FLEX 928A 2x18" Active Powered Subwoofer

The FLEX 928A is a powerhouse in the pro-sound category, engineered to deliver earth-shaking low frequencies with pristine clarity. Combining a massive 2800-watt RMS Class-D amplifier with a hyper-vented, double 18" driver configuration, this cabinet is built to handle the most demanding live sound environments and fixed installations.

Equipped with a full DSP suite and selectable presets (including Cardioid and End-Fire configurations), the FLEX 928A offers unparalleled control, allowing you to tune your system for maximum impact in any venue.

Key Features

Monumental Output: Achieves a maximum SPL of 138 dB, ensuring deep bass cuts through the mix.

High-Power Amplification: 5600W Peak / 2800W RMS Class-D amplifier with SMPS technology for efficient, reliable power.

Precision Drivers: Features two 18" Hyper-Vented woofers with massive 4" voice coils for reduced power compression and high durability.

Advanced DSP Control: Full DSP processing with presets for Cardioid, End-Fire, and Inverted Stack configurations to optimize coverage and cancellation.

Robust Construction: Built from durable Baltic Birch plywood, ensuring longevity on the road.

Technical Specifications

Acoustical Frequency Response: 30 Hz - 400 Hz

Maximum SPL: 138 dB (@ 1m)

Transducers Type: 2x 18" Hyper Vented Woofer

Voice Coil: 4.0" Amplifier Amplifier

Type: Class-D with SMPS Total Power: 5600 W Peak, 2800 W RMS

Cooling: Convection Processor & DSP

Protections: Thermal, RMS, Fast Limiter

Hi-Pass Frequencies: 30 Hz, 40 Hz

Low-Pass Frequencies: Variable (50 Hz to 120 Hz)

Connectivity Input: Balanced/Unbalanced, XLR & Jack

Output: XLR

Power: Powercon IN / OUT

Sensitivity: -2 dBu / +4 dBu

Controls Front Panel: Volume Control, Ground Switch

Preset Switch: Selectable DSP Presets Configurations include: Standard, Cardioid, End Fire, Inverted Stack, Crossover (Xover) modes.

Physical Enclosure

Material: Baltic Birch Plywood Grille:

Powder-coated Steel

Handles: 2x Side Handles

Color: Black

Weight: 105 kg (231.5 lbs)

Compliance Certification: CE Marking

Configuration Modes

The FLEX 928A's DSP allows for quick adaptation to various venue layouts:

Standard: Maximum output for general use.

Cardioid: Rear rejection to focus bass energy towards the audience and away from the stage.

End Fire: Directional array configuration for controlled beam steering.

Inverted Stack: Specific phase alignment for stacking subwoofers.

For more information or to download the full owner's manual (LSPR-011-IDN), please contact support.