If you click a link on this page and make a purchase, we may receive a small commission at no extra cost to you.
Amplifier
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| Channels | 9.2 | 9.2 |
| Stereo power (RMS), W/Ohm | 120/8, 230/6 | 100/8, 225/6 |
| Output impedance, Ohm | 8, 6 | 8, 6 |
| Frequency response | 10Hz-100KHz | 10Hz-100KHz |
| THD in stereo, % | 0.08 | 0.08 |
Audio features
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| Digital to analog converter (DAC) | AK4458 384 KHz/32-bit | AK4458 384 KHz/32-bit |
| Bi-amping | ✔ | ✔ |
| Pure direct (straight) | ✔ | ✔ |
| Auto speaker calibration | MCACC | AccuEQ |
| Speaker A/B switching | ✖ | ✖ |
| Other audio features | Advanced Sound Retriever, Hi-Res audio | Advanced Music Optimizer, Hi-Res audio, Dynamic Audio Amplification |
Connectivity
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| Wi-Fi | 2.4/5GHz | ✔ |
| USB | 1 (USB 2.0) | 1 (USB 2.0) |
| Bluetooth | ✔ | ✔ |
| Ethernet (RJ45) | 1 | 1 |
| DLNA | ✖ | ✖ |
| MHL | ✖ | ✖ |
Streaming services
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| Apple Music (AirPlay) | AirPlay, AirPlay 2 | AirPlay, AirPlay 2 |
| Amazon Music | ✔ | ✔ |
| Spotify | ✔ | ✔ |
| Other streaming services | Deezer, TIDAL, Pandora | Deezer, TIDAL, Pandora, TuneIn Radio |
Extensive connection
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| HDMI input/output | 7/2 | 7/2 |
| HDMI ARC (Audio Return Channel) | ✔ | ✔ |
| HDMI eARC (Enhanced Audio Return Channel) | ✖ | ✖ |
| HDMI CEC | ✔ | ✔ |
| Digital content protection (HDCP) | HDCP 2.2 | HDCP 2.2 |
| Subwoofer output (LFE) | 2 | 2 |
| Headphone output | 1 x 6.3 | 1 x 6.3 |
| Optical digital input | 1 | 1 |
| Coaxial digital input | 1 | 1 |
| Composite input | 2 | 2 |
| Component input/output | 1/0 | 1/0 |
| Phono (MM) input | ✔ | ✔ |
| Front panel connectors | USB, HDMI, phones, setup mic | HDMI, phones, setup mic, AUX |
| Multi channel preamp output | ✔ | ✔ |
Video features
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| HDR (High Dynamic Range) | HDR10 | HDR10 |
| 4K signal pass-through | 4K/60Hz | 4K/60Hz |
| 8K signal pass-through | ✖ | ✖ |
| HDMI signal pass-through | ✔ | ✔ |
| 3D signal pass-through | ✔ | ✔ |
| HDMI pass-through in standby mode | ✔ | ✔ |
| Video conversion | analog to HDMI | ✖ |
| Analog to HDMI scaling | ✔ | ✖ |
| HDMI to HDMI scaling | ✔ | ✔ |
| Dolby Vision | ✔ | ✔ |
| Other video features | x.v.Color, HLG, BT.2020 | DeepColor, x.v.Color, HLG, BT.2020 |
Additional features
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| Voice control | Amazon Alexa | Google Assistant |
| App control | iPhone, iPad, iPod, Android | iPhone, iPad, iPod, Android |
| Display | colour OSD | fluorescent |
| Tuner | AM, FM | AM, FM |
| Sleep timer | ✔ | ✔ |
| Auto power off | ✔ | ✔ |
| ECO mode | ✖ | ✖ |
| Graphical user interface (GUI) | ✔ | ✔ |
| Setup assistant | ✔ | ✔ |
| Firmware update | network, USB | network, USB |
| Other additional features | has not | IP Control |
Multi-room
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| Multi-room zones | 3 | 3 |
| Zone audio output | speaker, preout | speaker, preout |
| Zone HDMI output | ✔ | ✔ |
| Multi-room control | Pioneer Control App, FlareConnect | FlareConnect |
| RS-232 | 1 | 1 |
| Remote control input/output (IR) | 1/1 | 1/0 |
| DC trigger output (12V) | 2 | 1 |
Multichannel surround
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| Dolby Atmos | ✔ | ✔ |
| Dolby TrueHD | ✔ | ✔ |
| Dolby Surround | ✔ | ✔ |
| Dolby (other) | Dolby Digital Plus, Dolby Atmos Height Virtualization | Dolby Digital Plus, Dolby Atmos Height Virtualization |
| DTS:X | ✔ | ✔ |
| DTS HD Master | ✔ | ✔ |
| DTS Virtual:X | ✖ | ✖ |
| DTS Neural:X | ✔ | ✔ |
| DTS (other) | DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS | DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS |
| Auro-3D | ✖ | ✖ |
| IMAX Enhanced | ✔ | ✔ |
| Multichannel stereo | ✖ | ✖ |
Audio file formats
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| MP3 | ✔ | ✔ |
| WMA | ✔ | ✔ |
| AAC | ✔ | ✔ |
| WAV | ✔ | ✔ |
| FLAC | ✔ | ✔ |
| ALAC | ✔ | ✔ |
| Other audio file formats | AIFF | AIFF |
Power
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| Operational power consumption, W | 850 | 750 |
| Standby consumption, W | 0.15 | 0.15 |
| Removable power cord | ✔ | ✔ |
Dimensions
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| Size W x H x D, cm/inches | 43.5 x 18.5 x 38.6/17 x 7 x 14.9 | 43.5 x 17.7 x 37.9/17 x 6.8 x 14.5 |
| Weight, kg/lbs | 13/28.7 | 10.8/23.8 |
Other
| VSX-LX504 | TX-RZ740 | |
|---|---|---|
| Release year | 2019 | 2019 |
Add another receiver to comparison
We didn't find anything to show here
Popular receiver comparisons
25001600
35003200
Latest receiver comparisons
$2500$1600