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<blockquote data-quote="zako" data-source="post: 7762056" data-attributes="member: 629735">I would not use any of MB Quart or Hifonics amplifiers in an SQ install where every effort is taken to produce consistent imaging and frequency response. If you&#039;re upgrading from Sony Xplod, chances are good that this is not the kind of build SQ you have in mind right now. My beef with the current maxxsonics mono amplifiers is that they throw away the signal on one channel, say right, and you have to split the left channel signal with a Y splitter. They don&#039;t add left and right signal. (check the manual) Why? Because someone at maxxonics decided to save a few pennies on a resistor circuit in pre-amp section. Some people argue that this should not matter because all bass is recorded in mono, but how do they know? I have lots of old recordings, a lot of foreign language, some live concerts from the 80s, etc. How can I be sure that all 100% of them were recorded with bass in mono?However, if the goal is to buy an amplifier that &quot;hits hard&quot; with the least amount of money, I think they should be good for that application.</blockquote>

[QUOTE="zako, post: 7762056, member: 629735"] I would not use any of MB Quart or Hifonics amplifiers in an SQ install where every effort is taken to produce consistent imaging and frequency response. If you're upgrading from Sony Xplod, chances are good that this is not the kind of build SQ you have in mind right now. My beef with the current maxxsonics mono amplifiers is that they throw away the signal on one channel, say right, and you have to split the left channel signal with a Y splitter. They don't add left and right signal. (check the manual) Why? Because someone at maxxonics decided to save a few pennies on a resistor circuit in pre-amp section. Some people argue that this should not matter because all bass is recorded in mono, but how do they know? I have lots of old recordings, a lot of foreign language, some live concerts from the 80s, etc. How can I be sure that all 100% of them were recorded with bass in mono? However, if the goal is to buy an amplifier that "hits hard" with the least amount of money, I think they should be good for that application. [/QUOTE]

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