K-Array Rumble KU26 – Compact Stainless Steel Passive Subwoofer (Black)

Product Overview

The K-Array Rumble KU26 compact passive subwoofer adds genuine low-frequency support to huddle rooms, boardrooms, and discreet commercial AV installations where even a small conventional subwoofer is too large. Measuring only 350 x 180 x 119 mm, this ultra-compact installation subwoofer pairs a 6-inch neodymium woofer with a 6-inch passive radiator to deliver 121 dB peak SPL and 2 x 80 W power handling from a sealed stainless steel enclosure. IP54 weather resistance also makes it a low-profile outdoor subwoofer for exterior architectural integration. This is the black finish; a white KU26W version is also available.

Product Description

The KU26 is the smallest member of K-Array's Rumble line, engineered for installations where the loudspeakers themselves are meant to go unnoticed. Its 6-inch transducer is tuned for maximum linear excursion with minimum residual noise, and the passive radiator replaces a reflex port so the stainless steel cabinet stays sealed against dust, sand, and moisture. That makes it the natural bass companion for K-Array's micro satellites: a dedicated amplifier preset balances the KU26 against Lyzard, Vyper, Tornado, and KZ14 speakers, producing full-range response from elements small enough to disappear into millwork, display shelving, or ceiling lines. The double voice coil offers selectable 8-ohm or 32-ohm impedance, so integrators can parallel multiple cabinets on one amplifier channel across distributed zones in conference floors and multi-room facilities. The K-WF26 accessory flush-mounts the cabinet into a wall, and the K-WALL2, K-PMOUNT, and K-KCLAMP families cover surface, pole, and truss mounting. For larger rooms, step up to the Rumble KU210 or Rumble KU212.

Key Features

• Ultra-Compact 350 x 180 x 119 mm Cabinet — The smallest Rumble subwoofer hides inside millwork, under desks, or behind displays where no conventional subwoofer fits.
• 6-Inch Woofer with 6-Inch Passive Radiator — The sealed radiator-loaded design is engineered for maximum linear excursion and minimum residual noise, with bass extension to 45 Hz.
• 121 dB Peak SPL with 2 x 80 W Power Handling — Output capability supports huddle rooms, boardrooms, and distributed background-to-foreground zones.
• Selectable 8/32 Ohm Impedance — The double voice coil allows multiple cabinets per amplifier channel for efficient distributed audio wiring.
• Stainless Steel IP54 Construction — The sealed weather-resistant enclosure serves indoor and outdoor installations, with a marine version available for coastal sites.
• Matched Micro-Satellite Pairing — A dedicated amplifier preset balances the KU26 against Lyzard, Vyper, Tornado, and KZ14 speakers for full-range invisible systems.
• In-Wall Flush-Mount Option — The K-WF26 accessory recesses the cabinet into the wall for completely concealed low-frequency reinforcement.
• 4-Pin Euroblock Connectivity — The phoenix-style connector supports clean loop-through wiring in fixed installations.

Typical Applications

• Huddle rooms and boardrooms needing discreet program bass
• Conference rooms with micro-satellite speaker systems
• Commercial meeting spaces with strict aesthetic requirements
• Houses of worship adding low-frequency fill to architectural zones
• Multi-purpose rooms and training rooms with distributed audio
• Government spaces where loudspeakers must remain unobtrusive

Technical Specifications

Frequently Asked Questions

Which amplifier should drive the Rumble KU26?

The KU26 is passive and requires external amplification with a low-pass crossover at approximately 150 Hz. K-Array amplifiers with the dedicated KU26 preset are recommended because they manage crossover, EQ, and level alignment against K-Array micro satellites automatically.

Which K-Array speakers pair with the KU26?

The KU26 is the designed bass companion for Lyzard, Vyper, Tornado, and KZ14 micro speakers, completing a full-range system whose elements remain nearly invisible in the room. Browse companion models in the K-Array collection.

Why does the KU26 use 8/32 ohm impedance instead of 4/16?

The 6-inch driver uses a 2 x 16-ohm double voice coil, giving 8-ohm or 32-ohm selectable operation. The 32-ohm setting lets integrators parallel several KU26 cabinets on a single amplifier channel across distributed zones.

Can the KU26 be flush-mounted in a wall?

Yes. The K-WF26 accessory (black, white, or custom RAL) recesses the cabinet into a wall cavity for fully concealed low-frequency reinforcement in boardrooms and architectural interiors.

Is the KU26 suitable for outdoor installation?

Yes. The sealed stainless steel enclosure is IP54 rated, and a marine version with enhanced anti-corrosion treatment plus the K-KUIP protective cover is available for exposed or coastal environments.

What warranty applies?

K-Array products carry a 5-year manufacturer warranty, supported by Creation Networks as an authorized dealer with commercial AV system design assistance.