This receiver is on sale from $548 to $399.82. I had to use the coupon LS11AUD25 to receive the $150 discount. Shipping is another $29.99 for this receiver, making the total: $429.81 I dont' know when this coupon is going to expire, it might be a black friday deal.
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I just tested that code it seems to work on all the Denon receivers...thanks