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Harman Kardon

An electronic amplifier is a device for increasing the current, voltage or power of a signal. It does this by taking power from a power supply and controlling the output to match the input signal shape but with a larger amplitude. more...

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Harman Kardon A401 Stereophonic Control Amplifier Free shipping Usa/CanadaHarman Kardon A401 Stereophonic Control Amplifier Free shipping Usa/Canada $400.00 Harman/Kardon 75+Twin Power amp board's and het sinks untestedHarman/Kardon 75+Twin Power amp board's and het sinks untested $75.99
Harman/ Kardon Hk620 Amplifier TestedHarman/ Kardon Hk620 Amplifier Tested $101.50 Harman Kardon Citation 7.1 Multi-channel Power Amplifier (Low use time)Harman Kardon Citation 7.1 Multi-channel Power Amplifier (Low use time) $1,250.00
Harman Kardon Pa4000 Multichannel Power AmplifierHarman Kardon Pa4000 Multichannel Power Amplifier $435.00 Vintage Harman Kardon Audiophile Signature Series 2.1 -5 Channel Power AmplifierVintage Harman Kardon Audiophile Signature Series 2.1 -5 Channel Power Amplifier $283.49
New ListingHarman Kardon Dci2X300N-U-Usfx 2 Channel 300W 4Ohm Power AmplifierNew ListingHarman Kardon Dci2X300N-U-Usfx 2 Channel 300W 4Ohm Power Amplifier $2,150.00 New ListingHarman Kardon Crown 3500 Amplifier 2000 W Rms 2 Channel Dark Gray Nxli35000UsNew ListingHarman Kardon Crown 3500 Amplifier 2000 W Rms 2 Channel Dark Gray Nxli35000Us $909.00
Harman Kardon Pa2000 Bridgeable Stereo Or Mono AmplifierHarman Kardon Pa2000 Bridgeable Stereo Or Mono Amplifier $250.00 Harman Kardon Hk6500 Integrated AmplifierHarman Kardon Hk6500 Integrated Amplifier $375.00
Harman Kardon Me-40 Amplifier-workingHarman Kardon Me-40 Amplifier-working $275.00 Harman Kardon Avr 230 6.1 Channel 300 Watt Receiver - Tested And WorkingHarman Kardon Avr 230 6.1 Channel 300 Watt Receiver - Tested And Working $99.99
Harman Kardon Hk6500 | Intergrated Amplifier (Brand New!)Harman Kardon Hk6500 | Intergrated Amplifier (Brand New!) $1,999.99 New ListingHarman Kardon Crown Cdi 1000 2 Channel Power AmplifierNew ListingHarman Kardon Crown Cdi 1000 2 Channel Power Amplifier $1,519.00
Harman Kardon Avr 430 7.1-Channel Audio/Video Receiver – Used, WorkingHarman Kardon Avr 430 7.1-Channel Audio/Video Receiver – Used, Working $60.36 Rare Harman kardon hk 725 Ultrawideband Stereo Preamplifier, TestedRare Harman kardon hk 725 Ultrawideband Stereo Preamplifier, Tested $299.99
Rare - New in Open Box - Harman Kardon Pa2000 Bridgeable Multichannel AmplifierRare - New in Open Box - Harman Kardon Pa2000 Bridgeable Multichannel Amplifier $299.99 Harman Kardon Pa 4000 Power Amplifier As IsHarman Kardon Pa 4000 Power Amplifier As Is $129.00
Harman/Kardon Hk870 Power AmplifierHarman/Kardon Hk870 Power Amplifier $780.41 Vintage Harman Kardon Hk6200 Integrated Stereo AmplifierVintage Harman Kardon Hk6200 Integrated Stereo Amplifier $85.00
Harman Kardon Pa5800 5 Channel Power Amplifier Amp - Not Fully Tested!Harman Kardon Pa5800 5 Channel Power Amplifier Amp - Not Fully Tested! $120.00 Harmon Kardon Hk 3385 2 Channel 160 Watt Receiver Powers On, No Vfd, As-IsHarmon Kardon Hk 3385 2 Channel 160 Watt Receiver Powers On, No Vfd, As-Is $51.99
Vtg Harmon Kardon Hk6150 Amplifier. Nice Condition. Tested WorksVtg Harmon Kardon Hk6150 Amplifier. Nice Condition. Tested Works $75.00 Harman/Kardon Hk6350R Stereo Intergrated Amplifier No Remote One Channel QuietHarman/Kardon Hk6350R Stereo Intergrated Amplifier No Remote One Channel Quiet $61.50
Rare Harman/Kardon Power Amp Ca140Q 4Ch High-Fidelity Amplifier Surround SoundRare Harman/Kardon Power Amp Ca140Q 4Ch High-Fidelity Amplifier Surround Sound $266.02 Harman Kardon Avr 230 6.1 Channel 300 Watt Receiver, Tested workingHarman Kardon Avr 230 6.1 Channel 300 Watt Receiver, Tested working $129.99
Harman / Kardon - Hk3470 - Stereo Receiver AmplifierHarman / Kardon - Hk3470 - Stereo Receiver Amplifier $118.00 Harman Kardon Hk-690 Stereo Integrated AmplifierHarman Kardon Hk-690 Stereo Integrated Amplifier $349.00
Harman Kardon Hk 3700 170W 2-Channel Stereo Amplifier NewHarman Kardon Hk 3700 170W 2-Channel Stereo Amplifier New $795.95 Harman Kardon a402 Integrated Amplifier Read full descriptionHarman Kardon a402 Integrated Amplifier Read full description $375.00
Harman/ Kardon Hk620 AmplifierHarman/ Kardon Hk620 Amplifier $119.99 Harman Kardon Hk3250 Stereo Am/Fm Receiver Amplifier Working 40 WpcHarman Kardon Hk3250 Stereo Am/Fm Receiver Amplifier Working 40 Wpc $99.99
Harman Kardon Pa2000 Bridgeable Multichannel Amplifier - in Orig box Pa 2000Harman Kardon Pa2000 Bridgeable Multichannel Amplifier - in Orig box Pa 2000 $150.00 Harman Kardon Pa2000 Amplifier Hifi Audio Stereo MonoHarman Kardon Pa2000 Amplifier Hifi Audio Stereo Mono $199.99
Harman Kardon Pa 4000 Power Amplifier Power Tested Only - As-Is, For Parts, ReadHarman Kardon Pa 4000 Power Amplifier Power Tested Only - As-Is, For Parts, Read $149.95 Harmon / Kardon A-401 Stereophonic Control Amplifier - Fair ConditionHarmon / Kardon A-401 Stereophonic Control Amplifier - Fair Condition $270.74
Harman Kardon Twelve 12 vintage stereo power amplifier.Harman Kardon Twelve 12 vintage stereo power amplifier. $500.00 Harman Kardon Avr 230 5 Channel 300 Watt Av Stereo Receiver No Remote -WorkingHarman Kardon Avr 230 5 Channel 300 Watt Av Stereo Receiver No Remote -Working $89.99
Crown Xli 3500 1350W 2-channel Power AmplifierCrown Xli 3500 1350W 2-channel Power Amplifier $939.00 Harman Kardon Pa 5800 5 Channel Power Amplifier Works Great!Harman Kardon Pa 5800 5 Channel Power Amplifier Works Great! $275.00
Harman Kardon Avr300 HiFi Stereo 6.1 Channel Receiver Powers onHarman Kardon Avr300 HiFi Stereo 6.1 Channel Receiver Powers on $34.20 Harman Kardon Hk 870 Power Amplifier Vintage Confirmed Operation Free ShipHarman Kardon Hk 870 Power Amplifier Vintage Confirmed Operation Free Ship $559.00
Harman Kardon Hk505 Stereo AmplifierHarman Kardon Hk505 Stereo Amplifier $425.00 Harman Kardon A401 Stereophonic Control Amplifier 1970sHarman Kardon A401 Stereophonic Control Amplifier 1970s $300.00
Harman Kardon Hk 1400 Line AmplifierHarman Kardon Hk 1400 Line Amplifier $150.00 Harmon/Kardon Hk 670 Twin Powered Dc AmplifierHarmon/Kardon Hk 670 Twin Powered Dc Amplifier $400.00
Harmon / Kardon A-401 Stereophonic Control Amplifier, Tests Good !Harmon / Kardon A-401 Stereophonic Control Amplifier, Tests Good ! $325.00 Harman/Kardon Hk 770 Twin Toroidal Dc Power Amplifier Tested Working Nice ShapeHarman/Kardon Hk 770 Twin Toroidal Dc Power Amplifier Tested Working Nice Shape $299.99
New ListingHarman Kardon Xls 1002 Two-Channel 350W at 4ohm Power Amplifier Xls1002New ListingHarman Kardon Xls 1002 Two-Channel 350W at 4ohm Power Amplifier Xls1002 $429.84 Harman Kardon Vtg A-300 AmpHarman Kardon Vtg A-300 Amp $850.00
Harmon Kardon Hk 503 Dc Coupled Integrated AmpHarmon Kardon Hk 503 Dc Coupled Integrated Amp $350.00 Vtg Harman Kardon Hk6200 Integrated Stereo Amplifier Black Harman/KardonVtg Harman Kardon Hk6200 Integrated Stereo Amplifier Black Harman/Kardon $95.00
Harman Kardon Hk870 Stereo Power Amplifier Silver FaceHarman Kardon Hk870 Stereo Power Amplifier Silver Face $399.99
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Prices current as of last update, 04/21/25 7:50pm.
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