MarkBass Mini CMD151P IV Bass Combo

The Markbass Mini CMD 151P IV is widely recognized as the most compact, punchy, and best-sounding 1×15′ bass combo amplifier on the global market. Driven by the legendary Little Mark IV Combo head, this premium amplifier outputs 300W RMS standalone and expands to a roaring 500W powerhouse when hooked up to an external 8-ohm cabinet (such as the New York 151).
Engineered specifically for players who demand the fat, organic low-mid focus of a traditional 15-inch speaker without the crippling weight, it utilizes a proprietary ultra-light Markbass custom neodymium 15′ woofer paired with a crisp piezo tweeter. The Version IV update introduces a highly responsive Bi-band Limiter that reacts dynamically to aggressive playing, an Old School vintage filter, a front-panel Mute switch, and a 3-way preset equalizer switch (Flat/Scooped/FSW). Weighing only 18.3 kg, it offers the perfect balance of effortless portability and deep stage-shaking low-end articulation.
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Key Features
• Massive Low-Mid Punch: Loaded with a custom 15′ neodymium speaker designed to preserve clarity and articulation while throwing out rich, organic warmth.
• Little Mark IV Front-End: Upgraded internal head circuitry introduces a dedicated front-panel Mute toggle and independent Master Line Out control pots.
• Next-Gen Bi-Band Limiter: Responds faster and with more organic breathe-room than traditional brick-wall limiters, ensuring flawless tone at high volume spikes.
• 3-Way EQ Mode Switch: Instantly shift between an ultra-linear Flat frequency response, a heavy Scooped-Mid slap voicing, or an FSW footswitch routing.
• Old School Filter Integration: Smoothly rolls off sharp high frequencies to simulate a round, retro, old-school tube-amp aesthetic on demand.
• Incredible Power-to-Size Ratio: Takes up minimal stage real estate while delivering true professional backline projection at a featherweight 18.3 kg.
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Technical Specifications

Amplifier Type Solid-State / Transistor Preamp & Power Amp Combo
Output Power 500W RMS @ 4 Ohms / 300W RMS @ 8 Ohms
Main Speaker 1 x 15′ Markbass Custom Neodymium Woofer
Tweeter High-Definition Piezo Tweeter (Up to 18 kHz)
Speaker Power Handling 400W RMS (AES Standard)
Acoustic Porting Rear-ported Bass Reflex design
Frequency Response 40 Hz to 18 kHz
Crossover Frequency 3.5 kHz
Analog Equalization 4-Band EQ: Low (68Hz), Mid-Low (360Hz), Mid-High (800Hz), High (10kHz)
Filters & Modifiers Variable Old School Filter, 3-Way EQ Toggle Switch, Front Mute Switch
Input Connections 1 x 1/4′ Instrument Jack, 1 x 1/4′ Footswitch Jack, Effects Loop Return
Output Connections Balanced XLR Line Out (Pre/Post EQ switchable), Effects Send, Tuner Out, Speakon/Jack Combo Speaker Out
Dimensions (W x H x D) 46.4 cm x 46.4 cm x 48.0 cm / 18.27′ x 18.27′ x 18.9′
Net Weight 18.3 kg / 40.34 lbs