Onkyo TX-RZ50 vs Yamaha RX-A870

GENERAL	Onkyo TX-RZ50	Yamaha RX-A870
Brand	Onkyo	Yamaha
Series		Aventage
Model	TX-RZ50	RX-A870
Type	A/V Receiver	A/V Receiver
Country	Europe	Asia
Release Year	2021	2017
Predecessor	Onkyo TX-RZ840	Yamaha RX-A860
Successor		Yamaha RX-A880

AMPLIFIER	Onkyo TX-RZ50	Yamaha RX-A870
Channels	9.2	7.2
Power Output	120 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)	100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
Front Wide Channel Support
Amplifier Design	Linear Class A/B
Dynamic Audio Amplification
Non-Phase Shift Amplifier	Original 2-stage
VLSC (Vector Linear Shaping Circuitry)	Front L/R Channels
THX™ Certification	Select™ (previously known as Select2)
Continuous 6 Ω Rated
Certified 4 Ω Performance
Discrete Output Stage Circuitry
Independent Block Construction (Amp/Preprocessor)
Bi-amp Capability
BTL (Bridged Transless or Bridging)

AUDIO FEATURES	Onkyo TX-RZ50	Yamaha RX-A870
Digital Signal Processing (DSP) Engine	32-bit Digital Signal Processing Engines
Surround:AI™
DAC		Burr-Brown
DAC Specs	192 kHz/24 Bit	192 kHz/24 Bit
Maximum Channel Processing	11.2	7.1
Air Studios Monitor Certification
Dolby Atmos		up to 5.1.2
Dolby Atmos Height Virtualization
Dolby Atmos Music
Dolby TrueHD
Dolby Digital Plus
Dolby Surround Upmixer
Dolby Pro Logic
Dolby Digital EX
THX Listening Modes
DTS:X		up to 5.1.2
DTS Neural:X
DTS Virtual:X
DTS Neo		Neo:6
DTS-HD Master Audio
DTS-HD High Resolution Audio
DTS 96/24
DTS Express
DTS-ES		Discrete 6.1, Matrix 6.1
IMAX Enhanced
Auro 3D with Auro-Matic Upmixer
PCM	2-ch/Multi-ch Input	2-ch/Multi-ch Input
Network Audio Formats	FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, LPCM	MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
Music Playback via USB	FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC	MP3, WMA, AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
High Resolution Music Playback via USB and/or Network	up to 192 kHz	up to 192 kHz
High Resolution Audio Formats via USB	FLAC, WAV, Apple Lossless, DSD, AIFF, AAC	Apple Lossless, WAV, FLAC, AIFF, DSD
Gapless Playback
DSD via HDMI	2-ch/Multi-ch Input	2-ch/Multi-ch Input
DSD via USB	2-ch Input	2-ch Input
DSD to PCM Converter
USB DAC
Jitter Reduction	PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio
DTS Dialogue Control
Dialog Enhancement
Dialog Level Adjustment
Dialog normalization
Dialogue Lift		no presence speakers required
Tone Control	All Channels
Compressed Music Enhancer	Advanced Music Optimizer	including enhancer for Bluetooth®
High-resolution Music Enhancer
Adaptive DRC (Dynamic Range Control)
Initial Volume & Maximum Volume Setting
THX Processing Mode
Audyssey Dynamic EQ
Audyssey Dynamic Volume
Audyssey LFC
Audyssey Sub EQ HT
Audyssey DSX
Direct Mode
Pure Audio Mode
Straight Decoding Mode
Pure Direct Mode		with Video On mode
CINEMA DSP		3D
DSP Programs		17
SILENT CINEMA / Virtual CINEMA DSP		Virtual CINEMA FRONT
Virtual Speakers	T-D (Theater-Dimensional)	including surround back
Independent Subwoofer Outputs

CALIBRATION	Onkyo TX-RZ50	Yamaha RX-A870
Auto Speaker Calibration System with Mic.	Dirac Live™ and AccuEQ Room Corrections	YPAO sound optimization (R.S.C. with Multipoint measurement)
YPAO Volume
PEQ for SUB		Down to 15.6 Hz

VIDEO FEATURES	Onkyo TX-RZ50	Yamaha RX-A870
HDR10
HDR10+
Dynamic HDR
BT.2020 color space
Dolby Vision
HLG (Hybrid Log Gamma)
HDMI Version	2.1
HDBaseT Compatible
Enhanced Audio Return Channel (eARC)
HDCP Version	2.3	2.3
QMS (Quick Media Switching)
ALLM (Auto Low Latency Mode)
VRR (Variable Refresh Rate)
QFT (Quick Frame transport)
3-D Ready
Video Signal Passthrough	up to 8K/60p (RGB/YCbCr4:4:4)	up to 4K/60p 4:4:4
Video Signal Upscaling	1080p to 4K/8K and 4K to 8K	up to 4K 60p 4:4:4
Analog To HDMI Upconversion	Component**, Composite	Component**, Composite
Component Video Upscaling
Analog to Analog Video conversion
Component Video Maximum Resolution	480i/576i	480i/576i
Video Parameter Adjustments
isf Certified Calibration Control

CONNECTIVITY	Onkyo TX-RZ50	Yamaha RX-A870
Wi-Fi		with Wireless Direct
Bluetooth	SBC, AAC, aptX, aptX HD	SBC, AAC
Works with Amazon Alexa		on MusicCast (Voice control using your Alexa device like Echo or Echo Dot)
Google Assistant
Chromecast Built-In
Apple Siri
Works with SonoS
DTS Play-Fi	via Onkyo Music Control app
MHL Input
DLNA 1.5
MusicCast
AirPlay	AirPlay 2	AirPlay
Apple Product Connection	iPod, iPhone and iPad	iPod, iPhone and iPad
Remote App	Onkyo Controller and Music Control apps	(iPhone® / iPad® / Android™ phone / tablet)
InstaPrevue Input Source Prevue

TERMINALS	Onkyo TX-RZ50	Yamaha RX-A870
HDMI Inputs	7 (1 front)	8 (1 front)
HDMI Outputs	2 (1 Main, 1 Sub/Zone2)	2
8K Inputs	7
USB Input	1 (Rear)	USB memory, portable audio player
USB DC Out Port
Optical Inputs	1	2
Optical Outputs
Coaxial Inputs	1	2
RCA Line Inputs	6	4 (1 front)
RCA Line Outputs
XLR Line Inputs
Phono Input
Multi-Channel Input
RCA Pre-Outs	11.2 (barter to Zone 3 Pre/Line Out)	7.2
XLR Pre-outs
Composite Video Inputs	2	1
Composite Video Outputs
S-Video Inputs
S-Video Outputs
Component Video Inputs	1	1
Component Video Outputs
Ethernet
Ethernet Switch
PC In
Front A/V Inputs	HDMI	HDMI, USB, mini-jack Audio
Speaker A/B
Headphone Out	6.3 mm (1/4")	6.3 mm (1/4")
Detachable Power Cord
dockport

ZONES	Onkyo TX-RZ50	Yamaha RX-A870
Number of Zones	3	2
Powered Zones	2 and 3	Zone 2
Zone 2 Outs	HDMI, RCA Pre/Line Out (shared with Zone B Line out)	RCA Preout
Zone 3 Outs	RCA Pre/Line Out
Zone B Video Output		HDMI
Zone GUI
Whole House Mode
RS-232C Interface
+12V Trigger Output	1 (MAIN, 100 mA)	1
Remote (IR) Input/Output	1 / 0	1 / 1
Party Mode

MISCELLANEOUS	Onkyo TX-RZ50	Yamaha RX-A870
On-Screen Display	Graphical User Interface with Overlaid On-Screen Display (OSD) via HDMI	Graphical User Interface
GUI Languages	9
SCENE		SCENE (4 sets)
Web Control
IP Control
PreAmp Mode

RADIO	Onkyo TX-RZ50	Yamaha RX-A870
Analog Tuner	FM with RDS	FM/AM
Presets	40	40
Digital Radio	DAB/DAB+
Internet Radio	TuneIn
Pandora
Spotify
Tidal
Deezer
Napster
SiriusXM

CONSTRUCTION	Onkyo TX-RZ50	Yamaha RX-A870
Solid Aluminum Front
A.R.T. Wedge
Speaker Terminals	11	9
Large Speaker Terminals	11	9
Color-Coded Speaker Terminals
Transparent High-Grade Speaker Terminals
Gold plated RCA terminals

POWER	Onkyo TX-RZ50	Yamaha RX-A870
Power Supply	AC 220-240 V, 50/60 Hz	220-240 V, 50/60 Hz
H.C.P.S. (High Current Power Supply)	Custom High-Current Low-Noise Power Transformer
Toroidal Transformer
Power Consumption	870 W	270 W
Maximum Power Consumption		590 W
No Sound Power	75 W
Standby Power	0.15 W	0.1 W
ECO Mode / Hybrid Standby Function
Auto Power Standby

PHYSICAL	Onkyo TX-RZ50	Yamaha RX-A870
Dimensions (W x H x D)	435 mm x 201.5 mm x 398 mm 17-1/8" x 7-15/16" x 15-11/16"	435 mm x 171 mm x 380 mm (with antenna: 435 mm x 234 mm x 380 mm)
Dimensions of Package (W x H x D)	570 mm x 335 mm x 490 mm 22-7/16" x 13-3/16" x 19-5/16"
Weight	14 kg (30.9 lbs)	10.5 kg (23.1 lbs)
Weight of Package	17.0 kg (37.5 lbs)

SPECIFICATIONS	Onkyo TX-RZ50	Yamaha RX-A870
Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)		100 W (0.06% THD)
Power Output (8 Ω, 1 kHz, 2 channel Driven, FTC)		110 W (0.9% THD)
Rated Power Output (8 Ω, 1 kHz, 1 channel Driven)		130 W (0.9% THD)
Maximum Effective Output Power (8 Ω, 1 kHz, 1 channel Driven, JEITA)		160 W (10% THD)
Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)	215 W (10% THD)
Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)	180 W (1% THD)
Dynamic Power per Channel (2 Ω, Front)		240 W
Dynamic Power per Channel (3 Ω, Front)	250 W
Dynamic Power per Channel (4 Ω, Front)	220 W	195 W
Dynamic Power per Channel (6 Ω, Front)		170 W
Dynamic Power per Channel (8 Ω, Front)	130 W	130 W
THD	0.08% (20 Hz - 20 kHz, Half power)	0.06% (AV 2 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 50 W, 8 Ω)
THD (Phono)		0.02% (Phono to SPEAKER OUT (Front), 20 Hz - 20 kHz, 1 V)
Damping Factor		100 (Front, 20 Hz - 20 kHz, 8 Ω)
Input Sensitivity and Impedance (Line)	200 mV/47 kΩ	200 mV/47 kΩ
Input Sensitivity and Impedance (Phono MM)	3.5 mV/47 kΩ	3.5 mV/47 kΩ
Maximum Input Sensitivity (Line)		2.3 V (1 kHz, 0.5% THD)
Maximum Input Sensitivity (Phono)		60 mV (1 kHz, 0.1% THD)
Rated Preout Level and Impedance	1 V/470 Ω	1.0 V/2.7 kΩ (Front)
Maximum Preout Level and Impedance		1.6 V
Rated Headphone Jack Output Level and Impedance		100 mV/560 Ω (1 kHz, 50 mV, 8 Ω)
Rated Headphone Power Output	85 mW (32 Ω, 1 kHz, 10% THD)
Phono Overload	70 mV (MM, 1 kHz 0.5%)
S/N Ratio (Line, IHF-A)	106 dB	110 dB
S/N Ratio (Phono MM, IHF-A)	80 dB	95 dB
Phono RIAA Deviation		±0.5 dB (20 Hz - 20 kHz)
Frequency Response (Analog In)	5 Hz - 100 kHz/+1 dB, -3 dB (Direct/Pure Audio)	+0/-3 dB (AV 2 etc. to Front, 10 Hz to 100 kHz)
Residual noise (IHF-A Network)		150 µV (Speaker Out)
Channel Separation at 1 kHz/10 kHz (LINE)		75 dB/50 dB
Channel Separation at 1 kHz/10 kHz (Phono)		60 dB/55 dB
DSD Sampling Rates via HDMI	2.8 MHz	2.8 MHz
DSD Sampling Rates via USB	2.8 MHz, 5.6 MHz, 11.2 MHz	5.6 MHz, 2.8 MHz
Video Input Sensitivity/Output Level and Impedance	1 Vp-p/75 Ω (Component Y) 0.7 Vp-p/75 Ω (Component PB/CB, PR/CR) 1 Vp-p/75 Ω (Composite)	1 Vp-p/75 Ω (Component Y) 0.7 Vp-p/75 Ω (Component PB/CB, PR/CR) 1 Vp-p/75 Ω (Composite)
Video Maximum Input		1.5 Vp-p
Ethernet Standard	10BASE-T/100BASE-TX	10BASE-T/100BASE-TX
Wi-Fi Standard	IEEE 802.11 a/b/g/n/ac	IEEE 802.11 b/g/n
Wi-Fi Terminal Frequency	5 GHz, 2.4 GHz	2.4 GHz
Bluetooth Version	4․2	2․1 + EDR
Bluetooth Frequency	2.4 GHz	2.4 GHz
USB Terminal	Ver. 2.0, 5 V, 1 A	USB2.0 5 V, 1 A
FM Frequency	87.5 MHz - 108.0 MHz	87.5/87.50 MHz - 108.0/108.00 MHz
FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)	Mono: 1.0 µV (11.2 dBf)	Mono: 3 µV (20.8 dBf)
FM S/N Ratio		Mono/Stereo: 69 dB/67 dB
FM Harmonic Distortion (IHF, 1 kHz)		Mono/Stereo: 0.5%/0.6%
AM Frequency		530/531 kHz - 1710/1611 kHz
DAB Freq	174.928 MHz - 239.200 MHz (Band III)
Warranty	3 Years	3 Years

* - 480i/576i and 480p/576p only
** - 480i/576i only
*** - no 1080p/24 upconversion
**** - 1080p signal is not converted

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