The FBT Vertus CLA604AW is a white, two-way bi-amplified column line array speaker designed for live sound reinforcement, corporate events, houses of worship, and professional audio installations. Featuring six 4-inch custom woofers, four 1-inch neodymium dome tweeters, and 500W RMS Class-D amplification, it delivers up to 125dB maximum SPL with 100° horizontal and 20° vertical coverage. Its integrated DSP processor with four EQ presets, modular connection system, and durable extruded aluminum enclosure provide flexible sound reinforcement for applications requiring clear audio projection and controlled dispersion.
FBT Vertus CLA604AW Competitive Differences
500W RMS Class-D Bi-Amplification: Combines 400W RMS low-frequency and 100W RMS high-frequency amplifier sections, with up to 1000W combined peak output.
Six 4-Inch Custom Woofers: Multiple low-frequency drivers with 1-inch voice coils provide controlled midrange and low-frequency reproduction within a compact column enclosure.
Four Neodymium Dome Tweeters: Four 1-inch high-frequency drivers mounted on waveguides deliver detailed sound with consistent coverage across the listening area.
125dB Maximum SPL: Provides high acoustic output for live performances, presentations, and sound reinforcement in small to medium-sized venues.
100° x 20° Controlled Dispersion: Wide horizontal coverage and focused vertical dispersion help direct sound toward the audience while reducing unwanted floor and ceiling reflections.
Four DSP EQ Presets: Integrated digital signal processing allows users to optimize the speaker's response for different configurations and applications.
Modular Line Array Expansion: Upper and lower latching mechanisms allow compatible CLA604A modules to be connected for extended array configurations, including horizontal adjustment of up to ±30°.
Integrated PowerCON Connections: Neutrik PowerCON power input and loop output simplify power distribution between compatible speaker modules.
Durable White Aluminum Cabinet: Powder-coated extruded aluminum construction with a protective steel grille combines structural rigidity with an appearance suited for permanent installations and formal event spaces.
Manufactured in Italy: Designed and manufactured by FBT in Italy for professional sound reinforcement applications.
FBT Vertus CLA604AW Description
The FBT Vertus CLA604AW combines high-output amplification and controlled sound dispersion in a slim, professional column line array. Its two-way design incorporates six custom 4-inch woofers with 1-inch voice coils and four 1-inch neodymium dome tweeters mounted on waveguides. The integrated Class-D amplifier delivers 400W RMS to the low-frequency drivers and 100W RMS to the high-frequency drivers, producing up to 125dB peak SPL. With a frequency response of 130Hz to 20kHz (-6dB), the system provides clear vocal reproduction and detailed music playback for sound reinforcement applications.
The column configuration delivers 100° horizontal and 20° vertical dispersion, helping distribute sound evenly across the audience while limiting unnecessary vertical sound spread. This controlled coverage makes the speaker particularly useful in reverberant environments such as churches, auditoriums, conference rooms, and performance spaces. Its integrated DSP processor provides four selectable EQ presets, allowing users to adjust the system's response for different operating configurations. Rear-panel controls include volume, preset selection, high-pass filtering, and microphone/line source selection, with status indicators for power, peak signal, and protection or limiting.
Designed for modular system configurations, the CLA604AW features upper and lower latching mechanisms that allow additional compatible CLA604A speaker modules to be connected. The mounting system supports horizontal column adjustment of up to ±30°, providing flexibility when configuring extended arrays for different audience layouts. An XLR input and Neutrik PowerCON power input are positioned near the lower section of the speaker, while an XLR link output and PowerCON loop output are located toward the upper section. This arrangement supports cleaner cabling when multiple modules are connected. The speaker can also be paired with a compatible FBT CLA208SA active subwoofer for applications requiring additional low-frequency reinforcement.
The enclosure is constructed from powder-coated extruded aluminum, providing a rigid and durable housing while maintaining a compact profile. A heavy-duty perforated steel grille protects the speaker drivers during operation and handling. Its white finish allows it to blend into architectural environments where discreet speaker placement is important, including houses of worship, conference facilities, theaters, restaurants, and event venues. Compatible mounting accessories and the modular construction provide installation flexibility for both portable and permanent systems.
Suitable for sound engineers, system integrators, live event technicians, and commercial audio installers, the Vertus CLA604AW offers a combination of acoustic output, controlled coverage, and modular scalability. Its slim column format and integrated amplification make it a practical choice for speech reinforcement, background music, live performances, educational facilities, corporate audiovisual systems, and other professional installations requiring consistent sound distribution.
CLA604AW Features
White two-way bi-amplified active column line array speaker
500W RMS Class-D amplification with 1000W combined peak output
400W RMS low-frequency amplifier section
100W RMS high-frequency amplifier section
Six custom 4-inch woofers with 1-inch voice coils
Four 1-inch neodymium dome tweeters with waveguides
Maximum sound pressure level of 125dB peak
122dB continuous maximum SPL
Frequency response of 130Hz to 20kHz (-6dB)
100° horizontal and 20° vertical dispersion
Integrated DSP processor with four selectable EQ presets
Class-D amplification with switch-mode power supply
2.5kHz crossover frequency
Adjustable volume control
Selectable microphone/line input mode
High-pass filter control
LED indicators for power, peak signal, and protection/limiting
Balanced XLR audio input
XLR link output for connecting additional compatible audio equipment
Neutrik PowerCON power input and loop output
Modular upper and lower latching system for connecting compatible CLA604A modules
Supports horizontal column adjustment of up to ±30° in compatible modular configurations
Expandable column array design for larger sound reinforcement systems
Compatible with FBT CLA208SA active subwoofer systems for extended bass response
Powder-coated extruded aluminum cabinet
Heavy-duty perforated steel protective grille
Slim cabinet design for discreet installation
White finish suitable for architectural and event environments
Compatible with optional mounting and installation accessories
Suitable for portable sound reinforcement and permanent installations
Ideal for houses of worship, theaters, auditoriums, corporate venues, schools, and live events
Manufactured in Italy
CLA604AW Specifications
Brand: FBT
Series: Vertus CLA
Model: CLA604AW
Manufacturer Product Code: 36892 (White)
Product Type: Powered Column Line Array Speaker
System Configuration: 2-Way Bi-Amplified
Frequency Response (-6dB): 130Hz - 20kHz
Maximum SPL (Continuous): 122dB
Maximum SPL (Peak): 125dB
Horizontal Dispersion: 100°
Vertical Dispersion: 20°
Low-Frequency Drivers: 6 x 4 in (101.6mm) Custom Woofers
Low-Frequency Voice Coils: 1 in (25.4mm)
High-Frequency Drivers: 4 x 1 in (25.4mm) Neodymium Dome Tweeters
High-Frequency Voice Coils: 1 in (25.4mm)
High-Frequency Waveguides: Yes
Amplifier Type: Class-D Bi-Amplified
LF Amplifier Continuous Output: 350W RMS
HF Amplifier Continuous Output: 80W RMS
LF Amplifier Maximum Output: 400W RMS
HF Amplifier Maximum Output: 100W RMS
Combined Maximum RMS Output: 500W
LF Amplifier Peak Output: 800W
HF Amplifier Peak Output: 200W
Combined Peak Output: 1000W
DSP Processing: Integrated Digital Signal Processor
