KEF Kube 15 MIE Subwoofer vs Sony HT-A8000 – Key Differences & Best Choice (2026)

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Brand	KEF	Sony
Model No	Kube 15 MIE Subwoofer	HT-A8000
Wired / Wireless	Home Theatre Speaker Specification	Home Theatre Speaker Specification
Driver Type	Dynamic	Dynamic

Driver Diameter	380 mm	Tweeter : 16 mm Woofer Driver : 45 mm X 90 mm Full-Range Driver : 46 mm X 54 mm
Impedance	NA	NA
Sensitivity	116dB	NA
Frequency Response	Frequency Response ( Â±3dB ) : 20Hz â€“ 140Hz Variable Low Pass Filter : 40Hz â€“ 140Hz, LFE	20Hz - 20KHz
Maximum Power Input	AC 100 - 240V, 50/60 Hz	AC 100~240V, 50/60Hz
Maximum Power Output	300 W ( RMS ) Amplifier Type : Class D	495 W ( RMS ) Surround Sound Channel Configuration : 5.0.2
Signal to Noise Ratio	116dB	NA

Noise Cancelling
Aux Connectivity	No	No
Weight	27.5 Kg	Unit Weight : 4.7 Kg
Dimensions	Subwoofer : 519 mm X 500 mm X 515 mm	Soundbar : 1100 mm X 64 mm X 113 mm
Available Colors	Black	Black
Accessories	KEF Kube 15 MIE Subwoofer Power Cord Euroblock Speaker Level Connector User Manual & Warranty Information	Sony HT-A8000 Soundbar Speaker Foot AC Cord HDMI Cable Remote Control Reference Guide Wall Mounting Bracket Wall Mounting Template Batteries For Remote Control TV Center Speaker Mode Cable
Other Features	Powerful 15 Inch woofer with 300 Watt Class D Amplifier. Kube offers versatile connection options, including KEF Smart Connect and speaker level inputs, making connecting into any system a breeze. 3 room position EQ options - The intuitive preset options ensure excellent performance from Kube no matter where in the room it is placed. The Kube features a front-firing long throw driver with a large cone area and high excursion, delivering higher output at lower frequencies. Its efficient and cool-running 300W Class D RMS amplifier further enhances performance. KEFâ€˜s proprietary DSP (Digital Signal Processing) algorithms ensure that every component of the subwoofer works in perfect harmony. Features such as iBX Intelligent Bass Extension provides even deeper and precise bass at any listening level.	Room Optimized Sound : Sound is auto calibrated to your room’s characteristics with Sound Field Optimization. Sound Straight From Cinema : Supports industry-standard formats including Dolby Atmos, DTS:X, and IMAX Enhanced. Innovative Acoustic Design : With 11 speaker units, hear exceptional acoustic performance and precise room filling spatial audio. Unleash The Full Potential Of Surround Sound : Hear cinema-style surround sound all around you with 360 Spatial Sound Mapping. Bravia Connect App : BRAVIA and Soundbar connects on a single App for seamless experience. You can connect TV remote and can control as one system.
	Compare KEF Kube 15 MIE Subwoofer with: KEF R2 Meta Bowers & Wilkins 606 S3 Samsung HW-Q800F/XU Samsung HW-Q900F Samsung HW-QS750F/XU	Compare Sony HT-A8000 with: KEF Q550 Floorstanding Speaker Samsung HW-QS750F/XU JBL BAR 800 Samsung HW-Q900F JBL RALLYBAR XL

Both models are designed for movies, music, and gaming, delivering a cinematic experience at home. Key differences lie in output power, channel setup, and feature support, which influence performance. KEF Kube 15 MIE Subwoofer and Sony HT-A8000 are feature-rich speaker setups offering a combination of powerful sound, surround experience, and connectivity options. Audio enhancements and surround technologies improve clarity and spatial sound performance. Modern connectivity options make these systems flexible for different setups and devices.

Verdict: Both systems are competitive, and the right option depends on your room size, usage, and feature requirements.

Top Differences

Sound Output: 300W vs 495W
Channels: 300 vs 495
Dolby Atmos: No vs Yes
Bluetooth: no vs yes
Bluetooth Version: NA vs 5.2

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