• 80 W/Ch (8 Ohms, 20 Hz-20 kHz, 0.1% THD, 2 Channels Driven, FTC)
  • 110 W/Ch (6 Ohms, 1 kHz, 0.1% THD, 1 Channel Driven, FTC)
  • Built-in Bluetooth® & Wi-Fi®
  • Phono Input

  • Hi-Current Amp Design
  • A/B Speakers
  • 4 Quick-Access Presets
  • 384 kHz/32-bit Hi-Grade DAC

Realistic & Clean Audio

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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, Spotify, and AirPlay

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.

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Great Sound From Any Format

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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.

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Quick Access Presets

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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.

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Copyright 2017 Onkyo USA Corporation. All rights reserved. Onkyo features and specifications subject to change without notice. Availability of Internet and third party services depends on region. Some services may require a paid subscription and firmware update.Availability of third-party services advertised here is accurate at the time of publication, but may be subject to change without notice.

Owner's Documentation & Software

Product Manuals

The help you need for your TX-8140.