The Martin Audio Blackline Q15 is a high-output 2-way passive loudspeaker engineered to deliver exceptional power, clarity, and controlled coverage in demanding professional audio environments. As one of the most powerful models in the BlacklineQ series, it is designed for applications requiring strong sound pressure levels, extended low-frequency performance, and consistent coverage across large spaces.

Combining advanced acoustic design with a robust enclosure, the Q15 is equally suited to portable sound reinforcement and fixed installation use.

High-Output Design with Full-Range Performance

The Q15 is built around a 15-inch low-frequency driver featuring a high-power voice coil, paired with a high-frequency compression driver, delivering a powerful and articulate sound profile with deep bass and detailed high-frequency response.

With peak SPL levels exceeding 133dB, it is capable of delivering significant output for demanding applications while maintaining clarity and control.

This makes it particularly suitable for:

• Foreground music systems
• Bars, clubs and large hospitality venues
• Live events and performance spaces

Its high power handling ensures reliable performance in high-energy environments.

Differential Dispersion for Controlled Coverage

The Q15 incorporates Martin Audio’s user-rotatable Differential Dispersion horn, providing controlled horizontal coverage between 70° and 90° with a fixed vertical pattern.

This ensures:

• Consistent sound distribution across the audience area
• Reduced reflections from ceilings and floors
• Improved intelligibility in acoustically challenging environments

The rotatable horn allows the loudspeaker to be configured for both vertical and horizontal deployment.

8 Ohm Passive Operation

Configured for 8 ohm operation, the Q15 is designed for use with professional amplification and external processing, enabling flexible system design across a wide range of applications.

This allows:

• Integration into high-performance PA systems
• Use in both installed and portable configurations
• Scalable deployment across larger systems

Installation and Portable Flexibility

The Q15 is designed for maximum versatility, supporting both fixed installation and portable use. Its enclosure incorporates multiple mounting options and ergonomic handling features.

This includes:

• M8 inserts for wall brackets, yoke mounting and suspension
• Pole mount socket for portable deployment
• Integrated handles for improved portability

The enclosure design ensures clean visual integration in installed environments while remaining practical for live use.

Durable Construction for Professional Use

Constructed from robust plywood with a durable finish, the Q15 is built to withstand the demands of professional use. A protective steel grille ensures long-term durability while maintaining acoustic transparency.

This ensures:

• Reliable performance over time
• Resistance to wear in demanding environments
• Professional-grade build quality

Designed for Large-Scale Applications

The Q15 is ideally suited to:

• Bars, clubs and large hospitality venues
• Live sound and event production
• Corporate AV and presentation spaces
• Houses of worship and large indoor environments

Its combination of output, clarity, and controlled coverage makes it particularly effective in larger venues requiring powerful and consistent sound reinforcement.

A High-Power Solution for Professional Audio

The Martin Audio Blackline Q15 delivers a powerful combination of output, precision, and flexibility in a robust enclosure. Its high SPL capability, controlled dispersion, and versatile design make it a dependable choice for professional audio systems requiring impactful, high-quality sound across demanding applications.