- GT-1B Bass Multi-Effect | Reverb
- Boss GT-1B Bass Pedal – Thomann United States
- Boss GT-1B Bass Multi-Effects Processor Electric Bass Effects P – The Music Farm
- BOSS Bass Effects : Musical Instruments
- BOSS GT-1B Multi-Effects Pedal – “Big Soundscape, Small | Bass Gear
- Boss GT-1B Bass Multi-Effects Processor Electric Bass Effects P – The Music Farm
- GT-1B Bass Processor Pedal
- Boss GT-1B Bass Pedal – Thomann United States
- Boss Multi-effects Processor Used w/AC Adapter From Japan | eBay
- Boss GT-1B Bass Multi-Effects - Swing City Music
- Boss GT-1B Bass Processor Bundle with Roland EV-5 Pedal | Reverb
- Bass Multi Effects Processor Pedal Cream City Music
- Boss GT-1B Multi-Effect Pedal Guitar YouTube
- BOSS GT-1B Bass Effects YouTube
- Boss GT-1B Multi Effect Bass Processor Pedal – Specialty Traders
- GT-1B Bass Guitar Processor Multi-Effects — Truetone Music
- BOSS GT-1B Bass Effects B&H Video
- Amazon.com: Boss GT-1B Bass Processor Musical Instruments
- Boss GT-1B Multi Effect Bass Processor Pedal – Specialty Traders
- GT-1B Bass Multi-Effector Effects Pedals for Bass Guitar JP | eBay
- GT-1B Bass Guitar Processor Multi-Effects — Truetone Music
- Boss GT-1B Bass Multi-Effects Processor Electric Bass Effects P – The Music Farm
- Used Boss GT-1B BASS Guitar Processor
- Boss Bass Multi-Effects Processor - Guys
- Who's the Boss? GT-1B is!!! -
- Boss GT-1B Multi Effect Bass Processor Pedal – Specialty Traders
- BOSS GT-1B Bass Effects YouTube
- BOSS GT-1B Multi-Effects Pedal – “Big Soundscape, Small | Bass Gear