B07TVF47GZ Zoom B1X Four Bass Multi-Effects Pedal w/Expression Pedal, 9 Amp Models, 70 Onboard Effects, Looper, Built-in Drum Machine with 68 Patterns, w/Deluxe Bundle- Cables and Stereo Headphones and More

B1X FOUR offers over 70 built-in effects and up to 5 effects can be used simultaneously, chained together in any order.
Looper for recording up to 30 seconds / 64 beats of CD-quality audio; and 68 built-in rhythm patterns that can be used in conjunction with the looper.
Autosave function for automatic saving of all patch parameters as you create them, in 50 memory locations for storing user-created patches.
Runs on 4 AA batteries, (Included) with alkaline battery life of 18 hours.
1/4″ input jack accepts standard mono bass guitar cable (both active and passive instruments supported). 3.5mm auxiliary input jack for connection of personal music players. Output jack for connection to amp or headphones. A USB port for firmware updates, power and connection to Zoom Guitar Lab.