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Tonewinner AT300 AV Processor In as new condition. Comes with remote. Fantastic unit with 7.3.6 / 9.3.4 Dolby Atmos etc Located in Berwick. Key Features: • Supports up to Dolby Atmos, DTS:X (7.3.6 or 9.3.4 ch) • 4K Ultra HD supporting HDMI 2.0, eARC, HDCP 2.2, HLG, HDR10+, DOLBY VISION & CEC • Premium 4K/60P video processor chipset by Panasonic (MN864788) • Dolby Surround, DTS Neural:X surround up-mixing mode, Multi-channel mode & Direct mode • HDMI 6 Inputs & 2 Outputs, RCA x 4, SPDIF COAXIAL x 2, SPDIF OPTICAL x 2 • Premium power supply, 24K gold plated XLR and RCA connectors, advanced chips
At A$1,600, this is a bit above the typical used-market sweet spot for an AT-300 in like-new condition, since I’m seeing a like-new used example at A$600 against an Australian new/RRP around A$1,679 to A$2,099. That puts this listing closer to premium used than bargain territory, but still not outrageous if it’s genuinely pristine and complete.
The AT-300 is attractive because it gives you 13.3 / 9.3.4-channel processing on a budget, which is exactly why enthusiasts buy it: lots of channel count, flexible Atmos layouts, and strong value versus mainstream separates. If the unit includes the remote, calibration mic(s), original packing, and has been well set up, it’s a solid buy for a buyer who wants a capable processor without paying new-money pricing; I’d just want confirmation of firmware status and that everything is working cleanly at this level.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Tonewinner traces its roots to China, where a precursor company emerged in 1992 under founder Li Zhi, who pioneered audio circuit board innovations. Guangzhou Tonewinner Electronics Co., Ltd. was formally established in 1999 in the Pearl River Delta, leveraging a vast 10,000-square-meter facility and advanced production lines. For over three decades, it has honed expertise as a leading OEM manufacturer, quietly powering high-end components for global brands like Advance Paris, Nuforce, and Emotiva.
The brand excels in amplifiers, including multi-channel power amps and AV preamplifiers, alongside home theater systems, karaoke integrated audio, speakers, and Dolby Atmos-enabled AVRs and soundbars. Its portfolio emphasizes hi-fi power amplifiers—such as Class A two-channel models—and Bluetooth speakers, all produced with robotic precision, components from China, Taiwan, Japan, and the US, under ISO 9001 standards.
Positioned as a mid-tier powerhouse, Tonewinner delivers high-end performance at competitive prices, earning accolades like nine consecutive "most acclaimed product" wins at domestic exhibitions and early certifications for Dolby Atmos and HDMI. Exported to dozens of countries, it commands respect among savvy buyers seeking value-driven home cinema and hi-fi excellence from China's premier audio factory.
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