>Ok.... Not true in the audis, but I understand...... The battery is still a >cap, and that will give a more stable source of voltage.... As someone who in a past life did that Monster stereo thing and relied on my batts (My Z-car had 2)to give me a stable voltage reference and as Scott stated they are a Cap. Later! Eric Fletcher '87 5KCSTQIA2RSR2B STEADIRIC@aol.com