Defender Octa Car Audio Upgrade | New Defender Speaker Upgrade + Custom Subwoofer Box Build

Watch as we transform the sound in a Brand-New Land Rover Defender octa with a complete car audio upgrade! This video details the full process, including the Defender speaker upgrade, a custom-built subwoofer box tailored for the New Defender's cargo area, and the amplifier installation. We finish off the Land Rover Defender octa sound system with final audio system tuning and a bass boost demonstration. If you're looking for a top-tier car stereo upgrade or ideas for your own subwoofer build, this is the essential sound system install guide. Check out pricing and options for your car: https://www.cambridgecar.audio T: 01223 56 30 30 A: Grange Farm, Horningsea, Cambridge, CB25 9JD Our website: https://www.cambridgecar.audio Instagram: https://www.instagram.com/cambridgecaraudio TikTok: https://www.tiktok.com/@CambridgeCarAudio