CI Audio D-500 MKII Class D Monoblock Amplifier (Pair)

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CI Audio D-500 MKII Class D Monoblock Amplifier (Pair)

by CI Audio

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Product Code:
CI Audio
D-500 MKII
D-500 MKII Class D Monoblock Amplifier (Pair)

Have a question about this product? Please email our audio advisor or call 1-877-929-8729 with any questions or concerns regarding your equipment purchase.

Powerful and energy efficient, the D•500 MKII produces over 500 watts into 8 ohms and will drive your loudspeakers with authority, musicality and control.

Chassis Design

The monaural design is housed in a beautiful new machined aluminum chassis with heavy steel frame plate to support the massive power transformer. Non-magnetic stainless steel hardware and highest quality parts are used throughout. Adjustable 5-way binding posts are used for loudspeaker connection and can be configured for horizontal or vertical cable entry.

Power Management

Our SmoothStart™ and XDC•2 circuits control AC power, while our DC board supplies the various output voltages required by the audio circuit. Signal input is handled by panel-mounted jacks for both single-ended RCA and balanced XLR connections. Turn-on is accomplished by the front-panel mute/play button, or remote 12v trigger (when used with PLC•1 MKII or other makes with this function)

Audio Circuit

The audio circuit consists of an advanced full bridge UcD design for life-like music reproduction and offers unsurpassed performance, reliability, and efficiency. Due to the large heat-sink area and high efficiency, D•500 remains cool to the touch even at continuous high output levels. Protection from over-voltage and short-circuit conditions are provided.

5 Year Warranty

Enjoy peace of mind with our comprehensive 5 year warranty. Full service information is included in the product manual.

8.5″w x 4.0″h x 13.5″d

28 lbs (each)

Power Output: 500 watts @ 8 ohms/800 watts @ 4 ohms
Bandwidth: 50kHz
Frequency Response: 10Hz – 20kHz, +0dB/-0.5dB
Damping Factor: >1000
Input Impedance: 100k ohms
Gain: 38db or 32db
“…the D500 MKIIs could not only deliver a large soundfield, but they could deliver deep bass with power and control. …these amplifiers kept a lock on the pace, offering up wall shaking beats with no shrinkage of soundstage in either dimension. Making the power hungry Magnepan 1.7’s part of the equation was equally splendid. The D500 MKIIs took control of the Magnepans as well as some of the world’s best amplifiers have – I can’t think of an amplifier I would suggest more highly for someone looking to build a high performance system around the 1.7’s (or the 3.7’s for that matter) at a reasonable cost. The Channel Islands D500 MKII amplifiers sounded great and made no missteps while in our care. We will be adding them to our reference fleet of amplifiers, so you will be hearing more about them in the months to come. I feel compelled to give these amplifiers one of our Exceptional Value Awards for 2011 as well – they represent tremendous performance and build quality. A well thought out product in every way.” [Read More]
– Jeff Dorgay, Tone Audio

“The Channel Islands Audio D-500 MKII amplifiers have made a huge difference in my mixes. The detail and clarity that they bring out, now allows me to hear problems and mix issues. I am extremely happy with how my mixes translate now like never before.” [Read More]
– Ross Hogarth, Double Grammy-winning producer/engineer/mixer at Hoax Productions

Click to read the D-500 MKII Manual.

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