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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
front-panel USB port for connecting a thumb drive
Optimized with KEF's Music Integrity Engine®
Signal to noise ratio: 73dB (MC)
Late March 2025
SB17-Ultra R|Evolution Color:Piano Gloss Black front-panel USB port for connectingA quantum leap forward in design and performance with multiple groundbreaking innovations the most formidable and sophisticated sealed subwoofer ever developed. All new 17 inch driver with first ever dual 8 inch voice coils. The most powerful amplifier ever deployed in a consumer subwoofer with unprecedented dual mono block design married to the extreme intelligence of a 295MHz DSP. All managed by the most sophisticated subwoofer control app, now with
