ComTech DriveCore™ is ideal for installations that require premium sound quality, multi-channel configurations, compact dimensions, and quite often zero ambient fan noise. Typical applications include boardrooms, video and teleconferencing, VIP suites in stadiums and arenas, and upscale restaurants and retail outlets to name just a few. Representing next generation technology available today, the ComTech DriveCore™ proves without a doubt that big things really do come in small packages. Manufacturer: Harman International Industries, Inc. Manufacturer Part Number: CT4150. Brand Name: Crown. Product Line: ComTech. Product Model: CT 4150. Product Name: ComTech CT 4150 Amplifier. Product Type: Amplifier. [Technical Information] Signal to Noise Ratio (SNR): 110 dB. Impedance: 8 Ohm. [Audio] Audio Channels: 4. RMS Output Power: 500 W. [Power Description] Input Voltage: 110 V AC. 220 V AC. Frequency: 60 Hz. Operating Power Consumption: 225 W. [Physical Characteristics] Height: 1.8". Width: 19". Depth: 14.3". Weight (Approximate): 10 lb. [Miscellaneous] Country of Origin: United States. [Warranty] Limited Warranty: 3 Year.