QUESTYLE PRODUCT SPECIAL


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Questyle is one of trusted audio brands in the market and they are known for being innovative and producing some high quality  products which are meticulously constructed and well-engineered, from flagship-grade desktop amplifiers up to small headphone amp dongles.


Questyle also known as Shenzhen Questyle Technology Co. Ltd. is an independent audio company that was established at Shenzhen, Guangdong, PRC in the last month of 2012. As an audio company, they are laser-focus on their research and development of advanced audio technology. Their main goal is to help audio enthusiasts to understand some of the advances of their high-tech audio products with some groundbreaking audio technologies that will be beneficial in their pursuit of an immersive high-fidelity audio experience.


Speaking of groundbreaking audio technologies, Questyle holds over 50 patents under their belt along with some recognition and awards from prestigious award-giving bodies in audio technology around the globe as a testament for their technical excellence and innovation. Their main proprietary technologies that put Questyle in the attention of discerning audiophiles is the Current Mode Amplification Technology also known as CMA and QAT Wireless Audio Platform. The former is SiP module with quad function amplification engines whose functionality is to deliver a high signal processing comparable to a performance of a Class A amplifier which is clear, detailed and well-reproduced accurate audio quality with just a modest amount of power consumption while achieving an ultra-low distortion performance, while the latter is Questyle's proprietary technology for their high performance lossless wireless solution that offers low latency for a more immersive audio experience for better power consumption, improvements on size and bandwidth and a stable synchronisation signal transmission between peripheral and host devices.


QUESTYLE M18i is the latest model coming from their M Series of headphone amp and the successor model of the M15i. But Questyle added some features on this and its overall physical aspect is a bit larger compared to its predecessors.


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These are some of the following highlight features of Questyle M18i that differentiate itself from previous M series models.


  • Features a Bauhaus-style aesthetics on its overall design.
  • Larger CNC-machined anodised aluminium alloy chassis.
    Single button for different operation modes; PC, Bluetooth and Phone modes.
  • Compliant to Apple’s MFi certification to ensure high performance and a seamless compatibility with their devices’ software and services.
  • Implementation of the latest Qualcomm Bluetooth 5.4, which is fully updated with some of the latest and advanced lossy and lossless bluetooth audio codecs like aptX, aptX HD, aptX Adaptive, LE Audio and LDAC.
  • Latest generation of XMOS XU316 for better transmission of audio signal in tandem with DAC chip and full compatibility to devices like smartphones, tablets, PCs and even video game consoles.
  • Professional TTA triple-decoding architecture for perfect audio quality.
    Global-patented CMA SiP module with ultra-low distortion rating of 0.0002%.
  • Implementation of Infineon’s latest MEMS microphone that supports HD calls, better input of audio signal processing and some of their advanced noise reduction technology that features  high signal-to-noise ratio, extremely low distortions even at the high pressure level for tighter phase and better sensitivity matching.
  • Dual port design with manual gain mode for personalised tuning.



Other Product Specifications:


Material & Colour


Casement: CNC-machined anodised aluminium alloy

Colour: Black


Dimensions


Length - 75mm

Width - 35mm

Diameter - 14.5mm


Supporting Devices & Compatible Operating Systems


Smartphones and Tablets:


Android Phones - at least Android 5.0 (Lollipop) or later

Huawei Phones - all versions of HarmonyOS

iPhones - all iOS versions

iPad - all iPadOS versions

(Note: for older iphone models with Lighting interface ports, Questyle LTC02 module is a must by purchasing it separately and it is fully certified with Apples’s MFi standard.


PC and Laptops:


Windows OS - at least Windows 10 with an 18.3 version or later

Mac OS - all MacOS versions


Bluetooth


Bluetooth version: Bluetooth 5.4

Bluetooth codec support: AAC, SBC, aptX, aptX HD, aptX Adaptive, LDAC, LE Audio


Microphone


HD microphone: Infineon XENSIV MEMs chip

Other functions: Supports voice calls


Battery


Battery Capacity: 500mAh


Audio Decoding Capabilities:


PCM - (16/24/32bit) 44.1kHz - 384kHz

DSD - DSD64 - DSD256


Output Ports


3.5mm single-ended headphone jack

4.4mm balanced headphone jack


Output Power


4.4mm balanced output -  28mW @ 300ohms



DAC Chip & Frequency Response


Brand: ESS Technology

DAC model:ES9219Q x2

Effective Frequency Response: +0.1dB (20Hz-20kHz);+2dB (20Hz-80kHz)-THD + N: 0.0002%



Good news for audio enthusiasts out there. Questyle will offer a discount of 10% off on the first 100 people who will purchase the M18i. I'll provide a non-affiliated link below.


LINK:

https://questyleshop.com/products/questyle-m18i



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