VLX 4

KME VLX 4 - Portable Passive 3-Way Loudspeaker in D’Appolito Configuration

The VLX 4 is a compact, portable 3-way loudspeaker featuring four 4" drivers and a 1" dome tweeter arranged in a D’Appolito configuration for improved phase alignment and controlled dispersion. Its slim enclosure allows for stand mounting or flying, making it ideal for both mobile and fixed installations, indoors and outdoors.

Functionality

• Slim and unobtrusive enclosure - suitable for stand or flying installation
• Integrated speaker flange for tripod use
• Optional flying hardware available
• Compact size and moderate weight - easy to transport and install
• Built-in handle for convenient handling
• D’Appolito driver layout - enhanced directivity and phase coherence

Features

• Wooden cabinet with weather-resistant PU coating
• High-quality, high-load components
• Impregnated speaker membrane – suitable for indoor and outdoor use
• Smooth and balanced high-frequency response
• Low acoustic feedback tendency
• Natural and transparent sound
• Durable metal grille with acoustic foam

Technical Specifications

• Components: 4 x 4" + 1 x 1" dome tweeter (D’Appolito configuration)
• Dispersion (H x V): 80° x 40°
• Power rating (AES / program): 200 / 400W
• Impedance: 8Ω
• Sensitivity (1W/1m): 90dB
• Max SPL (AES): 113dB
• Frequency range (-10 dB): 100 Hz - 19 kHz
• Connectors: 2 x Neutrik Speakon NL4
• Dimensions (W x H x D): 135 x 500 x 166 mm
• Weight: 6 kg
• Finish: black PU coating
• Mounting threads: 2 x M8 + 1 x M8 safety point
• Additional features: speaker stand socket, handle

The VLX 4 is the perfect choice for AV integrators and sound technicians looking for a compact, elegant, and reliable loudspeaker for conference rooms, houses of worship, educational spaces, and live events.