The M18i provides both 3.5 mm unbalanced and 4.4 mm balanced outputs. Its manual gain control allows adjustment according to personal preferences and headphone/audio-system characteristics, making it suitable for a wide range of apps and devices. An MFB button is provided for pairing and music playback in Bluetooth mode. Volume buttons provide 60 levels of loudness.
The M18i supports seamless switching between lossless Bluetooth and USB DAC modes. It features Qualcomm's latest Snapdragon Sound technology with Bluetooth 5.4, supporting AAC, SBC, aptX, aptX HD, aptX Adaptive, LE AUDIO, and 24bit/96kHz LDAC. Enjoy wireless, lossless Bluetooth audio with all devices that support these codecs.
The M18i is equipped with Qualcomm's next-generation Snapdragon Sound technology, fully certified by Qualcomm and LDAC. This enables the new Qualcomm aptX Adaptive and aptX HD audio codecs, delivering wireless lossless Bluetooth audio at CD-quality 16-bit 44.1 kHz, and high-resolution audio at 24-bit 48kHz and 96kHz, on wireless earbuds and headphones.
The M18i ensures crystal-clear voice quality and call stability with Qualcomm's cVc Generation 8.0 call solution with ClearVoice Capture technology. Environmental noise is suppressed while providing clear sound to the user. The M18i also includes Infineon's flagship microphone, which can be used with wired headphones for voice calls. The microphone has a range of two meters.