VIBE Audio Optisound VW T5 Custom Fit Speaker Kit, Black : Amazon.co.uk
VW Transporter T5.1 2010 - 2016 KENWOOD 600 Watts Front Door Speakers & Brackets | eBay
OPTION Air Front Speaker System Compatible with VW T5/T6 100% Plug & Play System - 2-Way Component System - 100 Watt RMS, 91 dB Efficiency: Amazon.co.uk: Computers & Accessories