Line 6 Helix Guitar Multi-Effects Processor Line 6 Helix Guitar Multi-Effects Processor | No Limit Guitar Co, Idaho Falls The Line 6 Helix is the professional guitar processor Line 6 was destined to create — a dual DSP HX modeling engine powering over 300 amp, cab, mic, and effects models... MSRP: Was: Now: $1,299.99 Add to Cart