I was reading else where that the IN-5 has a THD < 2% where as IN-8 V2 has a THD < 1%. Does it translate into audible noise in comparison? Also, in one of the videos from Kali, where they are talking about why IN-5 has more power (160W vs IN-8V2 at 140W), he keeps saying that the IN-5 woofer has...