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Sony in-car audio products at IFA 2015

Hi-Res audio on the move

by Mark Hodgkinson Sep 3, 2015 at 3:20 PM


  • Tech News

    Sony in-car audio products at IFA 2015
    At IFA 2015 Sony has showcased its new in-car Hi-Res Audio line-up.
    Those include the RSX-GS9 head unit, XM-GS4 4ch amplifier, XS-GS1 Super tweeter, XS-GSW121D subwoofer, XM-GS100 mono amplifier, XS-GS6921 rear speakers and XS-GS1621 front speakers.

    Sony says it focused its design and manufacturing to exclusively include components that create the best sound reproduction, while minimising electro-magnetic noise and vibration. It is this marriage between High-Res Audio and attention to detail that make this in-car audio system a true work of art.

    Sony’s RSX-GS9 internal design features a super rigid, dual-layer chassis, making for an anti-resonance, low interference design. The high-end components – from the operational amplifiers to the clock generator - have been put together to maximise sound clarity and quality, while minimising negative impacts from the harsh vibration experienced in a typical in-car setting. Most notably, Sony incorporated the ES9018S, the world’s highest performance 32-bit audio D/A converter by ESS Technology, Inc. The D/A converter translates your music files to analogue signals in an impressive dynamic range of up to 135dB and THD+N (Total harmonic distortion and noise) of -120dB.

    The RSX-GS9 is also the world’s first car audio player that is natively compatible with DSD (5.6MHz/1bit, 2.8MHz/1bit) and iIf you have a library of MP3s then Sony’s DSEEHX™ (Digital Sound Enhancement Engine) upscales your music to near Hi-Res Audio quality.


    Design wise, the front panel features a clean, single-shell design made from fully machine-cut, hairline-finished 14mm aluminium and is complemented by an easily visible OLED display, backlit selection keys and a large aluminium trimmed volume dial. Advanced connectivity features such as LDAC supported Bluetooth / NFC in connection with Sony’s SongPal App, two USB (Type A) slots and a USB micro-B (USB DAC) ensure that you can play your music from any media storage, including your smartphone, USB flash drive, or mp3 player.

    The XM-GS4 4-channel amplifier is another key component with its wide frequency response from 10Hz all the way up to 100KHz. It can also be adjusted to your liking thanks to variable low pass / high pass filters that allow for optimisation of cross-over frequencies to perfectly match your system configurations.

    No audio system is complete without speakers and Sony says its premium XS-GS1 25mm soft dome super tweeter is the ideal addition to realise the Hi-Res Audio experience in your car, as they easily cope with superior frequency ranges reaching 50kHz. While these high frequency sounds have a very narrow transmission field, the XS-GS1 focuses on maximising their dispersion throughout the entire car. In terms of design, wide-open grill nets and the smoothly sloped front baffles maximise the speaker’s sound radiation properties. In addition, the XS-GS1’s can be installed to face the windscreen rather than the listener, thereby increasing the dispersion and quality of high pitched notes.

    Sony’s in-car Hi-Res Audio line-up will be available from January 2016.

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