Technical details
| Multi-Zone capability |
N |
| Sleep timer |
Y |
| On Screen Display (OSD) |
Y |
| Treble adjustment |
Y |
| Bass adjustment |
Y |
| Handheld remote control |
Y |
Audio
| Dynamic power per channel (3 Ohm) |
160 W |
| Dynamic power per channel (4 Ohm) |
125 W |
| Output level |
200 mV |
| Output impedance |
2200 Ω |
| Frequency range |
20 - 50000 Hz |
| Input impedance |
47000 Ω |
| Input sensitivity |
200 mV |
| Dynamic power per channel (8 Ohm) |
85 W |
| Power output per channel (20-20KHz@8 Ohm) |
100 W |
| Maximum input level |
2 V |
| Total Harmonic Distortion (THD) |
0.08% |
| Impedance |
16 Ω |
| Signal-to-Noise Ratio (SNR) |
100 dB |
| Audio D/A Converter (DAC) |
24-bit/192kHz |
Packaging content
| Batteries included |
Y |
| FM antenna |
Y |
| AM antenna |
Y |
Outputs
| Audio (L,R) out |
1 |
| Composite video out |
1 |
| Headphone outputs |
1 |
| Component video (YPbPr/YCbCr) out |
1 |
Radio
| FM band range |
87.5 - 108 MHz |
| Radio Data System (RDS) |
Y |
| RDS features |
TP, RT, PTY, PS |
| Supported radio bands |
AM, FM |
| AM band range |
522 - 1611 kHz |
| Preset stations quantity |
40 |
Ports & interfaces
| AM antenna ports quantity |
1 |
| FM antenna ports quantity |
1 |
Inputs
| Digital audio optical in |
2 |
| Remote control in |
1 |
| HDMI in |
3 |
| Digital audio coaxial in |
1 |
| USB ports quantity |
1 |
| Composite video in |
1 |
| Component video (YPbPr/YCbCr) in |
2 |
Additionally
| Wireless technologies |
Wired |
| Ethernet LAN connection |
N |
TX-SR309, 5.1ch., 100W p/ ch., 20 - 50000Hz, 100dB, 16Ohms, 7.5kg, Silver
<b>An Easy Entry Point into the World of Fully Immersive Home Cinema</b>
Continuing our mission to bring quality to every level of home entertainment, Onkyo presents the TX-SR309—an entry-level A/V receiver fine-tuned to power your system right out of the box. Set-up is simple and adjustments are easy, thanks to a new overlaid on-screen display. Also new at this level is PLL jitter-cleaning circuit technology to reduce distortion, and a front-panel USB port that provides a high-quality digital link to your iPod/iPhone. To get the best from your compressed audio files, the TX-SR309 employs Onkyo’s proprietary Advanced Music Optimizer. Naturally, the receiver also handles high-def, lossless audio in the form of Dolby® TrueHD and DTS-HD Master Audio™. These are carried by three HDMI® inputs that also support immersive 3D video content. And whether you’re gaming in 3D or not, you can choose from four customized audio modes to match your gaming content. It all adds up to one high-value proposition.
<b>Key Features</b>
- HDMI® Support for 3D Video and Audio Return Channel
- Direct Digital Connection of iPod/iPhone via USB
- Convenient Overlaid On-Screen Display via HDMI
- Four Audio Game Modes for More Realistic Action
- Advanced Music Optimizer
