Markbass MB GV 4 Gloxy Val Cream 4-String Active Bass Guitar

Compact Professional Bass Amplifier Head with Classic Markbass Performance

The Markbass Little Mark IV (Model 6523) is a professional 500W bass amplifier head designed for players who need powerful, transparent tone in a lightweight and highly portable format. As part of the latest evolution of the iconic Little Mark series, it delivers improved dynamics, enhanced control features, and the signature clean Markbass sound trusted by professional bassists worldwide.

Built for live performance, studio recording, and touring setups, the Little Mark IV combines simplicity with advanced tone-shaping tools, making it a versatile solution for a wide range of playing styles and musical genres.

Powerful and Transparent Bass Tone

The amplifier delivers up to 500W of output power at 4 ohms, providing strong headroom and excellent clarity even at high volume levels. Its solid-state design ensures fast transient response and accurate reproduction of the instrument’s natural tone without unwanted coloration.

This makes it especially suitable for modern bassists who require precision, articulation, and consistency across different performance environments.

Key Features

• 500W bass amplifier head (4Ω operation)
• 500W MPT (Mark Proprietary Technology) power section
• 4-band EQ with wide ±16 dB control range
• Old School filter for warm, vintage-style tones
• 3-way EQ voicing switch (Flat / Scooped / Footswitchable mode)
• Bi-band limiter for controlled dynamics and clarity
• Mute function for silent tuning and stage setup
• Balanced XLR DI output with level control
• Pre/Post EQ switching and ground lift function
• FX loop for external effects integration
• Compact and lightweight construction (~2.5 kg range)

Flexible Tone Shaping for Modern Bassists

The Little Mark IV provides a highly musical 4-band EQ system that allows precise shaping of bass frequencies from deep lows to articulate highs. The integrated Old School filter offers smooth high-end roll-off for a warmer, more vintage sound profile when required.

The selectable EQ voicing modes allow instant switching between clean flat response, scooped modern tones, or a footswitch-controlled mode for live performance flexibility.

Built for Professional Stage and Studio Use

Designed with gigging musicians in mind, the Little Mark IV includes a high-quality DI output for direct connection to mixing consoles and recording interfaces. This ensures consistent tone delivery in both live and studio environments.

The compact chassis and lightweight construction make it easy to transport, fitting seamlessly into modern portable bass rigs and touring setups.

Ideal Applications

• Professional live bass performance
• Studio recording and direct input setups
• Touring and gigging musicians
• Jazz, rock, funk, fusion, and pop bass tones
• Portable bass amplifier rigs
• Rehearsal and practice environments

Technical Specifications

• Model: Markbass Little Mark IV (6523)
• Power Output: 500W @ 4Ω
• Preamp Type: Solid State
• Power Amp: MPT (Mark Proprietary Technology)
• EQ: 4-band (Low, Low Mid, High Mid, High)
• EQ Range: ±16 dB
• Filters: Old School tone filter
• Voicing: 3-way EQ mode switch
• Outputs: XLR DI out (pre/post EQ), FX loop, speaker out
• Controls: Gain, Master, EQ, mute, filter, mode switch
• Weight: Approx. 2.45–2.9 kg (variant dependent)

What’s Included

• Markbass Little Mark IV Bass Amplifier Head
• Power Cable
• User Documentation

The Markbass Little Mark IV (6523) represents a refined evolution of the iconic Little Mark platform, offering enhanced tonal flexibility, professional connectivity, and reliable performance in an ultra-portable format.