| GENERAL |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| Brand | Onkyo | Pioneer |
| Model | TX-SR494 | VSX-531 |
| Type | A/V Receiver | A/V Receiver |
| Country | Europe | North America |
| Release Year | 2019 | 2016 |
| Predecessor | | Pioneer VSX-530-K |
| Successor | | Pioneer VSX-532 |
| AMPLIFIER |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| Channels | 7.2 | 5.1 |
| Power Output | 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) | 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) |
| Front Wide Channel Support | | |
| Amplifier Design | | Discrete Direct Energy |
| Dynamic Audio Amplification | | |
| Non-Phase Shift Amplifier | | |
| VLSC (Vector Linear Shaping Circuitry) | | |
| Optimum Gain Volume Circuitry | | |
| THX™ Certification | | |
| 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-SR494 |
Pioneer VSX-531 |
| Digital Signal Processing (DSP) Engine | 32-bit Digital Signal Processing Engines | Texas Instruments Aureus |
| DAC | AKM | |
| DAC Specs | 384 kHz/32 Bit | 192 kHz/24 Bit |
| Maximum Channel Processing | 7.1 | 5.1 |
| Air Studios Monitor Certification | | |
| Dolby Atmos | | |
| Dolby Atmos Height Virtualization | | |
| Dolby Atmos Music | | |
| Dolby TrueHD | | |
| Dolby Digital Plus | | |
| Dolby Surround Upmixer | | |
| Dolby Pro Logic | | PLII |
| Dolby Digital EX | | |
| THX Listening Modes | | |
| Surround EX | | |
| DTS:X | | |
| 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 | | |
| IMAX Enhanced | | |
| Auro 3D with Auro-Matic Upmixer | | |
| PCM | 2-ch/Multi-ch Input | 2-ch/Multi-ch Input |
| Music Playback via USB | | MP3, WMA, AAC |
| High Resolution Music Playback via USB and/or Network | | |
| DSD via HDMI | 2-ch | 2-ch Input |
| DSD via USB | | |
| DSD to PCM Converter | | |
| USB DAC | | |
| Jitter Reduction | | |
| Auto Level Control | | |
| DTS Dialogue Control | | |
| Dialog Enhancement | | |
| Dialog normalization | | |
| Dialogue Lift | | |
| Sound Retriever | | Advanced (2-Channel) |
| Sound Retriever AIR | | |
| Digital noise Reduction | | |
| Tone Control | Front L/R Channels | Front L/R Channels |
| Compressed Music Enhancer | Advanced Music Optimizer | Advanced Sound Retriever |
| High-resolution Music Enhancer | | |
| THX Processing Mode | | |
| Audyssey Dynamic EQ | | |
| Audyssey Dynamic Volume | | |
| Audyssey LFC | | |
| Audyssey Sub EQ HT | | |
| Audyssey DSX | | |
| Phase-Matching Bass Boost | | |
| Direct Mode | | |
| Pure Audio Mode | | |
| Pure Direct Analog Path Mode | | |
| Pure Direct Mode | | |
| Auto Surround | | |
| Optimum Surround | | |
| Advanced Surround | | 10 + 1 |
| Wide Surround | | |
| Front Stage Surround Advance | | |
| Headphone Surround | | |
| Virtual Speakers | T-D (Theater-Dimensional) | |
| Virtual Depth | | |
| Independent Subwoofer Outputs | | |
| CALIBRATION |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| Auto Speaker Calibration System with Mic. | AccuEQ | |
| Manual MCACC | | |
| Phase Control | | |
| Auto Phase Control Plus | | |
| Full Band Phase Control | | |
| Standing Wave Control | | |
| EQ Bands | | |
| Symmetric EQ | | |
| X-Curve | | |
| Distance Adjustment | | 0.1 feet |
| Precision Distance | | |
| Polarity Check | | |
| Auto Subwoofer Crossover | | |
| VIDEO FEATURES |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| HDR10 | | |
| HDR10+ | | |
| Dynamic HDR | | |
| BT.2020 color space | | |
| Dolby Vision | | |
| HLG (Hybrid Log Gamma) | | |
| HDBaseT Compatible | | |
| Enhanced Audio Return Channel (eARC) | | |
| HDCP Version | 2.3 | 2.2 |
| 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 4K/60p (RGB/YCbCr4:4:4) | up to 4K/60p (4:4:4) |
| Video Signal Upscaling | 1080p to 4K | |
| Analog To HDMI Upconversion | | |
| Analog to Analog Video conversion | | |
| Stream Smoother | | |
| Pure Cinema | | |
| Video Parameter Adjustments | | |
| Triple HD noise Reduction | | |
| Super Resolution | | |
| isf Certified Calibration Control | | |
| CONNECTIVITY |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| Wi-Fi | | |
| Bluetooth | SBC, AAC | SBC, AAC |
| Works with Amazon Alexa | | |
| Chromecast Built-In | | |
| Works with SonoS | | |
| DTS Play-Fi | | |
| MHL Input | | |
| DLNA 1.5 | | |
| AirPlay | | |
| Apple Product Connection | | |
| Remote App | | |
| InstaPrevue Input Source Prevue | | |
| TERMINALS |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| HDMI Inputs | 4 | 4 |
| HDMI Outputs | 1 | 1 |
| 8K Inputs | | |
| USB Input | | 1 Front |
| USB DC Out Port | | |
| Optical Inputs | 1 | 1 |
| Optical Outputs | | |
| Coaxial Inputs | 1 | 1 |
| RCA Line Inputs | 3 | 3 (1 front) |
| RCA Line Outputs | | |
| XLR Line Inputs | | |
| Phono Input | | |
| Multi-Channel Input | | |
| RCA Pre-Outs | 0.2 | 0.1 |
| XLR Pre-outs | | |
| Composite Video Inputs | | 2 |
| Composite Video Outputs | | 1 |
| S-Video Inputs | | |
| S-Video Outputs | | |
| Component Video Inputs | | |
| Component Video Outputs | | |
| Ethernet | | |
| Ethernet Switch | | |
| PC In | | |
| Front A/V Inputs | | USB, Mini-Jack |
| Speaker A/B | | |
| Headphone Out | 6.3 mm (1/4") | 6.3 mm (1/4") |
| Detachable Power Cord | | |
| uport | | |
| adapterport | | |
| ZONES |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| Number of Zones | 2 | 1 |
| Powered Zones | 2 | |
| Zone 2 Outs | Zone B Pre/Line Out | |
| Whole House Mode | | |
| RS-232C Interface | | |
| +12V Trigger Output | 0 | |
| Remote (IR) Input/Output | 0 / 0 | 0 / 0 |
| MISCELLANEOUS |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| On-Screen Display | | HDMI only |
| GUI Languages | 9 | |
| AV Navigator | | |
| IP Control | | |
| PreAmp Mode | | |
| Versatile Speaker Configuration | | |
| FL Dimmer | | |
| Function Rename | | |
| ONKYO-RI System Control | | |
| RIHD (Remote Interactive Over HDMI) | | |
| RADIO |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| Analog Tuner | FM/AM with RDS | FM/AM |
| Presets | 40 | 30 |
| Digital Radio | | |
| Internet Radio | | |
| Pandora | | |
| Spotify | | |
| Tidal | | |
| Deezer | | |
| Napster | | |
| SiriusXM | | |
| CONSTRUCTION |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| Front Panel | | Brushed |
| Solid Aluminum Front | | |
| Speaker Terminals | 7 | 5 |
| Large Speaker Terminals | 2 | 2 |
| Color-Coded Speaker Terminals | | |
| Transparent High-Grade Speaker Terminals | | |
| 3D Space Frame Construction | | |
| Gold plated RCA terminals | | |
| POWER |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| Power Supply | AC 220-240 V, 50/60 Hz | AC 120 V, 60 Hz |
| Independent Power Supply | | |
| H.C.P.S. (High Current Power Supply) | | |
| Toroidal Transformer | | |
| Low Leakage Flux Power Transformer | | |
| Transformer Stabilizer | | |
| Power Consumption | 480 W | 210 W |
| Standby Power | 0.2 W | 0.45 W |
| Auto Power off | | |
| PHYSICAL |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| Dimensions (W x H x D) | 435 mm x 160 mm x 328 mm
17-1/8" x 6-5/16" x 12-15/16" | 435 mm x 168 mm x 320.5 mm
17-1/8" x 6-5/8" x 12-5/8" |
| Dimensions of Package (W x H x D) | 525 mm x 240 mm x 405 mm
20-11/16" x 9-7/16" x 15-15/16" | |
| Weight | 8.2 kg (18.1 lb 10 oz) | 8.0 kg (17 lb 10 oz) |
| Weight of Package | 10.5 kg (23.1 lbs) | |
| SPECIFICATIONS |
Onkyo TX-SR494 |
Pioneer VSX-531 |
| Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) | | 80 W (0.08% THD) |
| Power Output (6 Ω, 1 kHz, 1 channel driven, FTC) | | 140 W (1% THD) |
| Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC) | 160 W (10% THD) | |
| Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC) | 135 W (1% THD) | |
| THD | 0.08% (20 Hz - 20 kHz, Half power) | |
| Input Sensitivity and Impedance (Line) | 200 mV/47 kΩ (1 kHz, 100 W/8 Ω) | |
| Rated Headphone Power Output | 80 mW (32 Ω, 1 kHz, 10% THD) | |
| S/N Ratio (Line, IHF-A) | 109 db | |
| Frequency Response (Analog In) | 10 Hz - 100 kHz/+1 dB, -3 dB (Direct) | |
| DSD Sampling Rates via HDMI | 2.8 MHz | 2.8 MHz |
| Video Input Sensitivity/Output Level and Impedance | | 1 Vp-p/75 Ω (Composite) |
| Bluetooth Version | 4․2 | 3.0 |
| Bluetooth Frequency | 2.4 GHz | 2.4 GHz |
| HDMI Terminal | | Type A (19-pin) |
| HDMI Output Type | | 5 V, 55 mA |
| USB Terminal | 5 V, 1 A | USB2.0 (Type A) 5 V, 0.5 A |
| FM Frequency | 87.5 MHz - 108.0 MHz | 87.5 MHz - 108 MHz |
| FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.) | Mono: 1.0 µV (11.2 dBf) | |
| AM Frequency | 522/530 kHz - 1611/1710 kHz | 530 kHz - 1700 kHz |
| Warranty | 2 Years | 1 Year Parts & Labor |
* - 480i/576i and 480p/576p only
** - 480i/576i only
*** - no 1080p/24 upconversion
**** - 1080p signal is not converted
