K-array Rumble-KU315 High-Power Ultra-Thin Passive Subwoofer

Rumble-KU315 – High-Power Ultra-Thin Passive Subwoofer

The Rumble-KU315 is the most powerful passive subwoofer in the Rumble series, delivering 2000 W at 4 Ω. Built from water-resistant polyurea-coated birch plywood, this ultra-thin subwoofer features a 15″ neodymium transducer and two 15″ passive radiators for maximum linear excursion and minimal noise. Its sealed design and SpeakOn NL4 connector make it ideal for outdoor and marine applications.

Optimized for use with K-array Kommander amplifiers, the KU315 offers extended frequency response, high SPL output, and a discreet form factor, making it perfect for medium and large-scale installations such as clubs, theaters, cinemas, and auditoriums.

Specifications

General

• Type: Passive subwoofer
• Transducers: 1 × 15″ neodymium magnet woofer + 2 × 15″ passive radiators
• Frequency Response: 35 Hz – 150 Hz (–6 dB)
• Max SPL: 138 dB (peak)
• Rated Power: 2000 W
• Coverage: Omni
• Connectors: 1 × SpeakON NL4 (1+ 1–)
• Nominal Impedance: 4 Ω

Handling and Finishes

• Dimensions (W × H × D): 1230 × 450 × 250 mm (48.4 × 17.7 × 9.8 in)
• Weight: 40 kg (88.18 lb)
• Material: Polyurea-coated birch plywood
• Colors: Black, White, Custom RAL

Regulations

• IP Rating: IP64