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L-Acoustics

L-Acoustics 115XT HiQ Coaxial Stage Monitor

$1,995.00

The 115XT HiQ is part of the XT family of speakers from L-Acoustics. The 115XT is an 80 degree dispersion speaker and the HiQ version is a 50 degree dispersion speaker. The HiQ is a dual-element, biamped, coaxial system, featuring a 15-inch cone speaker and a three-inch voice coil with a 1.4-inch exit compression driver. The 15-inch cone speaker is a front-loaded reflex device and the compression driver is a titanium diaphragm device. The components are of a very high output, and the manufacturer recommends 450 watts rms at 8 ohms for the woofer and 125 watts rms at 8 ohms to the driver.

View Product Features

  • Coaxial design: Single point source for excellent clarity.
  • Precise 50° coverage: Symmetrical dispersion prevents off-axis coloration.
  • High power output: Achieves 139 dB peak SPL.
  • Integrated rigging points: M10 inserts for versatile flying/mounting.
  • Rugged construction: Durable Baltic birch plywood enclosure.
  • Dedicated amplified controller: Works with LA4X or LA8 amplifiers.
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About the L-Acoustics 115XT HiQ Coaxial Stage Monitor

The L-Acoustics 115XT HiQ is a premium coaxial stage monitor designed to deliver exceptional clarity, precision, and intelligibility for performers on stage. Part of L-Acoustics' acclaimed X Series, this monitor utilizes a sophisticated coaxial driver arrangement where a 15-inch low-frequency transducer is integrated with a high-frequency compression driver mounted at its center. This coaxial design ensures perfect acoustic alignment, resulting in a coherent wavefront with uniform frequency response and precise pattern control across a wide dispersion angle. The monitor is engineered to provide accurate and detailed sound reproduction, allowing musicians and vocalists to hear themselves with absolute fidelity, which is critical for maintaining pitch, timing, and a cohesive performance.

A key feature of the 115XT HiQ is its proprietary Hyperbolic Indexing (HiQ) waveguide, which is optimized to provide smooth, consistent coverage both horizontally and vertically. This controlled dispersion minimizes off-axis phase cancellations and ensures that the monitor's sonic character remains consistent regardless of the performer's position relative to the cabinet. The result is a wider usable "sweet spot" on stage, reducing the need for multiple monitors and providing a more uniform listening experience for the artist. The enclosure is meticulously designed with optimized internal volume and bracing to deliver tight, articulate low-end response and maximum efficiency.

Built for the rigors of professional touring, the 115XT features a rugged, birch plywood enclosure with a durable, textured finish and integrated ergonomic handles. Its design allows for versatile placement, including standard wedge monitor positioning or vertical use as a side-fill. Input options typically include dual NL4 SpeakON connectors for easy daisy-chaining. As a product of L-Acoustics' rigorous research and development, the 115XT HiQ represents the pinnacle of stage monitor technology, trusted by top touring professionals and major sound rental companies worldwide for its reliability, sonic excellence, and ability to meet the exacting demands of live performance.

Key Features

  • Coaxial design: Single point source for excellent clarity.
  • Precise 50° coverage: Symmetrical dispersion prevents off-axis coloration.
  • High power output: Achieves 139 dB peak SPL.
  • Integrated rigging points: M10 inserts for versatile flying/mounting.
  • Rugged construction: Durable Baltic birch plywood enclosure.
  • Dedicated amplified controller: Works with LA4X or LA8 amplifiers.

L-Acoustics 115XT HiQ Coaxial Stage Monitor Specs

Transducer Technology
Design
15-inch Coaxial with HiQ Waveguide
Low-Frequency Driver
15-inch (380mm)
High-Frequency Driver
3-inch (75mm) voice coil compression driver
Performance Specifications
Power Handling (Continuous)
700W
Power Handling (Peak)
2800W
Sensitivity (1W/1m)
101 dB
Maximum SPL
137 dB peak
Frequency Response
45 Hz - 20 kHz
Nominal Impedance
8 ohms
Coverage & Dispersion
Dispersion
Controlled, wide coverage (HiQ waveguide)
Physical & Construction
Enclosure Material
Birch plywood
Finish
Textured black paint
Handles
Integrated ergonomic handles
Connection
Input Connectors
Dual NL4 SpeakON

Key Features

  • Coaxial design: Single point source for excellent clarity.
  • Precise 50° coverage: Symmetrical dispersion prevents off-axis coloration.
  • High power output: Achieves 139 dB peak SPL.
  • Integrated rigging points: M10 inserts for versatile flying/mounting.
  • Rugged construction: Durable Baltic birch plywood enclosure.
  • Dedicated amplified controller: Works with LA4X or LA8 amplifiers.
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