Infinity Reference 475a for sale. 4 channel amp, very little use. Was bought new and used for a month. This amp goes for R2500 new IF you can find one. Real quality amp and very powerful. Really clear if your'e looking to power mids and if you bridge the channels it's more than powerful enough to play a sub. All the specs are the RMS values not MAX values as soo many brands here specify to create sales. Here are all the specs:
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