GX-1B facts✅ ✅ 16 bass amplifier types ✅ Over 130 BOSS effects ✅ Eight simultaneous effect blocks plus volume pedal and noise suppression ✅ 99 ready-to-play preset memories and 99 user memories ✅ Three footswitches and an expression pedal with toe switch ✅ Onboard Bluetooth ✅ Record and play tracks via a USB-C ✅ BOSS Tone Studio editing app ✅ Livesets on BOSS Tone Exchange ✅ IR Support ✅ Jack for expanded control with up to two footswitches or an expression pedal ✅ Three AA batteries, AC adaptor