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Review Summary
2021-06-23T05:57:40
Very happy with this receiver, has a much better sound than the Yamaha it replaced.
David F.
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
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Dynamic Stereo Sound
Delivering 80 W/Ch of high-current power from a fully discrete low-impedance amplification system, the TX-8140 plays all your audio sources with pure dynamic energy. Connectivity is outstanding: you can route TV sound via coaxial/optical inputs, stream music from mobile or PC over Wi-Fi, play MP3s from flash drive via USB, or pair and stream audio from almost any application using Bluetooth technology.
Realistic & Clean Audio
High current enables masterful control of the speakers for extremely accurate and dynamic sound. It's the cornerstone of our Wide Range Amplification Technology system, and it creates an uncommonly well-focused and realistic audio image.
The TX-8140 delivers superb stereo power at 80 W/Ch (8 Ohms, 20 Hz-20 kHz, 0.1%, 2 Channels Driven, FTC) 110 W/Ch (6 Ohms, 1 kHz, 0.1%, 1 Channel Driven, FTC).
Bluetooth / Wi-Fi with Pandora and Spotify
The TX-8140 has Wi-Fi and Bluetooth technologies built in. The free Onkyo Remote app puts a range of streaming options at your fingertips, from universal hi-res audio via network-attached devices to internet streaming services to music on your smartphone and tablet. Or pair up and enjoy whatever's playing on your Bluetooth-compatible device for huge cinematic sound.
It also comes loaded with Spotify, Pandora, SiriusXM Internet Radio, Slacker and TuneIn. You can select a station and search for music available on these services via the Onkyo Remote app on your phone. You'll never be short of your favorite music to enjoy.
Great Sound From Any Format
An Asahi Kasei AK4452 digital-to-analog converter unlocks the full potential of any audio format with its unique low-distortion sound-enhancing filtering technologies.
Hi-Res Clarity & Detail
The TX-8140 is engineered for universal Hi-Res compatibility and ease of use. Use the remote app to select your 192/24 or 5.6 MHz DSD files on PC or NAS and bask in the clarity and detail of high-resolution music.
Quick Access Presets
Get instant access to four of your favorite FM/AM or internet radio stations at the touch of a button. Four preset buttons on the faceplate go straight to the stations. You can even wake up the receiver from standby mode by pressing one of these buttons for instant radio.
Rediscover the Magic of Vinyl
Hi-current amplification brings out the best in your vinyl records. Just connect your turntable to the phono input. The TX-8140 will faithfully reproduce vinyl's authentic stereo sound.
Advanced Features
Amplifier
Power Watts/Ch (6 Ohms 1kHz, 1 Channel Driven, FTC): 110, 0.1% THD
Power Watts/Ch (8 Ohms 20-20kHz, 2 Channels Driven, FTC): 80, 0.08% THD
Dynamic Power: 190 W (3 Ohms, Front)
170 W (4 Ohms, Front)
110 W (8 Ohms, Front)
Non-Phase-Shift Amp Design: Yes (for Realistic Sound Imaging)
6 Ohm Capable: Yes
4 Ohm Capable: Yes
Direct Mode: Yes
384K/32 Bit DACs: Yes (Asahi Kasei AKM4452)
Connectivity
Audio Input/Output: 6/1
Phono Input: Yes
Digital Audio IN (Opt/Coax): 4/4
Auto Power On When Signal is Detected: Yes(via Optical)
Speaker A/+B: Yes
Subwoofer Pre-out: Yes
Headphone Jack: Yes
Network / USB
Internet Radio Capable: Yes (TuneIn Radio, Pandora, Slacker, SiriusXM Internet Radio, Spotify, and Deezer)
Spotify Connect Support: Yes
Streaming Audio From PC / Network: Yes (DLNA, Home Media)
Hi-Res Streaming Audio Formats: Yes (Apple Lossless, DSD 2.8/5.6 MHz, Dolby TrueHD, FLAC 192/24, LPCM, Ogg Vorbis, WAV, WMA)
Supports Onkyo Remote App: Yes (iPod Touch/iPod & Android-Powered Devices)
Wireless Network: Yes (Wi-Fi Certified)
USB Input: Yes (Front)
Firmware Updates via Network/USB: Yes/Yes
Miscellaneous
Quick Access BGM Presets: Yes (x4)
Number of AM/FM Presets 40
Preset Station Naming: Yes
Direct Access Tuning: Yes
Automatic/Manual Tuning: Yes
Sleep Timer: Yes
IR Input: Yes
IR Output: Yes
RI-Compatible Remote Control: Yes