MarkBass CMD 121H

(3 customer reviews)


Experience unparalleled bass sound with the MarkBass CMD 121H bass amp, designed with cutting-edge technology for optimum performance.



MarkBass CMD 121H bass amp is an amplified, portable speaker designed for bass guitarists. The product is praised for its lightweight design, exceptional tone, and versatility. It can be used at home, in a studio, or on stage, and it is created to meet the needs of both professional and novice bass players.

One of the most significant features of the MarkBass CMD 121H bass amp is its portability. Weighing only 35 pounds, the amplifier is easy to transport, making it perfect for gigging musicians who need to move their equipment frequently. Additionally, the amp has a 500-watt output, making it possible for it to fill a variety of venues with sound.

The MarkBass CMD 121H bass amp also has a 12-inch neodymium speaker, which adds to its exceptional tone quality. The speaker provides clarity and articulation to the bass sound, essential for each player to convey the subtleties of their playing. It is also beneficial for low-frequency response, producing a deep, punchy bass tone that can cut through any mix.

When it comes to sound shaping, the MarkBass CMD 121H bass amp is incredibly versatile. The product comes with four-band EQ controls, allowing players to adjust bass, mid, high, and ultra-high frequencies to suit their style and tonal preferences. The amp also has a VLE and VPF filters, enabling players to shape their sound further.

The VLE filter adjusts the amp’s overall tonal character, depending on the user’s preference. On the other hand, the VPF filter is designed to enhance the amp’s low-frequency response, producing a more pronounced bass sound. These features make the MarkBass CMD 121H bass amp ideal for a wide range of musical genres, from rock to jazz to funk.

The MarkBass CMD 121H bass amp has a durable construction, ensuring that it can withstand the rigors of gigging and touring. Its robust body and sturdy handles make it easy to carry around, and it also has a unique folding design that allows it to be stacked on top of other MarkBass cabinets.

In summary, the MarkBass CMD 121H bass amp is impressive due to its portability, exceptional tone, and versatility. It is suitable for bass players of all levels and is designed to meet the needs of gigging musicians. Additionally, the amp’s unique features make it one of the best choices for bass players looking for an affordable, lightweight, and high-quality amplifier.

MarkBass CMD 121H properties

Product name CMD 121H
Brand MarkBass
Type Bass Amplifiers
Frequency Range Min 45.0
Frequency Range Max 20000.0
Features Monitor Stage Listening
Connection Inputs AUX/ Line XLR Stereo, Tele/TRS 6.3mm/1/4″
Connection Outputs Tele/TRS 6.3mm Single, XLR Stereo Out
Return/Send Tele/RTS 6,3mm
Elements Amount Bass 1
Power Output (RMS) 300.0 W
Amplifier Model Hybrid Combo, Solid State
Power Supply Electrical
Impedance 8
Height 585.0 mm
Depth 465.0 mm
Width 390.0 mm
Weight 16.0 kg

Additional information


Product type

Frequency Range Min

Frequency Range Max


Connection Inputs


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Elements Amount Bass

Power Output-RMS

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Power Supply






3 reviews for MarkBass CMD 121H

  1. Aaron

    The MarkBass CMD 121H is a bass amplifier that specifically focuses on the feature of monitor stage listening. It is a versatile and powerful amplifier that is designed to efficiently deliver sound to the musician on stage, allowing for better control and performance.

    One of the standout features of the CMD 121H is its high-quality speaker, which is capable of producing clear and balanced sound across the entire frequency range. This ensures that every note played on the bass guitar is accurately reproduced, allowing the musician to hear themselves with clarity and precision.

    Another impressive feature is the built-in tweeter, which adds an extra layer of definition to the sound. This is particularly useful for bass players who want to hear the higher frequencies more clearly, as it enhances the overall tonal balance and articulation.

    In terms of power, the CMD 121H offers 500 watts of power, providing plenty of volume for larger stages or venues. Despite its high power output, the amplifier remains lightweight and portable, making it ideal for gigging musicians.

    In my opinion, the MarkBass CMD 121H is a top-notch bass amplifier that excels in its focus on monitor stage listening. Its features and performance make it a valuable tool for bass players looking to enhance their on-stage sound.

    For those interested in buying bass amplifiers, it’s important to consider the specific needs and preferences of the individual. Factors such as power output, speaker quality, and portability should be taken into account. Additionally, reading reviews and seeking advice from experienced musicians can provide valuable insights and help in making an informed decision.

    Some tips and tricks for bass amplifier shopping include:

    1. Determine your power requirements: Consider the size of the venues you typically perform in and make sure the amplifier has enough power to provide sufficient volume without compromising sound quality.

    2. Test the speakers: Pay attention to the speaker quality and choose an amplifier that reproduces the full spectrum of bass frequencies accurately. A high-quality speaker will ensure a more defined and balanced sound.

    3. Consider portability: If you frequently travel for gigs or rehearsals, a lightweight and compact amplifier will be more convenient to transport. However, balance this with the need for power and sound quality.

    4. Research the brand and read reviews: Look for reputable brands with a track record of producing reliable and high-quality bass amplifiers. Reading reviews from other musicians can provide valuable insights into the amplifier’s performance and reliability.

    Overall, the MarkBass CMD 121H is a standout bass amplifier for monitor stage listening, offering powerful performance and top-notch sound quality.

  2. Ayla

    Ah, Aaron, you sweet summer child. Let me tell you something about the MarkBass CM D 121H that you may not have known. You see, your review is like a beautiful sunset, full of warmth and promise – but it’s missing the full spectrum of colors that make it truly spectacular. Allow me to paint that picture for you.
    Firstly, I agree with you on the monitor stage listening feature. It is indeed a fantastic feature that allows bass players to hear themselves clearly on stage. But here’s where things get interesting – this amplifier isn’t just about monitoring yourself; it’s about creating an immersive experience for the audience as well. The CM D 121H has two channels, each with its own input and EQ controls, which means you can run multiple instruments through it without any issues. And when those low frequencies kick in, oh boy, do they ever pack a punch!
    Now, let’s talk about that high-quality speaker you mentioned. Yes, it produces clear and balanced sound across the entire frequency range, but what really sets this amplifier apart is its ability to handle high-volume output without compromising on quality. In fact, some users have reported feeling the bass vibrations in their chest – now THAT’S impressive!
    The built-in tweeter isn’t half bad either. It adds a level of clarity and definition that really makes the sound stand out. But here’s where I must disagree with you, Aaron. The true star of this amplifier is not the tweezer; it’s the MarkBass proprietary technology used in its preamp section. This technology allows for an incredibly detailed and natural tone, making it perfect for any genre of music.
    And finally, let’s talk about power. With 500 watts of power at your disposal, you can fill even the largest venues with rich, resonant sound. But here’s where I have to call bullshit on your claim that this amplifier is lightweight and portable. Yes, it might be lighter than some other amps on the market, but when you consider its size and weight (it weighs over 30 pounds), calling it portable is a bit of a stretch.
    So there you have it, Aaron. The MarkBass CM D 121H may not be the perfect bass amplifier for everyone, but for those who value power, quality sound, and flexibility, it’s hard to beat. And while I appreciate your enthusiasm for this product, my dear friend, I must respectfully disagree with some of your assertions. Now, if you’ll excuse me, I have a concert to attend where they’re using one of these bad boys – and I can’t wait to feel those bass vibrations in my chest!

  3. Oliver Richmond

    Dear MarkBass,

    We would like to express our sincere gratitude for your outstanding products, particularly the CMD 121H Bass Amplifier. Our friend Kaiden Dotson highly recommended this product, and we are thrilled with his suggestion.

    At a time when the economy in Edmonton is facing unprecedented challenges, it is heartening to see that businesses like yours continue to thrive online. The convenience of shopping for Bass Amplifiers from the comfort of our homes has been a lifesaver during these trying times. We truly appreciate your dedication and commitment to serving customers like us.

    As bass guitarists ourselves, we have come across various brands in the market, but none quite match the unique features of MarkBass CMD 121H. The depth of this amplifier stands out at an impressive 465mm, which is perfect for delivering rich and powerful bass tones that resonate with audiences.

    The CMD 121H’s user-friendly interface and versatile sound options make it a joy to perform with. From smooth jazz to heavy metal, this amplifier can handle it all. We have noticed a significant improvement in our overall performance since incorporating the CMD 121H into our setup.

    We would like to commend your team for their hard work and innovation in creating such an exceptional product. We are optimistic that MarkBass will continue to innovate and push the boundaries of what is possible with bass amplifiers.

    In these trying times, we urge all businesses to stay hopeful and positive. Let us work together to overcome the challenges and emerge stronger than ever before. Keep up the good work, and we look forward to experiencing more of your groundbreaking products in the future.

    Best regards,
    Oliver Richmond

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Frequently Asked Questions:

What are the unique features and specifications of the MarkBass CMD 121H bass amplifier head, and how does it compare to other models in the same price range?

The MarkBass CMD 121H is a highly regarded bass amplifier head that has gained a loyal following among professional musicians. Here are some of its unique features and specifications, as well as a comparison with other amps in its price range:

Features and Specifications:

- Power Output: The MarkBass CMD 121H delivers an impressive 120 watts RMS into 4 ohms. This is plenty of power for most live gigs, and it also makes the amp suitable for recording sessions in larger studios. EQ Controls: The CMD 121H features a comprehensive 5-band active EQ section that allows you to fine-tune your bass's tone with precision. This is particularly useful when playing in different venues, as it enables you to adapt the sound to suit the acoustics of the room. XLR DI Output: The CMD 121H includes a balanced XLR Direct Output (DI) that can be used for recording or connecting to external PA systems. This feature is essential for bassists who want to avoid excessive stage volume and feedback issues. USB MIDI Interface: The amp's USB port allows you to connect it to your computer via a standard USB cable. You can then use it as a MIDI interface, enabling you to control virtual instruments or software synths without the need for additional hardware. Headphone Output: The CMD 121H includes a headphone output jack that allows you to practice quietly without disturbing others around you. This is particularly useful when practicing late at night or in shared living spaces. Comparison with Other Amps:

The MarkBass CMD 121H competes with several other high-end bass amplifier heads, such as the Aguilar DB750 and the Gallien-Krueger MB212X. Here's how these three amps stack up against each other:

- Power Output: The MarkBass CMD 121H has slightly less power than the Aguilar DB750 (150 watts RMS) but more than the Gallien-Krueger MB212X (90 watts RMS). However, all three amps provide plenty of headroom for most live gigs. EQ Controls: The MarkBass CMD 121H and Aguilar DB750 both have comprehensive active EQ sections that offer fine-grained control over your bass's tone. However, the Gallien-Krueger MB212X only offers basic EQ controls. DI Output: All three amps include a balanced XLR DI output, making them suitable for recording or connecting to external PA systems. MIDI Interface: Only the MarkBass CMD 121H includes a USB MIDI interface, which makes it ideal for musicians who want to use virtual instruments or software synths without additional hardware. The Aguilar DB750 and Gallien-Krueger MB212X do not offer this feature. Price: The MarkBass CMD 121H is priced similarly to the Aguilar DB750, with both amps retailing for around $900 USD. The Gallien-Krueger MB212X is slightly less expensive at around $800 USD. In conclusion, all three amps offer impressive power output and EQ controls, but the MarkBass CMD 121H stands out for its USB MIDI interface, making it an attractive option for musicians who want to use virtual instruments or software synths without additional hardware. While the Gallien-Krueger MB212X is less expensive than both the MarkBass CMD 121H and Aguilar DB750, its EQ controls are less comprehensive, which may be a dealbreaker for some bassists who prioritize tonal flexibility.

How does the active EQ circuitry and preamp design of the MarkBass CMD 121H bass amplifier contribute to its high-fidelity sound reproduction?

The active EQ circuitry and preamp design of the MarkBass CMD 121H bass amplifier play crucial roles in its ability to deliver high-fidelity sound reproduction. Active EQ, or equalization, allows for more precise control over the frequencies in a signal. This means that the CMD 121H is able to shape the tone of the bass guitar in a way that is both accurate and versatile. The preamp design further enhances the overall sound quality by providing a clean and clear input stage for the signal. The preamp circuitry also helps to minimize noise, ensuring that the final output is free from unwanted hiss or hum. Together, these features make the CMD 121H an excellent choice for bass players who demand high-fidelity sound reproduction. Whether playing in a studio setting or on stage with a live band, the CMD 121H has the power and clarity to deliver a truly exceptional performance.

What specific features does the MarkBass CMD 121H bass amplifier offer that make it a top choice for professional musicians?

The MarkBass CMD 121H bass amplifier is an exceptional choice for professional musicians due to its array of unique and advanced features. Here are some specific reasons why this amp stands out from the competition:

1. High-Powered Output: The CMD 121H delivers a powerful 350 watts RMS at 4 ohms, making it capable of handling any gig or studio session with ease. Active EQ and Tone Controls: The amp features an active EQ section that allows for precise tonal adjustments. Additionally, the CMD 121H offers a unique "Bass Shaper" circuit that lets you fine-tune your bass' low end frequencies to suit your playing style. XLR Direct Output: The amp features an XLR direct output that allows for studio-quality recordings without the need for additional equipment. This feature is especially useful in live performances where a direct feed is required. USB Connectivity: The CMD 121H offers USB connectivity, allowing you to load and save customized presets, as well as update the amp's firmware through your computer. Compatibility with MarkBass Cabinets: The CMD 121H is designed specifically for use with MarkBass cabinets, which are known for their high-quality sound and durability. This compatibility ensures that you get the best possible sound from your setup. High-Quality Components: The CMD 121H features top-of-the-line components such as Neutrik speakON connectors, Mogami audio cables, and high-grade capacitors to ensure optimal performance and durability. In summary, the MarkBass CMD 121H bass amplifier stands out due to its powerful output, advanced EQ and tone controls, direct output, USB connectivity, compatibility with MarkBass cabinets, and use of high-quality components. These features make it an excellent choice for professional musicians looking for a reliable, versatile, and high-performing bass amp.