Onkyo TX-8140 vs Harman Kardon HK 3700

Onkyo TX-8140

Onkyo TX-8140 review

Dec 06, 2018

After spending hours looking at different receivers I settled for this one. As my Onkyo TX-8140 review, I think this device can do everything a modern user needs. This is a good one if you are lookin...

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Harman Kardon HK 3700

Harman Kardon HK 3700 review

Nov 27, 2018

Looking for a receiver that will suit your needs perfectly have a look at Harman Kardon HK 3700 review, as it has all the necessary information about the pros and cons of this unit. Good looking, pow...

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Common

Product

Onkyo TX-8140
Harman Kardon HK 3700

Model

TX-8140
HK 3700

Brand

Onkyo
Harman Kardon

Rating

4.3 of 5
3.9 of 5

Reviews

100
48

Amplifier

Total output power

160 W
190 W

Output power per channel

80 W
85 W

Output impedance per channel

8 Ohm
8 Ohm

Frequency response

20 Hz-20 kHz
20 Hz-20 kHz

Total harmonic distortion

0.08 %
0.07 %

Number of channels

2
2

Signal-to-noise ratio

92 dB
100 dB

Functions

Digital player

Internet radio

Network audio player

Audio formats

AAC

AIFF

Apple lossless

FLAC

MP3

WAV

WMA

Built-in decoders

DTS:X

Dolby Atmos

Dolby digital plus

Dolby surround

Dolby true HD

Built-in display

Type

fluorescent
fluorescent

Colour

black
black

Connectivity interfaces

Bluetooth

Wi-Fi

IEEE 802.3

IEEE 802.3u

Signal processing

HDMI pass-through

Video conversion/scaling

3D pass-through

Upscaling via HDMI

Connector type

AV inputs

6

Optical digital inputs

4
2

Coaxial digital inputs

4
1

HDMI inputs

has not
has not

HDMI outputs

has not
has not

Optical digital outputs

has not
has not

Coaxial digital outputs

has not
has not

Subwoofer outputs

1
1

USB

1
1

Phones

1
1

Media content source

Bluetooth

Network

USB-host

Radio

Tuner type

digital
digital

Tuner bands

AM/FM
AM/FM

Preset station

40
40

Additional features

A-B speaker switch

Three-zone capability

Advanced sound retriever (ASR) technology

Apple air-play support

Audio return channel (ARC)

Bi-amplifying

Auto power off

Pure direct mode

Dual-zone capability

Smartphone remote control

Sound features

Audio D/A converter

32bit / 384kHz
24bit / 192kHz

Surround sound effects

has not
has not

Surround system class

2.0 channel
2.0 channel

Digital content protection

Clock

Built-in clock

Sleep timer

Power device

Operational power consumption

290 W
310 W

Standby power consumption

0.15 W
0.5 W

User manual

Manual

Dimensions

Dimensions

22.5 x 16.5 x 10.3 inches
21.1 x 15.4 x 8.5 inches

Weight

18.5 pounds
13.23 pounds
Onkyo TX-8140
Harman Kardon HK 3700
Onkyo TX-8140
Harman Kardon HK 3700

AV receivers HelpToChoose comparison rating

  • better
  • worse
  • 17.3
  • 10.7
  • 17.3Onkyo TX-8140
  • 10.7Harman Kardon HK 3700

Onkyo TX-8140 is better receiver in this comparison. Check Onkyo TX-8140 price