Questyle M18i Portable Bluetooth Headphone DAC Amplifier

During the development of the M18i, Questyle Labs performed many tests to optimize compatibility with mainstream smartphones and tablets. With phones, the M18i is fully compatible with iOS, HarmonyOS, and Android. With computers, it supports Windows 10/11 and macOS, as well as PSP gaming consoles.

To surpass users’ expectations for DAC performance, the M18i comes with the latest ESS flagship ES9219Q DAC chip. Questyle and ESS engineers worked together to develop the TTA DAC framework, to take the performance of M18i to the limit of what's physically possible.


Spesifikasi :
Compatible operating systems:
- Android 5.1 and above
- Windows 10 18.3 and above
- iOS (support via Lightning with LTC02 adapter) macOS

Decoding:
- PCM: 44.1 kHz – 384 kHz (16/24/32 bit)
- DSD: DSD64 (1 bit 2.8 MHz), DSD128 (1 bit 5.6 MHz), DSD256 (1 bit 11.2 MHz)

Output connectors:
- 3.5mm (unbalanced)
- 4.4mm (balanced)

Output power:
- 3.5mm: RL=300Ω, Po=10.72mW, Peak Voltage 5.068V, THD+N=0.00032%
- 4.4mm: RL=300Ω, Po=42.79mW, Peak Voltage 10.13V, THD+N=0.00028%

Frequency range:
- ±0.1 dB (20 Hz – 20 kHz)
- ±1 dB (20 Hz – 80 kHz)
- THD+N: 0.00028%
- DAC: Cirrus Logic CS43198 DAC
- Case Material: Aluminum alloy with anodizing (CNC)
- Color: Silver
- Dimensions: 61.9mm (length) x 27.9mm (width) x 12mm (thickness)


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Beyond The Music contact :
0813.7000.9002 / 0813.7000.6807