Sherwood RX-4508 vs Onkyo TX-NR737

Onkyo TX-NR737

Onkyo TX-NR737 review

Mar 19, 2020

The Onkyo TX-NR737 AV receiver is a massive 7-channel device that stands out from many other mid-level products due to its ability to stream content directly from and to mobile devices. See price Ar...

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Rating 5 5

Common

Product

Sherwood RX-4508
Onkyo TX-NR737

Model

RX-4508
TX-NR737

Brand

Sherwood
Onkyo

Rating

4.0 of 5
0

Reviews

384
0

Amplifier

Total output power

200 W
780 W

Output power per channel

100 W
110 W

Output impedance per channel

8 Ohm
4 Ohm

Frequency response

40 Hz-20 kHz
20 Hz-20 kHz

Total harmonic distortion

0,01
0.08 %

Number of channels

2
7

Signal-to-noise ratio

93 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

up to 4K

Video conversion/scaling

3D pass-through

Upscaling via HDMI

Connector type

AV inputs

has not
7

Optical digital inputs

2
1

Coaxial digital inputs

1
2

HDMI inputs

has not
7

HDMI outputs

has not
2

Optical digital outputs

has not
has not

Coaxial digital outputs

has not
has not

Subwoofer outputs

has not
2

USB

has not
1

Phones

1
1

Media content source

Bluetooth

Network

USB-host

Radio

Tuner type

digital
digital

Tuner bands

AM/FM
AM/FM

Preset station

30
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

24bit / 192kHz
24bit / 192kHz

Surround sound effects

has not
Theater-Dimensional Virtual Surround

Surround system class

2.0 channel
7.2 channel

Digital content protection

has not
HDCP 2.2

Clock

Built-in clock

Sleep timer

Power device

Operational power consumption

230 W
690 W

Standby power consumption

0.3 W
0.15 W

User manual

Manual

Dimensions

Dimensions

14.8 x 17.1 x 5.5 inches
23 x 9 x 19 inches

Weight

16.31 pounds
27 pounds
Sherwood RX-4508
Onkyo TX-NR737
Sherwood RX-4508
Onkyo TX-NR737

AV receivers HelpToChoose comparison rating

  • better
  • worse
  • 14.6
  • 13.3
  • 14.6Sherwood RX-4508
  • 13.3Onkyo TX-NR737

Sherwood RX-4508 is better receiver in this comparison. Check Sherwood RX-4508 price