Harman/Kardon

HK 3700

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Harman Kardon HK 3700 stereo receiver

$299.95299.95 each $349.95 Save $50
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High-performance 170 watt stereo receiver with analog & digital capacity and networked connectivity.

Harman Kardon’s reputation for excellence in sound quality and distortion-free power just moved forward to embrace the best of both digital and analog worlds. Discover 170 watts of power in a stereo receiver dedicated to complete connectivity for all your devices. The high-performance, Harman Kardon HK 3700 stereo receiver delivers everything you need to drive any home audio system. With analog and digital connectivity, the HK 3700 delivers plenty of power and offers a built-in, 192 kHz/24-bit DAC. Connect to your home network via Ethernet, playing all your local content over DLNA 1.5 or connect a storage device or any Apple iOS device via USB. And, with built-in AM/FM radio and phono input, the HK 3700 eloquently bridges classic and modern audio. It is a truly powerful centerpiece for your home audio system – a happy collision of old school sound requirements to new school needs for complete connectivity. Enjoy your new entertainment headquarters – to the envy of all who see and hear it.

Item# HK3700AM

General Specifications

Power Consumption <0.5W (standby)

Audio Specifications

Power per channel 85 watts per channel, two channels driven @ 6/8 ohms, 20Hz – 20kHz, <0.07% THD
Input Sensitivity/Impedance 250mV/27k ohms
Signal-to-Noise Ratio (IHF-A) 100dB
Frequency Response (@ 1W) 10Hz – 130kHz (+0dB/–3dB)

System Specifications

Power Requirement 120V AC/ 60Hz (USA); 220V-240V AC 50Hz/60Hz (EU)

Dimensions

Height (in) 4-3/4
Height (mm) 121
Width (in) 17-5/16
Width (mm) 440
Depth (in) 11-13/16
Depth (mm) 300
Click here for a complete list of all specs for this product

Spec Sheet (EN)

English 969 KB
  • 1 Harman Kardon HK 3700 System
  • 1 FM radio antenna
  • 1 6' (1.8m) region-specific IEC power cord
  • 2 AAA batteries
  • 1 AM antenna loop
  • 1 programmable remote control

2 Year Warranty

Products purchased online or from an authorized local retailer and under warranty may qualify for an exchange with a valid receipt.

Purchases made from an unauthorized dealer will not be eligible for exchange.

Harman Kardon does not service warranty claims for 3rd party products sold on the site.
You will need to need to reach out the manufacturer directly.

Call us: 1.800.422.8027

  • Sales and pre-sale assistance
  • Technical help
  • Parts and accessories
HK 3700 is rated 4.3 out of 5 by 22.
Rated 5 out of 5 by from Fantastic Amplifier, great value for money This is a superb amplifier, goes extremely load with no distortion paired with my kef Q350 bookshelf speakers. I like the USB port from which I'm able to play music from my apple device and the built in DAC is pretty good. My only complaint is that the DAC does not seem to support gapless playback. Overall great value for money with features found only in higher priced amps.
Date published: 2018-10-29
Rated 5 out of 5 by from very good fm reciver I was looking for a stereo only receiver for my bedroom. I am very pleased with the over all performance of the 3700. I'm in a fringe area for most FM stations and use a outside 4 element beam. The reception beats my larger multi channel receiver hands down with dead quiet signals. The sound from my Polk bookshelf speakers and subwoofer are very pleasing. I bought it while it was on sale, so it was a really good buy
Date published: 2018-07-11
Rated 5 out of 5 by from Love it!! Purchased this for my Turntable. Sounds Fantastic!! Just wanted nice stereo sound and this most definitely does the trick! Plenty of Power for a small to medium sized room. Built in Phono amp works perfectly!
Date published: 2018-04-07
Rated 5 out of 5 by from HK 3700 This is the third HK3700 and I'm very happy with the clarity and fidelity of the sound
Date published: 2017-09-07
Rated 5 out of 5 by from Perfect I am happy after 2 weeks to use. Sounds are great.
Date published: 2017-07-21
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Does this receiver have a direct digital input/output jack, such as a Toslink?

Asked by: Dave59
Unfortunately the HK 3700 does not have optical nor coaxial inputs. It only uses analog cables for connection.
Answered by: Mario at Customer Service
Date published: 2018-11-20

I bought this product yesterday,, but im Having difficulties with the adjustment of bass/ treble. The remote controller is not responding to tone control.. can you please help to solve this problem??

Asked by: Sifu444
Please try to press on the Stereo button first on the remote control then press on the tone control. Adjustments would display on the front panel of the receiver. If you need further assistance, please submit a case request at https://www.harmankardon.com/support-contact.html and the Customer Service Team will be more than happy to assist you.
Answered by: Mario at Customer Service
Date published: 2018-11-06

I purchased a AVR 151OS not long ago. Can you please tell me why the remote control won't turn it on or off? I have to shut the receiver on and off manually. It's a real hassle. Thanks

Asked by: Brownizelady
Please make sure you're pressing on the AVR button on the remote control and press the OFF button just to make sure you're giving the AVR the commands. If you need further assistance, please submit a case request at https://www.harmankardon.com/support-contact.html and the Customer Service Team will be more than happy to assist you.
Answered by: Mario at Customer Service
Date published: 2018-11-03

Hello is the HK 3700 no longer supported by Harman Kardon remote app?

Asked by: merchantmariner
It should still be supported.We would like to work with you directly to help you with your issue. Please submit a case request at https://www.harmankardon.com/support-contact.html and the Customer Service Team will be more than happy to assist you.
Answered by: Mario at Customer Service
Date published: 2018-11-02

The tone (bass/treble) controls seem very limited in range. My old 385i (recently retired due to failed capacitors) had much more adjustability with the analog controls and even had the Loudness button. Why are the new receivers limited?

Asked by: GD500
Thank you for your review, our sincerest apology for the inconvenience. Your feedback will be communicated to the proper department to improve our current and future product line. We would like to work with you directly, please submit a case request at www.harmankardon.com/support-contact.html and the Customer Service team will be more than happy to further assist you.
Answered by: Jemson G
Date published: 2018-10-25

Does a hk3700 have ballance control? If it does how do you adjust the ballance. Thanks Paul

Asked by: Paulvan
Press the Tone Control button to access the bass and treble controls. Use the OK button to select an adjustment and use the Up/Down buttons to change the settings.
Answered by: Mario at Customer Service
Date published: 2018-09-09

The HK 3700 remote will not control the hk dvd 48. Funny thing is it does control an older HK receiver. Is there a way to program it for the dvd 48?

Asked by: papillon
The HK3700 is s stereo audio receiver (not audio/video). It was not expected that it would be used with a DVD player, which has different remote codes than a CD player. This is why it doesn't work. And yes, it does control an older receiver because the remote codes for all of our audio receivers are the same. Unfortunately, the remote control for our HK receivers are not programmable.
Answered by: Rhae C
Date published: 2018-08-14

I have all my music stored on an external hard drive, can this be plugged into the USB port to play the music files?

Asked by: noname
We would advise against plugging in external hard drives directly to the receiver. We would suggest plugging the External drive to your computer, and plug the audio out of the computer into the receiver for it to play different kinds of music.
Answered by: Mario at Customer Service
Date published: 2018-07-25
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