When designing a sound system for medium to large spaces such as auditoriums, churches, conference halls, or hotel lobbies, one of the biggest challenges lies in managing echo, unclear sound, and uneven coverage. Column speakers have become an ideal solution thanks to their excellent vertical dispersion, reduced ceiling/floor reflections, and precise directional control. Discover more about this professional sound solution in the full article below.
Outstanding Technical Advantages of FBT Column Speakers
Even Coverage, Clear Sound, Minimal Reverberation
- FBT column speakers employ multiple small LF drivers combined with a waveguide or guide horn for precise dispersion control, ensuring consistent sound distribution across near-far and left-right listening positions.
- The column design minimizes reflections from the ceiling and floor — particularly important in tall or acoustically reflective spaces.
- For instance, the FBT Vertus CLA 604A features 6 × 4" LF + 4 × 1" HF drivers, 100° × 20° dispersion, a frequency response from 130 Hz to 20 kHz, and RMS power of 400W + 100W.
- FBT column speakers are engineered to reduce acoustic feedback — a crucial advantage when microphones are used nearby.
Integrated 24-bit / 48 kHz DSP – Flexible Configuration
- Most active FBT column speaker models come equipped with an integrated 24-bit / 48 kHz DSP, offering EQ presets, limiter, crossover, and delay settings — allowing engineers to fine-tune the system easily to the venue.
- The integrated DSP enables optimal tonal balance, eliminates resonances, and ensures signal safety (speaker protection) even at high output levels.
Expandable and Modular Design
- FBT column speakers are often modular, allowing multiple columns to be linked for wider coverage or combined with FBT subwoofers to extend low-frequency response — enabling scalable system upgrades.
- Example: The CLA 604A can be paired with the CLA 208SA subwoofer to create a flexible column + sub configuration.
- Passive column models are also available (for use with external amplifiers) if you prefer custom amplification or processing setups.
Durable and Slim Design
- FBT columns are typically made from extruded aluminum or high-grade alloy, ensuring rigidity, excellent heat dissipation, and lightweight construction.
- The slim form factor allows easy installation (wall-mounted, suspended, or free-standing) while maintaining visual elegance.
- The combination of performance, durability, and aesthetics makes FBT column speakers ideal for fixed installations such as churches, auditoriums, and heritage halls.
System Configuration & Model Selection Guide
| Venue Size / Application |
Recommended Model |
Key Specifications |
Deployment Notes |
| Meeting / Conference Room (~100–200 seats) |
FBT CLA 206A |
2 × 6.5", 600W + 300W, Max SPL ~133 dB |
Use 2 columns + small subwoofer if extended low-end is needed |
| Medium Auditorium / Church (~200–400 seats) |
FBT CLA 406.2A |
4 × 6.5" + 1 × 1.4", 600W/300W, high SPL, wide coverage |
Modular stacking available for extended column height or sub pairing |
| Large Hall / Multipurpose Venue |
FBT CLA 604A |
6 × 4" + 4 × 1", 400W/100W RMS, DSP with 4 presets |
Easily expandable, compatible with CLA 208SA subwoofer |
Technical Considerations for Installation
- Ensure proper matching between required SPL, power output, and actual coverage (based on distance, ceiling height, and ambient noise level).
- When linking multiple modules, align delay and phase (features available within the integrated DSP).
- Add subwoofers if extended low-frequency performance is required (e.g., CLA 208SA with CLA 604A).
- Optimize listener placement — avoid positioning too close to reflective surfaces.
Comparison with Traditional 2-Way / Full-Range Speaker Systems
- Traditional 2-way or full-range speakers typically use larger drivers (bass + tweeter), which can cause excessive reflections if not carefully placed, especially in high-ceiling environments.
- Single full-range speakers often provide uneven coverage — louder in front and weaker at the back.
- Systems using external DSPs, crossovers, delay, and reverb are more complex to configure than integrated column systems.
- FBT column speakers simplify setup, reduce external processing costs, and improve system consistency — making operation much easier for technicians.
Conclusion
FBT column speakers are an optimal solution for medium to large spaces, effectively addressing reverberation issues, uneven sound coverage, and poor speech intelligibility. With the integrated 24-bit / 48 kHz DSP featuring EQ, limiter, delay, and crossover presets, engineers can configure systems quickly and accurately.
FBT active column speakers (featuring Class D amplification) typically deliver RMS power between 400–600W for LF and 100–150W for HF — achieving wide coverage while maintaining system reliability.
In real-world applications, modular FBT setups or FBT subwoofer pairings enhance both sound depth and coverage flexibility, adaptable from mid-size halls to large venues.
The slim, extruded aluminum design ensures durability, effective heat dissipation, and refined aesthetics for professional installations.
If you are looking for a premium, clear, and stable sound solution, FBT column speakers should be your first consideration. Contact us for tailored configuration advice based on your venue and budget.
Buy Genuine FBT Column Speakers at Hoang Bao Khoa
- Official products with full CO-CQ and VAT invoices.
- Free nationwide delivery and international shipping options.
- Expert technical consultation: our audio engineering team provides detailed configuration support for specific venues (auditoriums, churches, meeting rooms, events, etc.).
- 12-month official warranty: transparent after-sales service, genuine parts, long-term operational assurance.
- Flexible financing and installment options: ideal for event organizers, cultural centers, educational institutions, and churches.