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New Markbass MB58R 122 Energy - 4 800-watt 2 x 12-inch Speaker Cabinet

800W, 4-ohm, 2 x 12" Rear-ported Straight Bass Amp Cabinet with Markbass Neodymium Custom Speakers
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Item ID: 58R122Energy4
Markbass MB58R 122 Energy - 4 800-watt 2 x 12-inch Speaker Cabinet
Price:$999 and 99 cents
Special Financing - Ends Aug 2, 2026. $28/month with 36 month financing*

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Markbass MB58R 122 Energy - 4 800-watt 2 x 12-inch Speaker Cabinet
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Price:$999 and 99 cents
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Frequently Asked Questions

Markbass MB58R 122 Energy - 4 800-watt 2 x 12-inch Speaker Cabinet

Q: What kind of sound can I expect from the Markbass MB58R 122 Energy cabinet?

Q: How portable is the Markbass MB58R 122 Energy cabinet for gigging?

Q: What is the power handling and impedance of the MB58R 122 Energy cabinet?

Q: Who is the Markbass MB58R 122 Energy cabinet ideal for?

Q: How do I connect the MB58R 122 Energy cabinet to my bass amplifier?

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Monumental Markbass Tone from an Ultra-light Cab

Showcasing state-of-the-art technologies developed from years of research and experience, the Markbass MB58R 122 Energy – 4 boasts unrivaled tone, power, and portability, with a conscious nod to eco-friendly manufacturing. This muscular bass amp cabinet houses two 12-inch neodymium custom speakers, reinforced by a 1-inch driver and horn, delivering the company’s legendary, rafter-shaking thump from an ultra-light enclosure. The MB58R 122 Energy – 4 dominates the stage with an impressive 800 watts of power handling, certifying an industry-leading power-to-weight ratio. This powerhouse delivers punchy low end and unrivaled definition in the mids and highs; it’s a premium-caliber workhorse for players in need of a full, flat-response cab. Are you searching for a seamless combination of innovative design, stage-rattling tone, and modern-classic aesthetics? Rest assured, the MB58R 122 Energy – 4 fulfills all those requirements — and then some.

Markbass: over 20 years of Italian innovation

Founded by Marco De Virgiliis in 2001, Markbass has been a global leader in bass amplifiers and instruments for over 20 years. Built proudly in Italy, the company’s products span a diverse range, comprising compact yet powerful amplifier heads, all-in-one combo amps, and lightweight, durable speaker cabinets loaded with cutting-edge technology. Beyond that, many bassists here at Sweetwater are also ardent proponents of the brand’s pedals, basses, and guitars. Known for its pioneering use of neodymium magnets to reduce weight without sacrificing sound, Markbass remains focused on sonic clarity and tonal accuracy, crafting amplifiers that highlight the true voice of your instrument. Endorsed by renowned artists, such as Marcus Miller and Jeff Berlin, Markbass represents a family of brands driven by Italian passion, style, and craftsmanship, with continued praise from a wide array of musicians, such as Supertramp’s Cliff Hugo, who remarks, “You transfer the quality of your people into the products you make.”

Markbass MB58R 122 Energy – 4 Features:

  • Compact, 4-ohm, rear-ported bass amp cab
  • 2 x 12-in. neodymium custom speakers deliver legendary Markbass thump from an ultra-light enclosure
  • 1-in. driver and horn offer focused projection and clarity
  • 800W of power handling certifies an industry-leading power-to-weight ratio
  • A premium-caliber workhorse for players in need of a full, flat-response cab
  • Proudly built in Italy

Warranty Info

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Tech Specs

  • Type: Bass Cabinet
  • Configuration: 2 x 12"
  • Speakers: Markbass Neodymium Custom
  • Impedance: 4 ohms
  • Frequency Response: 45Hz-20kHz
  • Inputs: 2 x SpeakON
  • Cabinet Type: Rear-ported
  • Open/Closed Back: Closed
  • Height: 23.62"
  • Width: 22.76"
  • Depth: 18.5"
  • Weight: 38.6 lbs.
  • Manufacturer Part Number: MBL100115

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