USB Features

USB Device Requirements

USB mass storage device class (but not always guaranteed).

FAT16 or FAT32 file system format.

Up to 255 folders can be displayed, and folders may be nested up to 8 levels deep.

USB hubs and USB devices with hub functions are not supported.

Note

If the media you connect is not supported, the message “No Storage” will be displayed.

If you connect a USB hard disk drive to the AV receiver’s USB port, we recommend that you use its AC adapter to power it.

The AV receiver supports USB MP3 players that support the USB Mass Storage Class standard, which allows USB devices to be connected to computers without the need for special drivers or software. Note that not all USB MP3 players support the USB Mass Storage Class standard. Refer to your USB MP3 player’s instruction manual for details.

Protected WMA music files on an MP3 player cannot be played.

Onkyo accepts no responsibility whatsoever for the loss or damage to data stored on a USB device when that device is used with the AV receiver. We recommend that you back up your important music files beforehand.

MP3 players containing music files that are managed with special music software are not supported.

Operation is not guaranteed for all USB devices, which includes the ability to power them.

Do not connect your USB device via a USB hub. The USB device must be connected directly to the AV receiver’s USB port.

If the USB device contains a lot of data, the AV receiver may take a while to read it.

USB devices with security functions cannot be played.

Appendix

Supported Audio File Formats

For playback from a USB device, the AV receiver supports the following music file formats.

Variable bit-rate (VBR) files are supported. However, playback time may not be display correctly.

MP3 (.mp3 or .MP3)

MP3 files must be MPEG-1/MPEG-2.5 Audio Layer 3 format with a sampling rates of 8 kHz, 11.025 kHz,

12 kHz, 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz, 48 kHz and bitrates of between 8 kbps and 320 kbps. Incompatible files cannot be played.

WMA (.wma or .WMA)

WMA stands for Windows Media Audio and is an audio compression technology developed by Microsoft Corporation. Audio can be encoded in WMA format by using Windows Media® Player.

WMA files must have the copyright option turned off.

Sampling rates of 32 kHz, 44.1 kHz, 48 kHz, bitrates of between 48 kbps and 320 kbps are supported.

WMA DRM/Pro/Voice formats are not supported.

AAC (.aac/.m4a/.mp4/.AAC/.M4A or .MP4)

AAC stands for MPEG-2/MPEG-4 Audio.

• Sampling rates of 16 kHz, 22.05 kHz, 24 kHz, 32 kHz,

44.1kHz, 48 kHz and bitrates of between 8 kbps and

320 kbps are supported.

FLAC (.flac or .FLAC)

FLAC is a file format for lossless audio data compression.

Sampling rates of 32 kHz, 44.1 kHz and 48 kHz are supported.

Quantization bit: 16 bit, 24 bit

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HT-r591 specifications

The Onkyo HT-R591 is a versatile and high-performance home theater receiver designed to elevate the audio experience for movie lovers and music enthusiasts alike. With its comprehensive features and advanced technologies, this model was engineered to deliver immersive sound quality while being user-friendly and adaptable to a variety of setups.

At the heart of the Onkyo HT-R591 is its powerful amplification system. With a robust 7.1-channel setup, it provides an impressive output of up to 100 watts per channel, ensuring that sound is delivered dynamically and with clarity. This receiver supports a wide range of audio formats, including Dolby TrueHD and DTS-HD Master Audio, allowing for an authentic cinematic experience. The onboard decoding ensures that high-definition audio streams are reproduced with pristine accuracy.

Another notable feature of the HT-R591 is its video capabilities. It includes multiple HDMI inputs, which support 4K pass-through, making it compatible with the latest display technology. This ensures that users can connect multiple devices—such as Blu-ray players, gaming consoles, and streaming devices—without compromising on quality. The receiver also boasts upscaling capabilities that enhance lower resolution signals to near-4K quality, providing a visually stunning experience for all types of content.

In addition to its premium audio and video performance, the Onkyo HT-R591 incorporates advanced sound calibration technology. The AccuEQ room acoustic calibration system optimizes the sound output based on the room's characteristics, ensuring an ideal listening experience tailored to your environment. This technology detects speaker placement and adjusts settings automatically, simplifying the setup process and enhancing audio accuracy.

User convenience is another cornerstone of the Onkyo HT-R591. It comes with an intuitive remote control and an easy-to-navigate on-screen display, making it accessible for users of all technical backgrounds. Furthermore, with the inclusion of network connectivity options, users can stream music directly from their devices or access popular streaming services, expanding their audio library effortlessly.

Overall, the Onkyo HT-R591 stands out as a feature-rich home theater receiver that combines stellar audio performance, advanced video processing, and user-friendly functionality. Whether you are watching the latest blockbuster or enjoying your favorite music tracks, this receiver provides a comprehensive solution for all your home entertainment needs.