the MB58R CMD 121 P relies on an effective duo: a Markbass classic ceramic 1 x 12-inch speaker and a piezo tweeter. The 12-inch delivers firm lows, a present low-midrange (very useful for holding space in a band), and a dynamic response that "speaks" well under the fingers. The tweeter adds the necessary air for pick attacks, slap, and more detailed modern sounds.

With a stated response of 40 Hz to 18 kHz and a sensitivity of 99 dB, this combo aims for a reproduction that is both punchy and clear. The sound can range from a spacious, balanced clean tone to a more incisive sound, depending on the EQ and use of VLE/VPF filters. The amp maintains a sense of control in the low spectrum and offers a good balance between "roundness" and definition, making it a natural partner for both passive and active basses.

Technical specifications

Category	Bass combo	EQ	4 channels
Cabinet impedance (Ω)	8 Ω	Color	Black
Category	Amplifier	Finishing	Black tolex
Speaker diameter	12"	Power output	300 W
Number of speakers	1

Speaker	1 x 12-inch Markbass classic ceramic	Crossover frequency	3.5 kHz
Tweeter	new piezo tweeter	Frequency response	40 Hz to 18 kHz
Reflex	rear	Sensitivity (DP SPL)	99 dB
Speaker power handling	300 W RMS (AES standard)	Controls	GAIN | 4-band EQ | VLE and VPF filters | MASTER VOLUME | LINE OUT level control | PRE/POST EQ and GND switches
Output power	300 W RMS at 4 ohms, 150 W RMS at 8 ohms	Dimensions	45 cm (W) x 57.6 cm (H) x 47.1 cm (D)
Impedance	8 ohms	Weight	13.24 kg