G1X FOUR offers over 70 built-in effects 13 amp models for simulating classic rigs. 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 with seamless start and end times. ZOOM Guitar Lab software for creating, editing and managing effects and patches. 68 built-in rhythm patterns which can be used in conjunction with the Looper. 50 memory locations for storing user-created patches. Auto Save function for automatic saving of all patch parameters. Onboard chromatic tuner supports all standard guitar tunings, including open and drop tunings. Input jack accepts standard mono guitar cable (both active and passive instruments supported). Auxiliary input jack for connection of personal music players. Output jack for connection to amp or headphones. Runs on 4 AA batteries, with alkaline battery life of 18 hours. USB port for firmware updates, power and connection to ZOOM Guitar Lab nánar