Four (4) band, adjustable resistance, base model with on-platform training capability only. Primarily a leg loading system to improve the vertical jump and hip flexor power.
Six (6) band, adjustable resistance, Level 2 model with on-platform training capability only. The V6 unit has all the capabilities of the V4 unit plus it allows Leg and arm loading while vertical jump training in addition to foot loading for developing kicking and ham string power.
Six (6) band, adjustable resistance, Level 3 model with two topside multi-vector bands (allows on AND off-platform training with one or two bands!). The V6 Pro unit has all the capabilities of the V6 unit plus it allows the athlete to perform off-platform acceleration drills with one or two bands connected to the feet or hips.
Eight (8) band, adjustable resistance, Level 4 model with four topside multi-vector bands (allows on AND off-platform training with one to four bands!). The V8 Elite unit has all the capabilities of the V6 Pro unit plus it allows the athlete to perform off-platform acceleration drills with one to four bands connected to the body.