Double your Dirt - A Deep Look at the Boss SD-2 Super OverDrive. - YouTube
Guitar Pedal X - GPX Blog - Drunk Beaver's 14th Pedal Drop is a beautifully Evolved and Expanded take on the Lead Channel of the cult classic Boss SD-2 Dual OverDrive
Tachyon Amp Overdrive / BOSS® SD-2 Lead Channel - Aion FX
SD-2 DUAL OverDrive - Boss SD-2 DUAL OverDrive - Audiofanzine
Boss SD-2 Dual Overdrive - YouTube
Boss SD-2 Dual Overdrive | Reverb
SD-2 DUAL OverDrive - Boss SD-2 DUAL OverDrive - Audiofanzine
Boss SD-2 DUAL OverDrive - ranked #261 in Overdrive Pedals | Equipboard
Boss SD-2 Dual Overdrive | Reverb
Boss SD-2 Pedal Cap Upgrade Mod Kit
BOSS SD-2 DUAL Over Drive Guitar Effects Pedal from japan | eBay