KEF Kube 15 MIE – 15″ Active Subwoofer with Deep Bass & High-Performance Audio

Description The KEF Kube 15 MIE is a 15-inch front-firing active subwoofer designed to deliver ultra-deep, precise, and powerful bass for high-performance home audio and cinema systems. Equipped with a 380 mm driver and a 300 W Class-D amplifier in a sealed enclosure, it produces dynamic, room-filling low frequencies with exceptional control and minimal distortion. Its sealed design ensures tight and accurate bass reproduction, while a maximum output of 116 dB creates immersive sound that enhances both music and movie experiences. The Kube 15 MIE features versatile inputs, including RCA phono, speaker-level connections, and an expansion port for KEF KW1, allowing seamless integration with a wide range of audio setups. With a variable low-pass filter (40Hz–140Hz) and LFE compatibility, users can easily tailor the bass response to suit any room size or audio system, making it ideal for audiophiles and home theater enthusiasts seeking powerful, high-fidelity low-end performance.Features15-inch Front-Firing Driver – Delivers ultra-deep, impactful bass with precise control, enhancing both music and cinematic soundtracks.High-Performance Class-D Amplifier – 300 W RMS output ensures powerful, dynamic, and distortion-free low-frequency performance.Variable Low-Pass Filter & LFE Input – Adjustable from 40 Hz to 140 Hz for precise integration with AV receivers and tailored bass response.Versatile Connectivity – Includes RCA phono sockets, speaker-level inputs, and an expansion port for KEF KW1 for flexible system integration.Sealed Enclosure Design – Provides tight, accurate bass while maintaining a robust and compact footprint (519 × 500 × 515 mm).Easy Setup & Integration – Lightweight for its size (27.5 kg) and compatible with 100–240 V, 50/60 Hz power supply, making installation simple.Wide Frequency Response – Reproduces lows from 20 Hz to 140 Hz (±3 dB) for immersive, full-range bass.High Maximum Output – Up to 116 dB SPL delivers room-filling, deep bass without compromising clarity or control.SpecificationsSpecificationDetailsDesignPowered Subwoofer (Sealed)Drive Units1 × 380 mm (15 in.)Frequency Response20 Hz – 140 Hz (±3 dB)Maximum Output116 dBAmplifier TypeClass-DAmplifier Power300 W RMSVariable Low-Pass Filter40 Hz – 140 Hz, LFEInputsRCA phono sockets, Speaker-level inputs, Expansion port for KW1Power Requirements100 – 240 V, 50/60 HzPower Consumption300 VADimensions (H × W × D) with Rear Panel & Feet519 × 500 × 515 mm (20.4 × 19.7 × 20.3 in)Weight27.5 kgT2S8M2E0/00-BKM