The Line 6 JM4 Looper is a feature-packed, 4-footswitch desktop/floor unit designed for jamming and recording, featuring over 100 endless jam tracks in 10+ styles, 24 minutes of internal recording time, and 200+ artist-created presets. It includes 12 amp models, 7 Smart Control FX, and supports up to 6.5 hours of storage via a 2GB SD card.

• Recording Time: 24 minutes of internal memory, expandable with up to 2GB SD card.
• Jam Tracks: Over 100+ "Endless Jam" tracks and 81 drum loops arranged by tempo.
• Presets: 200+ artist-created, 150+ song-based, and 36 user-programmable locations.
• Modeling/FX: 12 Line 6 amp models (Clean to Insane), 7 Smart Control FX (Chorus, Flanger, Phaser, Tremolo, Delay, Tape Echo, Sweep Echo).
• Inputs/Outputs: 1/4" Guitar/Bass input, XLR mic input (no phantom power), 1/8" Aux input (CD/MP3), 1/4" stereo outputs, and 1/8" headphone jack.
• Controls: Dedicated footswitches for Record/Overdub, Play/Stop, Half Speed, and Undo.
• Power: 9V AC power adapter (included).

Physical Specifications

• Dimensions: Approximately 12.5" (L) x 7.5" (W) x 3.25" (D).
• Weight: 4.1 lbs. [1]