NORTH CAROLINA — In an era where modern houses of worship demand the sonic versatility of a premier concert hall alongside the pristine speech intelligibility of a traditional auditorium, Apex Baptist Church has taken a definitive leap forward. The multi-level North Carolina congregation has completed a comprehensive, top-to-bottom audio system overhaul in its sprawling main sanctuary. Spearheaded by AV integration firm S&L Integrated and anchored by Martin Audio’s advanced acoustic technologies, the new installation successfully resolves long-standing acoustical challenges while establishing a new benchmark for modern worship production.
The project marks a major milestone for the church, whose previous audio infrastructure struggled to keep pace with a growing congregation and increasingly dynamic worship services. By deploying Martin Audio Wavefront Precision WPS line arrays, SXHF218 subwoofers, and FlexPoint loudspeakers, the integration team has delivered an immersive, high-fidelity acoustic environment capable of seamlessly transitioning from spoken-word clarity to high-energy, full-spectrum musical performances.
1. Main Facts: The Anatomy of the Upgrade
The centerpiece of the Apex Baptist Church upgrade is a meticulously engineered loudspeaker deployment designed to tame a notoriously complex multi-level room. The primary sound reinforcement now relies on left and right hangs of 10 Martin Audio WPS line array elements per side. Each element is driven individually, allowing for precise electronic optimization across every row of the auditorium.
Low-frequency management is handled by a flown center array comprising three SXHF218 subwoofers deployed in a cardioid configuration. This setup directs bass energy where it is needed on the main floor while mitigating unwanted low-frequency buildup on the stage and behind the arrays.
To ensure seamless coverage across zones that line array dispersion might otherwise miss, the design incorporates supplementary fill speakers:
- Front Fills: Six Martin Audio FlexPoint FP6 loudspeakers positioned along the lip of the stage to pull the sound image downward for front-row attendees.
- Balcony Fills: Six FlexPoint FP4 enclosures dedicated to blanketing the deep upper balcony with articulate, direct audio.
Power and processing are managed by a robust amplification network consisting of three iKON iK81 and three iK42 multi-channel amplifiers. The entire system was modeled, tuned, and verified using Martin Audio’s proprietary DISPLAY software, ensuring predicted coverage maps matched real-world acoustic performance down to the finest detail.
2. Chronology: Overcoming the House-of-Worship Puzzle
The journey to the new acoustic design began long before the first speaker was flown. For years, the leadership and production staff at Apex Baptist Church noted that their legacy audio infrastructure was placing a ceiling on their creative and communicative goals. As the congregation expanded and production values evolved to include modern lighting, video, and multi-instrumental worship bands, the old system consistently fell short of providing uniform coverage.
Recognizing the need for a professional intervention, Shawn Walden, the worship pastor at Apex Baptist Church, reached out to S&L Integrated. Walden and S&L Integrated shared a trusted, long-standing professional relationship, making the integrator a natural choice for the high-stakes overhaul.
"When they realized their previous audio infrastructure was holding back their worship experience, he reached out to us to design a complete, top-to-bottom system redesign," explains Gage Helton, Director of Operations at S&L Integrated.
Upon entering the sanctuary to evaluate the space, the S&L engineering team confronted a classic house-of-worship architectural layout. The room features a wide main floor, a deep overhanging balcony, and highly reflective parallel side walls. Acoustically, these dimensions created a formidable puzzle. The room exhibited high RT60 reverb times, prominent flutter echoes bouncing off the side walls and the hard face of the balcony, and severe acoustic shadowing underneath the balcony overhangs.
To combat these physical barriers, the integration team implemented a two-fold strategy. First, they integrated targeted acoustic treatment panels along the walls and the balcony face to control early reflections and lower the overall reverberant energy. Second, they engineered a highly directional loudspeaker system capable of projecting sound directly into listener seating areas while keeping acoustic energy away from untreated, reflective boundary surfaces.
Following computer modeling via Martin Audio’s DISPLAY software—which determined precise trim heights, pick points, and physical array curvatures—the physical installation was executed efficiently. The resulting system transformed the acoustic profile of the room from a problematic echo chamber into a controlled, high-definition listening space.
3. Supporting Data & Technological Integration
Modern audio integration relies heavily on predictive modeling and precision DSP (Digital Signal Processing). According to Gage Helton, the software tools provided by Martin Audio played a pivotal role in ensuring the success of the Apex Baptist project.
"It is one of the easiest PA modelling products I have used," Helton remarks, highlighting the efficacy of the DISPLAY platform. "We also use it as a sales tool to show the client what coverage is going to look like in their space." By running predictive simulations, the design team could visually demonstrate to church leadership how sound would distribute across the main floor and balcony before a single bracket was bolted into the ceiling.
The hardware choices further underscore a commitment to performance without visual intrusiveness. The FlexPoint series, utilized for front and balcony fills, was selected specifically for its compact footprint and acoustic transparency.
"I look for a fill to get out of the way and do what it’s supposed to," Helton notes. "Martin Audio’s FlexPoint models are small and sound great."
Similarly, the iK-series amplifiers supply pristine conversion and massive dynamic headroom, ensuring that transient peaks from drums and aggressive vocalists are reproduced cleanly without triggering protective limiting or introducing thermal compression. The flown cardioid subwoofer arrangement leverages destructive interference at the rear of the array, preventing low-end frequencies from muddying the stage microphones and maintaining a tight, punchy bass response throughout the auditorium.
4. Official Responses and Stakeholder Perspectives
The successful transformation of Apex Baptist Church has drawn praise from both the integration team and the manufacturer, highlighting the collaborative nature of modern AV rollouts.
For S&L Integrated, the project stands as a testament to the importance of matching the right acoustic tools to complex architectural environments. Gage Helton emphasizes that the church’s weekly schedule—which spans quiet, reflective spoken-word prayers, youth conferences, holiday theatrical productions, and full-throttle contemporary worship concerts—required an exceptional degree of system flexibility.
"They needed a system that could seamlessly transition between subtle, high-intelligibility spoken word and high-energy, full-spectrum concert-level reinforcement without distortion or fatigue," Helton observes.
The sonic transformation was immediately noticeable upon commissioning. "The room sounds open, warm, and exceptionally clear," Helton reports. "Vocals sit effortlessly on top of the mix without ever feeling harsh or pushed, and the low-end coupling from the flown cardioid sub array gives worship music a visceral, high-fidelity impact without room boominess."
Beyond the hardware itself, Helton praises the ongoing corporate partnership with Martin Audio. "Martin Audio is a joy to work with," he states. "I trust the sales and design team to point us in the right direction as we work through projects."
5. Implications for House-of-Worship Audio Design
The successful deployment at Apex Baptist Church offers a clear roadmap for other contemporary houses of worship grappling with aging audio infrastructures and difficult acoustic spaces. As congregations increasingly adopt production standards rivaling commercial music venues, the tolerance for poor speech intelligibility and uneven frequency coverage has evaporated.
Addressing Acoustical Hurdles
The project underscores the reality that line arrays alone cannot solve a room’s acoustic maladies. By combining physical acoustic treatment—such as absorption panels targeting flutter echoes and high RT60 times—with highly directional, digitally optimized line arrays like the Martin Audio WPS, integrators can achieve studio-quality monitoring environments in large, multi-level auditoriums.
The Role of Scalable Scalability
Furthermore, the use of scalable components—such as pairing primary line arrays with specialized down-fills (FlexPoint FP6) and delay/balcony fills (FlexPoint FP4)—demonstrates that modern worship audio design requires tiered coverage planning. Every seat in the house, from the front row to the very back of the deep balcony, must experience the exact same tonal balance and dynamic clarity.
As houses of worship continue to evolve into community hubs hosting diverse weekly programming, investments in scalable, high-intelligibility sound systems will remain paramount. For Apex Baptist Church, the integration of Martin Audio technology ensures that its message—spoken or sung—will be delivered with uncompromised clarity for years to come.
