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The Tonewinner AT-500 is an 8K home cinema processor designed for immersive configurations up to 9.3.4 or 7.3.6. It provides full decoding of Dolby Atmos and DTS:X formats, compatibility with HDR video signals (HDR10+, Dolby Vision, HLG, Dynamic HDR) and features an HDMI eARC output. Its automatic calibration and manual equaliser allow for precise acoustic adjustment, while the mobile app provides intuitive control of its main functions.
The AT-500 complies with the 8K standard: it has 6 HDMI inputs and 2 HDMI outputs, with HDMI inputs 1 to 3 accepting native 8K signal pass-through and upscaling. This compatibility allows 8K sources to be integrated and ensures ultra-high definition image transmission without prior quality conversion.


The AT-500 can support immersive audio configurations with up to 9 front channels, 3 or 7 side or rear channels, and 4 height channels, i.e. 9.3.4 or 7.3.6 depending on the coverage areas. This means that, regardless of the room in which it is used, the AT-500 will integrate seamlessly, allowing you to get the most out of your audio and video content.
The AT-500 is compatible with Dolby Atmos and DTS:X audio format decoding, including Dolby Atmos upmixing to create a truly immersive and consistent sound experience with excellent channel separation.
On the video side, it supports HLG, HDR, Dolby Vision, HDR10+ and Dynamic HDR formats in pass-through mode without conversion, in order to preserve the original image.


With the ETM-2 measurement microphone (sold separately), the AT-500 can automatically calibrate and acoustically correct your audio system. The microphone captures sound information from your speakers and applies optimal automatic equalisation to each channel, based on your listening position.
In addition to automatic calibration, it is possible to adjust the equalisation manually. The Tonewinner AT-500 provides an 11-band parametric equaliser for the left, right and centre channels and a 5-band equaliser for the surround, top and bass channels. This equalisation can be done directly from the device's graphical interface.


In addition to a wide range of connectivity options, the AT-500 features a built-in Bluetooth receiver. This allows wireless audio streaming from a smartphone or tablet, for example. Playback is controlled directly from your mobile device for simple, fast and convenient use.
The Tonewinner AT-500 can also be fully controlled from a dedicated mobile app, available for Android and iOS. This app allows complete control of the processor without having to access the television interface or physical remote control, enabling you to manage sources, volume, audio modes and equalisation, as well as playback from a USB stick or SD card.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Audio / Video processor Home Cinema preamplifier |
| Channels | Total : 16 channels |
| Inputs | Bluetooth 6x HDMI 3x Stereo RCA 2x Coaxial 2x Optical Toslink 1x Micro SD slot 1x USB-A (USB Host) |
| Output | HDMI 2.1 (including 1 eARC) RCA 9.3.4 channels XLR 9.1.4 channels |
| Other connectors | 1x RS232 1x trigger output 5V |
| Supported audio formats | Dolby Atmos DTS/X Dolby True HD Dolby Digital Plus DTS Master DTS Hi-Res DTS Upmix DTS Neural X |
| Supported video formats / resolutions | 8K, YUV 4:4:4 Dolby Vision HDR10 / HDR10+ HLG |
| HDCP version | 2.3 |
| eARC support | |
| Automatic EQ calibration | |
| Lips Synchronization | Up to 1000ms |
| Output level | 4Vrms ±1dB |
| Total harmonic distortion (THD) | ≤0.004% |
| Signal-to-noise ratio (SNR) | ≥110dB |
| Frequency response | 10Hz-65kHz |
| Channel separation | ≥90dB |
| General | |
|---|---|
| Supply voltage | 100-240VAC 50/60Hz |
| Maximum consumption | 30W |
| Weight | 4.3kg |
| Color | Black |
| Package | 1x Tonewinner AT-500 1x Remote control 1x Power cable |
| Input | RCA |
| Input | Optical |
| Input | HDMI |
| Input | USB |
| Input | SPDIF |
| Input | Bluetooth |
| Input | SD Card |
| Output | XLR |
| Output | HDMI eARC |
| Output | RCA |
| Output | HDMI |
| Max sampling rate | NC |
| Color | Black |