inputs.text: good quality - wire top quality insulation around twisted pair clear part shown really adds bulk wires industry seems disagree whether actually makes difference terms quality know 14 ga wires end feeling like 12 8 gauge installing however pretty flexible worksi mounted amp seat 2013 impreza ran preamps hu back amp ran postamp speaker wire 4 channels back stock speaker wires behind hu via transmission tunnel 25 ft enough however didnt enough run sub trunk plan accordingly