Calyx 500 Monoblock Amplifiers, pair. 500WPC (at 4 ohms) Class D Ice Module design in like new condition. Very little use. Wired for 115/1/60 power, requires trip to factory for voltage change. The blue LED power-on indicator on one of the monos goes off intermittently, hence the down grade from 10 to 8. Price includes shipping US48/Canada and PayPal fee. No trades and serious buyers only please. If you have any questions, please cal 206-878-3833. If you post a question on Audiogon, I will not respond unless you include your email address in the question, so I can respond to you directly.Thanks for your interest.