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KEF Kube 8b Subwoofer

AED 800

ETHAN

4.9

6 items live

Item Details

Age

6-12 months

Condition

Perfect inside and out

Brand

Kef

Warranty

No

Usage

Used only a few times

Model name

Kef

Connectivity Technology

Wired

Features

Dolby Enabled

Posted on: 2nd October 2026

Description

The KEF Kube 8b is a compact, front-firing, sealed-box powered subwoofer.
Key Specifications
• Drive Unit: 1 x 200mm (8-inch) driver
• Amplifier Type: Class-D
• Rated Power Output: 300W RMS
• Frequency Response: 34Hz – 140Hz (-6dB)
• Maximum Sound Pressure Level (SPL): 105dB
• Low-Frequency Filter / Crossover: Variable 40Hz – 140Hz and LFE
• Analog Inputs: RCA phono, line-level, and speaker-level inputs
• Power Supply: 100V – 120V / 220V – 240V ~ 50/60Hz (300VA)
• Dimensions (H x W x D): 293 x 293 x 310 mm (approx. 11-9/16" x 11-5/8" x 13-5/16")
• Weight: 11.3 kg (25 lbs)