Martin Audio SXP118 Subwoofer

In any professional sound system or high-end karaoke system, subwoofers always play an important role in reproducing deep bass and creating an explosion for the entire space. Among the subwoofer lines highly appreciated by audio engineers, loa Martin Audio SXP118 stands out as an all-around choice in terms of power, precision and durability.

General introduction to Martin Audio SXP118 subwoofer

Martin Audio SXP118 is a line of active subwoofers designed for professional performance sound systems, high-end karaoke rooms, mobile stages and outdoor events. This sub line inherits the design essence of Martin Audio with powerful performance, high precision and the ability to flexibly combine with many different full-range speaker systems.

The SXP118 features a compact size, deep frequency response, high SPL performance, and a Class D amplifier with integrated DSP for tight signal control, low distortion, and optimized performance. Equipped with Dante™ digital audio networking and a universal power supply, the SXP118 is one of the most modern and convenient choices for today's live sound systems.

Outstanding product specifications:

• Compact, self-powered subwoofer: Integrated Class D amplifier, no need for separate amplifier, reduces signal loss and optimizes performance.
• 1 x 18” (460mm) driver with 4” (100mm) voice coil: Large driver for deep bass, 4” voice coil for fast heat dissipation, stable operation at high power.
• Integrated Class D amplifier and DSP: Energy efficiency >90%, DSP handles EQ, limiter, crossover and delay, making the sound strong and clean.
• Dante™ Digital Audio Network: Connect audio signals via Cat5e/Cat6 network cable, extremely low latency, precise synchronization in large systems.
• Global power operation with power factor correction function: Automatically compatible with 100–240V AC, PFC stabilizes power supply, reduces electrical interference.
• Tour grade plywood case with flying inserts: High-quality plywood covered with scratch-resistant paint, has fly inserts for convenient hanging, durable for mobile environments.
• IP24 rated option with rain hood: Waterproof, light dustproof, ensuring stable operation outdoors and in wet conditions.

Detailed review of the outstanding features and characteristics of the Martin Audio SXP118 subwoofer

With superior performance and bass-optimized design, loa Martin Audio SXP118 Not only is it a high-end active subwoofer, but it is also the “heart” that helps professional karaoke systems or stage performance systems achieve the perfect balance between power, depth and sound accuracy.

Compact design, durable touring-standard structure

Martin Audio SXP118 The speaker has a compact design, making it easy to place in limited spaces such as VIP karaoke rooms or mobile stages. The case is made from multi-layer plywood, coated with scratch-resistant black paint, and is impact-resistant and moisture-resistant.

Internally, the reinforcement frames are designed in the form of internal bracing to help eliminate resonance vibrations, keeping the bass range solid and not buzzing when operating at high power. In particular, flying inserts allow for safe mounting in line array or sub-cluster systems.

The notable point is the IP24 waterproof standard option, which helps the speaker operate durably even in outdoor conditions or high humidity environments. This is a detail that shows Martin Audio's careful investment towards professionalism and long-term stability.

Powerful bass performance with premium 18-inch bass driver

Center of loa Martin Audio SXP118 is an 18-inch (460mm) bass driver with a 4-inch (100mm) voice coil. The large voice coil structure helps dissipate heat quickly and withstands continuous high intensity without performance degradation.

Thanks to that, the speaker produces deep, solid, powerful bass, especially suitable for dance music, EDM, ballad or bolero genres in high-end business karaoke systems.

Bass of Martin Audio SXP118 Not only powerful, but also incredibly controlled – thanks to a soundboard design meticulously tuned using acoustic simulation technology Martin audio. The combination of precision and power makes each bass note thick, clear, not "dull" like in common sub lines.

Built-in Class D amplifier and intelligent DSP

Outstanding differences of Martin Audio SXP118 is an integrated Class D amplifier, allowing the device to operate independently without the need for an external amplifier. Class D is famous for its energy conversion efficiency of over 90%, reducing loss and heat generation, ensuring stable operation for many hours continuously.

Integrated with the amplifier is an advanced DSP signal processor, allowing users to adjust EQ, limiter, delay and crossover directly on the system. Thanks to that, the technician or user can flexibly align according to the actual space - from closed room to open stage - while maintaining accurate sound quality.

In particular, Martin Audio's DSP presets are pre-tuned for each model, making it easy to synchronize with top speaker lines such as Martin Audio WPM, FP4 or CDD-LIVE in the same system.

Dante™ digital connectivity and global compatibility

Martin Audio SXP118 Speaker Supports Dante™ digital audio networking, allowing audio signals to be transmitted over Cat5e/Cat6 network cables with extremely low latency and 24-bit/48kHz quality. This technology is especially useful in complex audio systems where multiple devices need to be connected and synchronized precisely.

It comes with a power factor correction (PFC) function, which helps the device operate stably at all voltage levels from 100–240V AC. Thanks to that, the SXP118 can be easily deployed in any country or region, even where the power source is unstable.

Flexibility in practical application

Not only suitable for high-end karaoke, Martin Audio SXP118 Also widely used in small stages, halls, restaurants, bars and acoustic tea rooms.

When combined with Martin Audio CDD-LIVE, FP4 or SX Series full-range speakers, Martin Audio SXP118 helps create a complete sound system, reproducing deep bass while maintaining absolute clarity.

Many professional sound technicians rate, Martin Audio SXP118 speakers is one of the best performance/value subwoofers in its class today – powerful, refined, and capable of operating reliably for hours on end in demanding environments.

Flexible and popular application of Martin Audio SXP118 subwoofer

Thanks to its powerful bass performance, high precision and compatibility with a wide range of sound systems, Martin Audio SXP118 become the top choice for both high-end karaoke systems, professional performance stages and multi-purpose hall systems.

• High-class family karaoke room: Provides deep, solid and balanced bass, making vocals richer and background music more vivid.
• Professional business karaoke: Durable operation, powerful bass reproduction for many hours, meeting the needs of high power and high frequency of use.
• Acoustic tea room and music cafe: Delivers a clean, refined bass that complements natural vocals and acoustic instruments.
• Mini stage, small and medium events: Low latency (1.7 ms) and high SPL help reproduce accurate bass in live performances.
• Sound system for halls and conference centers: Provides clear bass without hum, supporting clear voice and background music in large spaces.
• Mini cinema or high-end entertainment space: Reproduces powerful surround sound effects, enhancing the realistic audiovisual experience.
• Restaurant – lounge – bar: Delivers deep, round bass, making the space more vibrant and professional.
• Mobile installation or outdoor performance: Rugged design, with optional IP24 waterproofing to withstand harsh weather.
• Pairing with Martin Audio CDD-LIVE, FP4 or SX Series speaker systems: Creates a complete full-range configuration, optimized for both SPL and bass clarity.
• Applications in fair and exhibition sound systems: Strong capacity, far sound radiation, suitable for open spaces that require powerful and stable bass range.

Where to buy cheap, genuine, high-end Martin Audio SXP118 subwoofer?

In Ho Chi Minh City, Phuc Truong Audio is a reputable address specializing in providing genuine Martin Audio SXP118 subwoofers at competitive prices and full warranty from the manufacturer. Customers who buy at the showroom will experience the actual sound quality, and be advised by a team of technicians on how to combine karaoke systems, stages or halls to achieve the best performance.

With many years of experience in the professional audio industry, Phuc Truong Audio is committed to providing a complete solution from equipment - installation - calibration - maintenance, helping customers own a sound system with standard power, clean sound, and durability over time.

Martin Audio SXP118 Subwoofer FAQ

Is the Martin Audio SXP118 subwoofer suitable for high-end karaoke systems?

Perfect fit. LoA Martin Audio SXP118 Equipped with 18" speaker and powerful Class D amplifier, reproducing deep, powerful and precise bass, helping high end karaoke system has thick background sound, no hum, helps vocals become warmer and rounder.

What should be noted when combining Martin Audio SXP118 subwoofer with a business karaoke system?

With business karaoke system, should use 1 pair Martin Audio SXP118 for each room area from 25-35 m², combined with full speaker FP or BlacklineX series to ensure even bass distribution. Recommended amplifier or the processor has a limiter to protect the speaker coil when operating continuously for many hours.

Can Martin Audio SXP118 subwoofer be used in home karaoke system or is it only suitable for stage?

Martin Audio SXP118 Can be used for high-end family karaoke systems, especially large spaces or systems with large capacity full-range speakers. The bass of SXP118 gives a feeling of "clean - deep - firm" with little subwoofer civil achieved.

Can the Martin Audio SXP118 subwoofer be connected in parallel or bridged?

Do not bridge directly, because the speaker is integrated. ampli separately. If power gain or range division is required, use the “parallel sub feed” setting from the processor to synchronize phase and delay.