Markbass MB58R CMD 121 Pure Combo ( Made in Italy )

The Markbass MB58R CMD 121 Pure represents the cutting edge of ultra-lightweight bass amplification, proudly Made in Italy. Part of the revolutionary MB58R eco-friendly series, this combo delivers a massive 500W RMS output while weighing an unbelievably light 14.1 kg (31.1 lbs), setting a new industry benchmark for power-to-weight ratios.
The ‘Pure’ version features a premium 1×12′ custom-voiced Markbass Neodymium speaker and a dedicated Hi-Fi tweeter. This layout reproduces the pure, uncolored acoustic properties of your bass with crisp high-end definition and deep, punchy low frequencies. Driven by an integrated solid-state head, it pumps out 300W standalone at 8 ohms and expands to a full 500W powerhouse simply by connecting an external 8-ohm cabinet. Encased in an innovative, ultra-durable, and eco-conscious housing, it is the ultimate grab-and-go solution for demanding touring bassists.
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Key Features
• Elite Power-to-Weight Ratio: Delivers up to 500W of thunderous bass authority while remaining incredibly easy to transport at just 14.1 kg.
• Custom Neodymium Pure Voicing: Yellow-line custom neodymium 12′ driver pairs with a high-fidelity tweeter for high-definition note clarity.
• Revolutionary Eco-Housing: Constructed utilizing state-of-the-art biodegradable materials that maximize acoustic resonance while reducing electronic vibration.
• Advanced 4-Band EQ & Old School Filter: Features precise analog frequency shaping coupled with an Old School vintage filter to roll off highs for a warmer vibe.
• 3-Way Preset Selector Switch: Features a front-panel toggle switch to instantly shift between Flat, Scooped-Mid, or Footswitch-controlled operations.
• Bi-Band Dynamic Limiter: Built-in protective limiter safeguards your low-end peaks from clipping, keeping your signal clean even at maximum stage volume.
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Technical Specifications
Amplifier Type Solid-State / Transistor Bass Combo
Output Power 500W RMS @ 4 Ohms / 300W RMS @ 8 Ohms
Main Speaker 1 x 12′ Markbass Custom Ultra-Light Neodymium Driver
High Frequency Driver 1 x Markbass High-Fidelity Custom Tweeter
Speaker Power Handling 400W RMS (AES Standard)
Acoustic Port Layout Rear-ported Bass Reflex
Frequency Response 45 Hz to 20 kHz
Crossover Frequency 3.5 kHz
Sensitivity 99 dB SPL
Front Controls Gain, Low, Mid-Low, Mid-High, High, Old School Filter, Master Volume
Switches & Logic Mute, Pre/Post EQ (Line Out), Ground Lift, 3-Way Voicing Switch
Input Jacks 1 x 1/4′ Instrument Input, Effects Loop (Send/Return)
Output Connections 1 x Balanced XLR Line Out (with level pot), 1 x Speakon/Jack Combo Speaker Out
Dimensions (W x H x D) 45.0 cm x 57.6 cm x 47.1 cm / 17.72′ x 22.68′ x 18.64′
Net Weight 14.1 kg / 31.1 lbs