Onkyo TX-NR656 Review and Specs

Onkyo TX-NR656 review

Onkyo TX-NR656

Features

The Onkyo TX-NR656 supports revolutionary DTS: X and Dolby Atmos immersive technologies, operating in terms of “audio objects” rather than separate audio channels - the receiver optimally adjusts the sound. The Onkyo TX-NR656 amplification system is built on discrete circuits that allow the speakers to reproduce the most powerful and accurate sound. The high-quality AK4458 DAC, with 384 kHz / 32-bit and dual 32-bit DSP parameters, unleashes the full potential of any audio format through low distortion filtering technologies to ensure a clear sound. TX-NR656 upscales the lowest resolution of 1080p to 4K.

Design and build

Onkyo TX-NR656 has an elegant appearance. Buttons and knobs look minimalistic. In the center of the front panel is a black display with a green indication. Below the display are buttons for selecting signal sources. The connectors on the back are also made with high quality, all connections are very tight.

Onkyo TX-NR656

Connectivity

Based on Onkyo TX-NR656, users can create a simple multi-room system with independent signal transmission to another room. The audio signal is removed both from the linear (a separate DAC is used for it) and from the acoustic output.

Setup

AccuEQ Acoustic Calibration Technology, using the built-in microphone, detects and corrects speaker distance, volume level, and frequency response, creating a convincing sound environment.

Onkyo TX-NR656 pros and cons

Pros

  • The GUI is very neat without unnecessary decorations
  • The amplification has a noise reduction for clear and crisp sound
  • TX-NR656 has a very thoughtful, competent layout. There are no extra wires, the wiring of the board is done very carefully, the transformer is securely screwed to the base

Cons

  • Audio and video have not good synchronization. Sometimes the little delays appear
  • The Bluetooth connection is not stable. A pairing mode it does not show up devices in a scan from any of my devices
  • The device cannot be adjusted properly without a visual control

Common features

Product

Onkyo TX-NR656

Model

TX-NR656

Brand

Onkyo

Rating

3.8 of 5

Reviews

264

Amplifier

Total output power, W

690 W

Output power per channel, W

100 W, 170 W

Output impedance, Ohm

6 Ohm, 8 Ohm

Frequency response

20 Hz-20 kHz

Total harmonic distortion, THD

0.08 %

Channels

7

Signal-to-noise ratio

106 dB

Connectivity interfaces

Bluetooth

Wi-Fi

Ethernet (RJ45)

USB

Connector type

HDMI inputs

8

HDMI outputs

2

AV inputs

2

Optical digital inputs

2

Optical digital outputs

has not

Coaxial digital inputs

1

Coaxial digital outputs

has not

Subwoofer outputs

2

USB

1

Phones

1

Sound features

Digital to analog converter (DAC)

32bit / 384kHz

Digital content protection

HDCP 2.2

Additional features

Speaker A/B switching

Dual-zone capability

Three-zone capability

Bi-amping

Pure direct

Advanced sound retriever (ASR)

Audio return channel (ARC)

Smartphone remote control

Apple Air-play support

Signal processing

HDMI signal pass-through

up to 4K

Video conversion/scaling

3D signal pass-through

Audio formats

MP3

WMA

AAC

AIFF

WAV

FLAC

Built-in decoders

DTS:X

Dolby Atmos

Dolby TrueHD

Built-in display

Type

fluorescent

Radio

Tuner bands

AM/FM

Number of preset station

40

Clock

Built-in clock

Sleep timer

Power device

Operational power consumption, W

580 W

Standby consumption, W

0.1 W

User manual

Manual

Dimensions

Size W x H x D

22.5 x 18 x 11 inches

Weight

22 pounds
Onkyo TX-NR656
Onkyo TX-NR656

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