K-array Rumble-KU210 Ultra-Thin High-Performance Passive Subwoofer

Rumble-KU210 – Ultra-Thin High-Performance Passive Subwoofer

The Rumble-KU210 is an ultra-thin, high-performance passive subwoofer designed as the perfect companion to K-array mid-high speakers for AV applications. Combining extended frequency response, powerful output, and a virtually invisible profile, the KU210 is ideal for even the most ambitious projects.

This subwoofer features a 10″ neodymium transducer paired with a 10″ passive radiator, ensuring a completely sealed design that resists dust, sand, and water. Built entirely from stainless steel, it withstands harsh outdoor conditions and is available in a marine version for extreme environments.

Engineered for maximum linear excursion and minimal residual noise, the KU210 offers selectable impedance (4 Ω / 16 Ω) via its double voice coil, allowing up to four units on a single amplifier channel. With dedicated presets, K-array Kommander amplifiers deliver optimal performance when paired with Rumble subwoofers.

Measuring 500 × 282 × 151 mm and weighing 11 kg, the KU210 comes in black, white, or custom RAL colors, with premium finishes like brushed steel, polished steel, or 24K gold plating for seamless integration or standout aesthetics.

Specifications

General

• Type: Passive subwoofer
• Transducers: 10″ neodymium magnet woofer + 10″ passive radiator
• Frequency Response: 40 Hz – 150 Hz (–6 dB)
• Max SPL: 127 dB (peak)
• Rated Power: 320 W
• Coverage: Omni
• Connectors: 4PIN euroblock connector (included)
• Nominal Impedance: 4 Ω / 16 Ω selectable

Handling and Finishes

• Dimensions (W × H × D): 500 × 282 × 151 mm (19.7 × 11.1 × 5.9 in)
• Weight: 11 kg (24.3 lb)
• Material: Stainless Steel
• Colors: Black, White, Custom RAL
• Finishes: 24K Gold, Polished, Brushed