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<blockquote data-quote="keep_hope_alive" data-source="post: 7350061" data-attributes="member: 576029">That head unit has 4 channel RCA outputs.&nbsp; one pair are for the front speaker amp and will be controlled by the HU fader, balance, and EQ.&nbsp; The other pair are for rear/subwoofer and will be controlled by the sub level on the HU.&nbsp;&nbsp; You want to have two pairs of RCA cables running from the head unit to your amp locations.&nbsp; The HU also has a HPF on the speaker and front RCA outputs.&nbsp; The amplifier should also have crossover settings.&nbsp; you want a High Pass Filter (HPF) set around 80Hz, or where your subwoofer LPF is.&nbsp; I can&#039;t see for sure what crossover settings are available on the Audiobahn.for setting your gain, I typically recommend using a DMM or Oscilloscope so you don&#039;t have to rely on your ears.&nbsp; If you have the Autosound 2000 CD #102 you can use some of the tracks to tune by ear (once you can identify what clipping sounds like).&nbsp; let us know if you need help with your gain setting.Amp specs:2 x 75W @ 4 ohms2 x 150W @ 2 ohms2 x 225W @ 1 ohm1 x 150W @ 4 ohms bridged1 x 300W @ 2 ohms bridgedTHD: 0.05%S/N Ratio: &amp;gt;100dB (±1dB)Freq. Response: 10Hz 20kHzFuse: 20A</blockquote>

[QUOTE="keep_hope_alive, post: 7350061, member: 576029"] That head unit has 4 channel RCA outputs. one pair are for the front speaker amp and will be controlled by the HU fader, balance, and EQ. The other pair are for rear/subwoofer and will be controlled by the sub level on the HU. You want to have two pairs of RCA cables running from the head unit to your amp locations. The HU also has a HPF on the speaker and front RCA outputs. The amplifier should also have crossover settings. you want a High Pass Filter (HPF) set around 80Hz, or where your subwoofer LPF is. I can't see for sure what crossover settings are available on the Audiobahn. for setting your gain, I typically recommend using a DMM or Oscilloscope so you don't have to rely on your ears. If you have the Autosound 2000 CD #102 you can use some of the tracks to tune by ear (once you can identify what clipping sounds like). let us know if you need help with your gain setting. Amp specs: 2 x 75W @ 4 ohms 2 x 150W @ 2 ohms 2 x 225W @ 1 ohm 1 x 150W @ 4 ohms bridged 1 x 300W @ 2 ohms bridged THD: 0.05% S/N Ratio: >100dB (±1dB) Freq. Response: 10Hz 20kHz Fuse: 20A [/QUOTE]

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