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<blockquote data-quote="phish368" data-source="post: 6337572" data-attributes="member: 570654">Are you sure? I only ask because this is what the manual states:Input Voltage Range: A wide range of signalinput voltages can be accommodated by each ofthe 300/4&#039;s input sections (200mV – 8V).This wide range is split up into two sub-ranges, accessible viaswitches located in each input section of theamplifier.The “Low” position on each “Input Voltage”switch selects an input sensitivity range between200mV and 2V.This means that the “Input Sens.”rotary control will operate within that voltagewindow. If you are using an aftermarket source unit,with conventional preamp-level outputs, this is mostlikely the position that you will use.The “High” position on each “Input Voltage”switch selects an input sensitivity range between800mV and 8V.This is useful for certain high-outputpreamp level signals as well as speaker-level outputfrom source units and small amplifiers.To usespeaker-level sources, splice the speaker outputwires of the source unit or small amplifier onto apair of RCA plugs for each input pair.</blockquote>

[QUOTE="phish368, post: 6337572, member: 570654"] Are you sure? I only ask because this is what the manual states: Input Voltage Range: A wide range of signal input voltages can be accommodated by each of the 300/4's input sections (200mV – 8V). This wide range is split up into two sub-ranges, accessible via switches located in each input section of the amplifier. The “Low” position on each “Input Voltage” switch selects an input sensitivity range between 200mV and 2V.This means that the “Input Sens.” rotary control will operate within that voltage window. If you are using an aftermarket source unit, with conventional preamp-level outputs, this is most likely the position that you will use. The “High” position on each “Input Voltage” switch selects an input sensitivity range between 800mV and 8V.This is useful for certain high-output preamp level signals as well as speaker-level output from source units and small amplifiers.To use speaker-level sources, splice the speaker output wires of the source unit or small amplifier onto a pair of RCA plugs for each input pair. [/QUOTE]

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