DIY Subwoofer Upgrade for Tesla Model 3 & Y | Alpine PSS-TSUB-T3A / TYA Step-by-Step Install Guide

In this step-by-step guide, we’ll show you how to install the Alpine PSS-TSUB Plug-and-Play Subwoofer Upgrade for the Tesla Model 3 (PSS-TSUB-T3A) and Model Y (PSS-TSUB-TYA). This install-friendly system includes a 10" sealed subwoofer enclosure, a compact Alpine KTA-200M amplifier, and a custom wiring harness that integrates directly with Tesla’s factory premium sound system — no cutting, no coding, and no guesswork required. 🔧 In This Video You’ll Learn: How to remove the factory Tesla panels & subwoofer How to mount and wire the Alpine 10" sub & components How to connect the plug-and-play harnesses Where to install the KTA-200M amp How to test and verify your system after install Chapters: 00:00 - Intro 00:49 - System Overview, Compatibility, and Components 04:08 - Tools Needed for Install 06:09 - Power Down Procedure & Disconnecting Battery 10:44 - Panel Removal & Disassembly 17:16 - Removing the Factory Subwoofer 20:14 - Installing the Alpine Subwoofer & Components 37:26 - Reconnecting Power & Reboot Procedure 39:18 - Testing the System 40:01 - Reassembly & Finishing Touches 46:52 - Recap & Outro 🛠️ Fits: 2017–2024 Tesla Model 3 (PSS-TSUB-T3A) 2020–2024 Tesla Model Y (PSS-TSUB-TYA) 🎵 Whether you're upgrading your daily commute or just want your music to hit harder, this Tesla-specific solution gives you clean, deep bass with a clean factory look. 🔗 Learn more or shop the kits here: https://www.alpine-usa.com/products/t... Drop a comment if you have any questions about fitment, tools, or install tips — we’re here to help! #TeslaModel3 #TeslaModelY #AlpinePSS #SubwooferInstall #TeslaBassUpgrade #PlugAndPlayAudio #Model3Audio #ModelYAudio