VINTAGE HARMAN KARDON CONTROL AMPLIFIER AMPLIFIER A 401 / HIFI AMPLIFIER | eBay
Harman Kardon HK6800 Amplifier | Defective | For Parts or Repair
HK 3490 | Stereo Receiver (120 watts x 2)
Amazon.com: PROZOR 192kHz/24bit Stereo Audio Amplifier,Hi-Fi Digital Power Amplifier with Bluetooth Receiver,DAC Optical Coaxial to Analog Audio Converter with IR Remote Control for Passive Speakers 100W + 100W : Electronics