A Grab-and-go Spin on Marcus Miller's Signature Head
The Markbass Little Marcus 500 58R packs the signature sound of Marcus Miller’s Little Marcus head into an effortlessly portable package. This muscular bass head begins with the brand’s custom-designed MPT (Mark Proprietary Technology) power section, voiced for high headroom and a pure, clear tone that enhances your instrument’s inherent character. As per Marcus’s request, the Little Marcus 500 58R boasts two footswitchable tone-shaping sections, starting with a straightforward 5-band EQ on the EQ1 section. In contrast, the EQ2 section features Old School and Millerizer controls — powerful filters developed to Marcus’s refined sonic tastes, allowing you to take your sound from a warm vintage thump to a cutting slap texture at a moment’s notice. You also get a Mute switch, along with a Line Out level control, joined by a Pre EQ/Post EQ switch. A high-quality effects loop is also on tap, making it easy to integrate your pedalboard. Lightweight and optimized for portability, the Little Marcus 500 58R rounds out your tonal toolbox with the signature sound of an all-time great.
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Custom-designed MPT power amp
To ensure optimal low-end performance, Markbass amplifiers come equipped with a proprietary MPT (Mark Proprietary Technology) power amp designed by the brand’s founder, Marco De Virgiliis. This high-headroom power amp was purpose-made to supply an authoritative output with sharp definition and a lively, dynamic feel. Above all else, the MPT is a testament to Markbass and Marco's uncompromising commitment to supplying professional musicians around the world with superior bass tone.


Ample I/O for the stage and studio
The Markbass Little Marcus 500 58R's robust I/O section stands at the ready to take on any gigging or recording application with plug-and-play simplicity. Perfect for bassists with a sprawling stompbox collection, this head’s front-mounted effects loop optimally integrates all your favorite pedals. Next, you get an XLR Line Out for plug-and-play performance and recording. And when it's time to plug into your favorite cab, the Little Marcus 500 58R's speaker output section boasts a heavy-duty speakON jack for a lock-tight connection.
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 Little Marcus 500 58R Features:
- 500W, 1-ch. signature bass head of legendary bass player Marcus Miller
- EQ1 section provides you with an intuitive 5-band EQ
- EQ2 features Old School and Millerizer filters, developed in collaboration with Marcus himself
- MPT power amp ensures a warm, punchy sound methodically optimized for bass
- Convenient Mute switch
- Line Out level control with Pre EQ/Post EQ switch
- High-quality FX loop provides easy pedalboard integration
- Proudly built in Italy