Report Abuse. First of all - RCA's, Pre-amps, Pre-outs, or just Outputs are all common terms referring to a head units low/line level rca style outputs used to drive an amplifiers input.The most basic HU's just offer a single pair (left and right) of pre-amp outputs.eport Abuse. First of all - RCA's, Pre-amps, Pre-outs, or just Outputs are all common terms referring to a head units low/line level rca style outputs used to drive an amplifiers input.
An ideal cardio session should be around 45 minutes. If you lift weights before aerobic training, youâll only need 15-20 minutes of cardio. Youâll get the same benefits as you would do in 45 minutes without weight training.
How to Do This Workout. * Do the Weight Workout 3 days a week, resting at least a day between each session. So you might lift weights on Monday, Wednesday, and Friday. * Do the Cardio Workout three times a week, on the days in between your Weight Workouts. So you might do your cardio sessions on Tuesday, Thursday, and Saturday.