| Main Features | VSX-921 |
| Output Power per Channel |
150W |
| Impedance at Output Level |
6Ω |
| Number of Channels |
7 |
| Input Connections |
• 4 x HDMI (1080p upscaling)
• 5 x Composite
• 2 x Component
• 1 x Coaxial
• 2 x Optical
• 1 x USB host
• 1 x iPod/iPhone Digital via USB (cable included)
• 1 x Ethernet
• 1 x Bluetooth adapter port for AS-BT200 |
| Output Connections |
• 1 x HDMI
• 1 x Composite
• 1 x Component
|
| HD Audio Formafts |
Dolby TrueHD, DTS-HD Master Audio |
| Audio Return Channel |
Yes |
| Stand-by Pass Through |
Yes |
| Control with HDMI |
Yes |
| On-Screen Display (GUI) |
Easy-to-use GUI, available in English, French, Italian, German, Spanish, Dutch and Russian |
| Firmware updates |
Yes (via Internet or USB) |
| AVNavigator |
Yes |
| Internet Radio |
Yes |
| vTuner |
Yes |
| DLNA Certified |
Yes (v1.5) |
| Remote Control |
Glow-key, preset remote control |
| Input & Output connections | VSX-921 |
| AV Front Input |
Yes |
| Bi-Amplifier |
Yes |
| Bluetooth Adapter Port |
Yes |
| Digital Optical Input/Output |
2/- (assignable) |
| Digital Coaxial Input/Output |
1/- |
| Ethernet |
1 |
| Large speaker terminals |
Yes |
| USB Host (Front) |
Yes |
| Apps | VSX-921 |
| iControlAV2 |
Yes |
| Air Jam |
Yes |
| Apple Compatibility | VSX-921 |
| Works with iPod |
Yes (cable included) |
| Works with iPhone |
Yes |
| iPhone Control Button |
Yes |
| Network Features | VSX-921 |
| Wireless LAN |
Yes (with optional AS-WL300 adapter) |
| Surround Sound Formats | VSX-921 |
| Dolby Digital |
Yes |
| Dolby Digital EX |
Yes |
| Dolby Pro Logic II |
Yes |
| Dolby Pro Logic IIx |
Yes |
| Dolby Pro Logic IIz |
Yes |
| Dolby True HD |
Yes |
| DTS |
Yes |
| DTS-ES |
Yes |
| DTS Neo: 6 |
Yes |
| DTS 96/24 |
Yes |
| DTS-Express |
Yes |
| DTS-HD High Resolution Audio |
Yes |
| Surround Modes |
15 + 1 (Action, Drama, Sci-Fi, Mono Film, Entertainment Show, Expanded Theater, TV Surround, Advanced Game, Sports, Classical, Rock/Pop, Unplugged, Extended Stereo, Front Stage Surround Focus, Front Stage Surround Wide + Phones Surround) |
| Audio Features | VSX-921 |
| Tuner Pre-set Stations |
30 |
| Auto Level Control |
Yes (Multi-channel) |
| Auto Surround |
Yes |
| Dialogue Enhancement |
Yes |
| Digital Noise Reduction |
Yes |
| DSD-to-PCM Convertor |
Yes (Multi-channel) |
| Dynamic Range Control |
Yes |
| Headphone Surround |
Yes |
| Multizone Function |
Yes (2) |
| Phase Control |
Yes |
| MCACC |
Yes (Advanced, 9-band) |
| PQLS |
Yes (Multi-channel) |
| Sound Delay (LipSync) |
Yes |
| Advanced Sound Retriever |
Yes (Multi-channel) |
| Sound Retriever AIR |
Yes |
| Stream Direct |
Yes |
| Symmetric EQ |
Yes |
| Virtual Surround Back |
Yes |
| Virtual Height |
Yes |
| X-Curve |
Yes |
| Video Features | VSX-921 |
| 3D Ready |
Yes |
| x.v.Colour |
Yes |
| Upscaling to 1080p |
Yes |
| Power Output | VSX-921 |
| Power Requirements |
AC 220 - 230 V / 50/60 Hz |
| Power Consumption (in use / standby) |
550 W / 0.30 W |
| Construction | VSX-921 |
| Design |
Discrete Amplification Type |
| Amplifier Specifications | VSX-921 |
| Digital Signal Processor |
Freescale |
| D/A Converter |
192 kHz / 24-bit |
| Dimensions (W x H x D) |
435 x 168 x 362.5 mm |
| Main Features | VSX-921 |
| File Playback |
LPCM, MP3, WAV, AAC, WMA Lossless, Apple Lossless, FLAC |
| Input & Output connections | VSX-921 |
| Component Video Input/Output |
2/1 (assignable) |
| Composite Input/Output |
4/1 |
| HDMI Input/Output |
4 (assignable )/1 |
| Headphone |
Yes |
| IR In/Out |
1/1 |
| Pre-amp Output |
Yes (SW) |
