USA 
TX-8140 2.1-Channel Network Stereo Receiver
Product Description
Enjoy wireless connectivity and Internet radio access with the Onkyo TX-8140 2.1-Channel Network Stereo Receiver. It has Wi-Fi and Bluetooth built-in so you can stream wirelessly from your smart devices or directly access services such as Pandora, Spotify, SiriusXM, and more. Two Wi-Fi antennas are on the back of the receiver for optimized signal range. This receiver features Onkyo's WRAT amplifier technology and outputs up to 80W per channel at 8 Ohms.
The TX-8140 has two digital coaxial, two optical, six stereo RCA, and one phono RCA input for connecting a variety of sources. It is also equipped with a USB port for interfacing with a USB storage device for direct playback. You can connect up to two pairs of speakers and switch between having either one or both of them on.
The TX-8140 has two digital coaxial, two optical, six stereo RCA, and one phono RCA input for connecting a variety of sources. It is also equipped with a USB port for interfacing with a USB storage device for direct playback. You can connect up to two pairs of speakers and switch between having either one or both of them on.
| Amplifier | |
| Channels | 2.1 |
| Amplifier Class | |
| Power Output per Channel | 2-Channel Driven: 80 W at 8 Ohms / 20 Hz to 20 kHz / 0.08% THD 1-Channel Driven: 110 W at 6 Ohms / 1 kHz / 0.1% THD |
| Dynamic Power per Channel | 110 W at 8 Ohms (Front) 170 W at 4 Ohms (Front) 190 W at 3 Ohms (Front) |
| Frequency Response | 10 Hz to 100 kHz +1/-3 dB (Direct Mode) |
| THD+N | 0.08% (20 Hz to 20 kHz, Half Power) |
| Speaker Impedance | 4 to 16 Ohms |
| Tone Control | |
| Damping Factor | |
| Audio Processing | |
| DTS Compatibility | |
| Dolby Compatibility | |
| Auro 3D Support | No |
| Upmixing Technology | |
| Supported File Formats | |
| DAC | 768 kHz / 32-Bit (AK4452) |
| HDR Compatibility | |
| Pass-Through Support | |
| Upscaling | |
| GUI | |
| Connectivity | |
| Rear A/V Inputs | 2 x Digital Coaxial 2 x Optical TOSLINK 6 x Stereo RCA 1 x Stereo RCA (Phono) with Ground Screw |
| Rear A/V Outputs | 1 x Stereo RCA Line-Out 1 x RCA Subwoofer Pre-Out |
| Front I/O | 1 x 1/4" / 6.35 mm Headphone Output 1 x USB Type-A |
| Other Rear I/O | 1 x RJ45 (Ethernet) 1 x 1/8" / 3.5 mm (Remote) Input 1 x 1/8" / 3.5 mm (IR) Input 1 x 1/8" / 3.5 mm (IR) Output 1 x AM Antenna Terminal 1 x FM Antenna Terminal |
| Speaker Connectors | 4 x Binding Post Pairs |
| HDCP Support | |
| HDMI Compression Modes | |
| Audio Return Channel (ARC) | |
| HDMI CEC | |
| Media Card Slot | |
| A/B Speaker Selection | Yes |
| Bi-Amp Capability | |
| Input Impedance | Line: 47 Kilohms Phono: 47 Kilohms |
| Input Sensitivity | Line: 200 mV Phono: 3.5 mV |
| Rated Output / Impedance | Subwoofer Pre-Out: 1 V / 680 Ohms |
| Dynamic Range | |
| Signal to Noise Ratio | Line: 106 dB Phono: 80 dB |
| Total Harmonic Distortion (THD) | |
| Wireless Connectivity | |
| Wi-Fi | Yes |
| Wireless Security | |
| Bluetooth | Yes |
| Bluetooth Profiles | |
| Supported Audio Codecs | |
| Bluetooth Range | |
| Wireless Audio Protocols | |
| DLNA Support | |
| External Control Support | |
| Virtual Assistant Support | |
| Tuner Section | |
| Tuner Type | |
| Number of Tuner Presets | 40 Stations |
| Radio Frequencies | FM: 87.5 to 107.9 MHz AM: 530 to 1710 kHz |
| Sensitivity | |
| Signal to Noise Ratio | |
| Distortion | |
| Power | |
| AC Input Power | 120 VAC, 60 Hz |
| Power Consumption | Standby: 0.2 W No Sound: 50 W Network Standby: 2.9 W |
| Physical | |
| Dimensions (W x H x D) | 17.1 x 5.9 x 12.9" / 435.0 x 149.0 x 328.0 mm |
| Weight | 18.3 lb / 8.3 kg |
| Warranty Length |