Meet the Qualcomm® aptX™ family

Discover the various applications

We are constantly looking at how we can leverage technology to unlock new and improved functionality for premium audio.

As technology evolves, aptX evolves with it. We repeatedly push the boundaries, with the goal to delight with premium audio experiences.

Our aptX™ family now includes aptX™ HD, aptX™ Adaptive and aptX™ Low Latency.

Watch, listen, communicate and play, better.

1Mii B03 Pro

By 1Mii

The newest audio codec in our mix, designed for the modern mobile user who wants to be free of wires. Ideal for gaming on the go or streaming your latest box-set binge.

aptX Adaptive combines robust premium audio quality, low-bit rate audio transmission, scalability and the opportunity for low-latency to create the ultimate seamless wireless listening experience, even in the most challenging of radio frequency (RF) environments.

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Qualcomm aptX HD audio ensures your Bluetooth® wireless device can deliver high definition (HD) audio.

aptX HD supports 24-bit audio ensuring you get the most from your music.

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The original aptX audio technology powers the wireless sound behind many of the world’s finest smartphones, speakers, soundbars, headphones and tablets. Stream music using aptX-enabled Bluetooth wireless devices, so you don’t compromise on sound quality.

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Gaming without audio delays. It ensures synchronized audio and video content, delivering a premium audio experience for playing the latest game or catching up on TV.

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Different specifications

Parameter Qualcomm aptX Adaptive Qualcomm aptX HD Qualcomm aptX Low Latency Qualcomm aptX
Word Depth 24-bit 24-bit 16-bit 16-bit
Bit Rate Adjustable from 276 – 420 kbps  570kbps 352kbps 384kbps @ 48kHz sampling frequency
325 @ 44.1kHz sampling frequency
Variable bit-rate Yes No No No
THD+N @1kHz -100dB @ 420kbps
-90db @ 276kbps
-90dB -85dB -85dB
SNR @1kHz 130dB @ 276kbps
135dB @ 420kbps
129dB 93dB 93dB
Frequency response over Bluetooth 20Hz – 22.7kHz 20Hz – 22.7Khz 20Hz – 22.7kHz 20Hz – 22.7kHz