HTC U11+

The 6” display demands your attention, but the sound system calls for your affection. The same great HTC BoomSound and HTC USonic earbuds make sure you have powerful audio wherever you go.

Key aptX™ HD Features

Wireless HD sound

aptX HD is designed to deliver 24-bit wireless HD audio wirelessly over Bluetooth

High signal output for amazing sound

aptX HD has been engineered to improve the signal-to-noise ratio, resulting in lower background noise

Minimal sound distortion

With lower Total Harmonic Distortion (THD) and no audio artefacts you can enjoy your music with hardly any interference

aptX™ HD Tech Specifications

Sound quality
  • THD+N@1kHz:  -80dB
  • SNR@1kHz:  129dB
  • PEAQ audio quality: -0.05
Audio Encoding
  • 24-bit, up to 48kHz sampling rate
Program memory usage
  • 3.3kwords (encoder) / 3.6kwords (decoder) 
Data memory usage
  • 1.8kwords
Bit Rate
  • 576 Kbits (48 kHz sampling)
Capability
  • Backwards compatible with existing aptX products