High-end accessories for the AXTON amplifiers A542DSP and A592DSP. With the Audio Streaming Interface ATB50, Hi-Res audio files - and of course all conventional music data - can be played back via Bluetooth with the APTX-HD standard via the car audio system. Simply plug the ABT50 streaming module into the A542DSP or A592DSP and enjoy your favorite music in the best audio resolution. Hi-Res audio data offer, depending on the format, the highest dynamic range and a resolution in original studio master quality. This benefits the space and transparency, but also ensures a voluminous bass. Key features Bluetooth APTX-HD chipset for wireless Hi-Res audio music streaming Coaxial output including power supply OTG compatible for direct and uncompressed music transmission Optical output with Toslink connection Dimensions (LxWxH): 80 x 35 x 18 mm Scope of delivery: streaming module, including mounted 17 cm coaxial connection cable