Filter Filters Harmony Audio Remove All Filters Price Under $50 (42) $50-$100 (14) $100-$500 (9) Condition New (65) Harmony Audio HA-EASY Replacement RCA to Speaker Line Input Amp Adapter for... $11.95 (1) Harmony Audio Primary Single Conductor 12 Gauge Power or Ground Wire - 8... $58.95 Harmony Audio Primary Single Conductor 12 Gauge Power or Ground Wire - 2... $22.95 Harmony Audio Primary Single Conductor 12 Gauge Power or Ground Wire - 10... $71.95 Harmony Audio Primary Single Conductor 12 Gauge Power or Ground Wire - 4... $33.95 Harmony Audio Primary Single Conductor 18 Gauge Power or Ground Wire - 2... $16.95 Harmony Audio Primary Single Conductor 12 Gauge Power or Ground Wire - 20... $132.95 Harmony Audio Primary Single Conductor 12 Gauge Power or Ground Wire - 4... $33.95 Harmony Audio Primary Single Conductor 12 Gauge Power or Ground Wire - 4... $33.95 Harmony Audio Primary Single Conductor 12 Gauge Power or Ground Wire - 2... $22.95 Harmony Audio Primary Single Conductor 18 Gauge Power or Ground Wire - 10... $47.95 Harmony Audio Primary Single Conductor 18 Gauge Power or Ground Wire - 2... $16.95 Harmony Audio HA-PW12GREEN Primary Single Conductor 12 Gauge Green Power or... $14.95 Harmony Audio Primary Single Conductor 12 Gauge Power or Ground Wire - 4... $33.95 Harmony Audio Primary Single Conductor 14 Gauge Power or Ground Wire - 2... $18.95 Harmony Audio Primary Single Conductor 14 Gauge Power or Ground Wire - 4... $28.95 Harmony Audio Primary Single Conductor 18 Gauge Power or Ground Wire - 4... $20.95 Harmony Audio Primary Single Conductor 18 Gauge Power or Ground Wire - 10... $49.95 Harmony Audio Primary Single Conductor 12 Gauge Power or Ground Wire - 6... $45.95 Harmony Audio Primary Single Conductor 18 Gauge Power or Ground Wire - 4... $20.95 Harmony Audio HA-PW12YELLOW Primary Single Conductor 12 Gauge Yellow Power or... $14.95 Harmony Audio HA-PW18GREEN Primary Single Conductor 18 Gauge Green Power or... $9.95 Harmony Audio Primary Single Conductor 18 Gauge Power or Ground Wire - 10... $47.95 Harmony Audio Primary Single Conductor 14 Gauge Power or Ground Wire - 10... $58.95 123