Sub Martin Audio SXCF115

The Martin Audio SXCF115 is a premium cardioid subwoofer, compact in design but with outstanding performance. Thanks to the application of cardioid dispersion technology, the SXCF115 controls bass precisely, reduces rear noise and brings a lively, powerful but clean sound experience to any performance space.

Introducing the Martin Audio SXCF115 Karaoke Subwoofer

The Martin Audio SXCF115 is a compact cardioid subwoofer equipped with two premium drivers consisting of a 15” (380mm) 4” voice coil front driver and a 12” (300mm) 4” voice coil rear driver.

The cardioid dispersion design reduces rear reflections by up to 28dB at 75Hz, providing tight, focused, and precisely controlled bass. With its durable tour-grade plywood enclosure, the SXCF115 ensures consistent performance, suitable for stage, theater, event, or professional PA systems that require clean, powerful bass.

Technical parameters of the product to consider:

• Driver structure: The SXCF115 features two drivers: a 15” (380mm) front-firing 4” (100mm) voice coil and a 12” (300mm) rear-firing 4” (100mm) voice coil. This design creates a cardioid sound pattern, focusing energy toward the audience and reducing stage reflections.
• Cardioid Pattern: The Martin Audio SXCF115's cardioid system reduces rear feedback by up to 28dB at 75Hz, delivering tight, tight bass without any boominess. This is a big advantage when using in enclosed spaces or performing close to the microphone.
• Output performance: With a 4-inch voice coil and high power handling, the SXCF115 delivers powerful SPL, deep bass while maintaining low distortion. Suitable for use with Martin Audio WPS, WPC in professional PA systems.
• Speaker box: The SXCF115 uses tour-grade birch plywood and a scratch-resistant polyurethane coating to reduce vibration and resonance, while ensuring durability during transport or outdoor installation.
• System compatibility: Stackable or flyable, the Martin Audio SXCF115 is fully compatible with the DSP Controller DX4.0 and iKON amplifiers, easily adjusting phase and EQ for consistent bass throughout the system.

Outstanding features of Martin Audio SXCF115 Subwoofer

Martin Audio SXCF115 is a high-end cardioid subwoofer developed by Martin Audio (UK) specifically for professional performance sound systems, where strong bass, good directional control and extremely low distortion are required.

The unique cardioid pattern design helps the SXCF115 create a more focused, clear and refined sound experience than conventional subwoofers. Here are the outstanding features:

• Advanced cardioid design: Helps reduce rear feedback by up to 28dB, delivering tight, controlled bass that won't drown out the stage.
• 15”/12” dual speaker structure: Optimized phase balance for clear, powerful bass that spreads evenly throughout the performance space.
• High performance – superior durability: The 4-inch voice coil system operates stably at high SPL, reduces harmonic distortion and ensures long-term reliability.
• Durable tour-grade plywood case: Anti-vibration, moisture-proof, impact-resistant - suitable for moving and installing in tours or outdoor events.
• Optimal compatibility with Martin Audio systems: Easily paired with WPS, WPC, CDD-LIVE via DSP Controller DX4.0, ensuring phase coherence and smooth bass extension.
• The famous “British Sound”: Martin Audio signature – deep, powerful yet musical bass, fully expressing the depth of music.

Detailed review of Sub Martin Audio SXCF115

Bass quality and low frequency control

The Martin Audio SXCF115 delivers impressive bass reproduction, with up to 28dB of rear rejection at 75Hz. The cardioid design focuses bass energy forward, delivering a tight, tight, and echo-free sound.

The low frequency range goes deep while maintaining detail and precise phase control, making the SXCF115 one of the top bass-cleanest subwoofers in its class.

Aesthetic design and mechanical durability

The Martin Audio SXCF115 is made from tour-grade birch plywood coated with scratch-resistant polyurethane paint. This material makes the speaker cabinet both sturdy, reduces resonance, and ensures high durability when moving and installing outdoors. The neat box design, soft rounded corners, and powder-coated steel mesh help to both look beautiful and protect the internal components from impact and dirt.

Performance and operational reliability

Using two 15” and 12” drivers with 4” voice coils, the Martin Audio SXCF115 maintains powerful performance without distortion. An optimized voice coil cooling system ensures the speaker operates stably even when running at high SPL levels for long periods of time. Reliability is confirmed by the speaker responding well in tours, events and professional performance spaces.

System compatibility and extensibility

The Martin Audio SXCF115 easily integrates into line array systems such as the Martin Audio WPS, WPC or CDD-LIVE, thanks to its stack or fly mounting support. When combined with the DSP Controller DX4.0 or iKON amplifier, the sound engineer can precisely adjust phase, EQ and time alignment, ensuring even bass coverage throughout the audience space.

Brand value and real-life experience

Martin Audio – a British audio brand with over 50 years of experience, is famous for its philosophy of “Unite the Audience”. Martin Audio SXCF115 is a clear demonstration of that standard: powerful, refined, and musical bass, allowing the audience to fully feel the emotions in each piece of music. This is not only a technical device, but also a true “emotional transmission tool” for professional audio systems.

Applications of Martin Audio SXCF115 Subwoofer

Applications of Martin Audio SXCF115 Subwoofer

The Martin Audio SXCF115 is a professional cardioid subwoofer designed for versatile performance in a wide range of environments, from large stages to enclosed spaces requiring refined bass.

Thanks to its excellent directivity, compact design and high SPL performance, the SXCF115 delivers powerful, clean, focused and consistent bass – suitable for both fixed and touring applications. Typical applications for the Martin Audio SXCF115 include:

• Professional stage sound system (Live Sound Reinforcement).
• Hall – event center – church.
• Theaters, concert halls, recording studios.
• High-end bar, lounge, club.
• Mobile events, outdoor performances.

Where to buy genuine Martin Audio SXCF115 Subwoofer at good price?

Phuc Truong Audio is a professional audio distribution and construction unit with over 10 years of experience in the industry, specializing in providing genuine speakers, amplifiers, mixers, microphones and stage equipment from many of the world's leading brands such as Martin Audio, Electro-Voice, JBL, HK Audio, Eudac, Yamaha, Roland...

At Phuc Truong Audio, customers can experience the Martin Audio SXCF115 subwoofer in person right at the showroom, have the team of technicians test the sound, advise on system pairing and detailed DSP configuration. All products have:

• Genuine CO, CQ certification from Martin Audio (UK).
• 12-month genuine warranty, lifetime technical support.
• Competitive prices, project incentives and sound system combos.
• Delivery and installation service nationwide.
• Flexible payment support & 0% installment.

Frequently asked questions about Martin Audio SXCF115 Karaoke Sub

Is the Martin Audio SXCF115 Subwoofer suitable for home karaoke systems?

The Martin Audio SXCF115 is well suited for high end karaoke system or home theater. Thanks to the 15”/12” cardioid design, the speaker delivers deep, solid bass and good directional control, avoiding the common background hum. This is the ideal choice for those who want to upgrade the bass quality in a professional karaoke room.

How is the SXCF115 different from the Martin Audio SX118 and SX218?

The SXCF115 uses a dual-cardioid speaker structure, while Martin audio SX118 , and SX218 is a traditional sub form. Thanks to that, SXCF115 has the ability to reduce rear feedback by 28dB @ 75Hz, for cleaner and more focused sound, suitable for small and medium spaces.

Which Martin Audio full range speakers can the SXCF115 be paired with?

The SXCF115 is optimized for pairing with the Martin Audio WPS, WPC or CDD-LIVE 15, extending the frequency range down to 40Hz – 150Hz while maintaining perfect phase coherence. When operating with Martin Audio line array systems, the SXCF115 delivers powerful, consistent bass. See more compatible models at Martin Audio Full Range Speakers.

Is it necessary to use digital echo or DSP Controller when installing SXCF115?

Highly recommended. Combining the SXCF115 with a Martin Audio DX4.0 DSP Controller or a digital reverb with phase alignment will result in more consistent, tight, and clear bass. These devices allow for precise EQ, delay, and crossover adjustments. See more in the catalog. Digital echo – DSP Processor.