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Average Price: $870

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$200

$701+

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Based on price data from 1 merchant for "Markbass MB58R CMD 121P 300-Watt 1x12" Bass Combo". Prices shown reflect NEW condition. Tracking began Apr 30, 2026.

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Description

The Markbass MB58R CMD 121P 300-Watt 1x12" Bass Combo is a game-changer for bassists seeking power, portability, and precision all in one package. This 300-watt powerhouse is engineered with a 12-inch classic ceramic speaker paired with a piezo tweeter, ensuring every note you play is rich and resonant. Designed with eco-friendly materials, the amp's ultra-light enclosure makes it easy to transport without sacrificing the robust sound Markbass is known for.

With straightforward controls, including Gain, a 4-band EQ, and Master volume, this combo amp offers precise tone-shaping capabilities. The Vintage Loudspeaker Emulator (VLE) and Variable Pre-shape Filter (VPF) further allow for nuanced sound customization, perfect for adapting to different performance settings. Whether you're on a small stage or in a large venue, the Line Out level control, alongside Pre EQ/Post EQ and Ground Lift switches, provide seamless connectivity and adaptability.

Crafted in Italy, the MB58R CMD 121P upholds Markbass's legacy of combining cutting-edge technology with traditional craftsmanship. This amp is not just a tool; it's an extension of your musical expression, designed to cater to both modern and vintage sound preferences. Whether you're a touring professional or a passionate amateur, this bass combo amp promises to deliver clarity and depth, making your bass lines stand out.

Key Features:

  • 300W, 1-channel, rear-ported bass combo amplifier
  • 12-inch classic ceramic speaker with a piezo tweeter for detailed high frequencies
  • Gain, 4-band EQ, and Master volume for adjustable tone-shaping
  • VLE and VPF controls for versatile sound customization
  • Line Out level control with Pre EQ/Post EQ and Ground Lift switches
  • Lightweight, eco-friendly enclosure design
  • Proudly manufactured in Italy

Product specs

Brand Markbass
Model MB58R CMD 121P 300-Watt 1x12" Bass Combo
Year 2022 - 2025
Made In Italy
Categories Bass Combo Amps
Color Family Black
Electronics Solid State
Number of Channels 1 Channel
Number of Inputs 1 Input
Output Power (Watts) 300
Power Tube Type None
Reverb None
Speaker Configuration 1x12"

FAQs

Is the Markbass MB58R CMD 121P suitable for live performances?

Yes, the Markbass MB58R CMD 121P offers 300 watts of power, making it suitable for live performances, especially in small to medium-sized venues.

What kind of tone can I expect from the Markbass MB58R CMD 121P?

The MB58R CMD 121P delivers a clean, articulate tone with a warm low end, thanks to its solid-state electronics and 1x12" speaker configuration.

How portable is the Markbass MB58R CMD 121P bass combo amp?

The Markbass MB58R CMD 121P is designed to be lightweight and compact, making it easy to transport to gigs or rehearsals.

Does the Markbass MB58R CMD 121P have any built-in effects?

No, the MB58R CMD 121P does not include built-in effects, allowing you to use external pedals for customized sound shaping.

Can the Markbass MB58R CMD 121P handle a 5-string bass?

Yes, the MB58R CMD 121P is capable of handling the extended low frequencies of a 5-string bass, providing clear and punchy sound.

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Markbass MB58R CMD 121P 300-Watt 1x12" Bass Combo.

Features and functionality

  • The combo offers 300 watts with an extension cabinet, making it versatile for various gig sizes.

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  • With a Fender P Bass, users keep gain below 60% and master volume at 50% to avoid speaker strain.

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Use cases and applications

  • With an additional NY12 extension cabinet, it's suitable for larger gigs, providing ample volume and stage presence.

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  • Adding more speaker area, like a 4x10" cabinet, could provide better handling of power and reduce speaker stress.

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User experience

  • Owners typically lower the volume to prevent overpowering stage sound, highlighting its strong output.

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  • Owners report significant speaker travel when slapping ghost-notes, indicating potential speaker stress at higher volume settings.

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Comparisons

  • Users compare it to the Fender Rumble 500, noting that the Rumble offers more power without an extension cab.

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  • Transitioning to a Markbass 104HF or HR cab could handle the head's 300W at 8ohm or 500W at 4ohm more effectively.

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Mods and upgrades

  • Replacing the piezo tweeter with a compression driver requires a suitable crossover, adding complexity to the modification process.

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  • Users suggest an acoustic filter with specific cloth thickness to reduce tweeter hiss without sacrificing tonal brightness.

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  • Some owners have successfully disconnected the tweeter entirely to address the hissing issue, as discussed on Talkbass forums.

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