Features

  

Desktop-Class Audio Performance in the Palm of Your Hand

Elevate your portable listening experience with the Questyle M18i Max. Engineered for audiophiles, critical listeners, and mobile enthusiasts, the M18i Max bridges the gap between ultra-compact dongles and full-sized desktop amplifiers. Featuring Questyle’s signature Current Mode Amplification, dual flagship ESS DAC chips, and ultra-lossless wireless streaming, it delivers pure, effortless High-Resolution audio wherever you go.

Key Features

  • Dual ESS ES9219Q Flagship DACs: Configured in a dual-mono decoding architecture paired with Questyle's Three-Tier Architecture (TTA) decoding framework for exceptional detail, wide dynamic range, and minimal distortion.

  • Patented Current Mode Amplification: Powered by two SiP modules housing four independent Current Mode amplifier circuits, offering massive driving force with smooth, organic tonality.

  • Lossless Wireless Streaming: Bluetooth 5.4 certified with Qualcomm Snapdragon Sound™ and Sony LDAC™, delivering seamless, high-bitrate wireless performance.

  • Official Apple MFi Certified: Guaranteed plug-and-play stability and optimal power distribution for iPhone and iPad devices.

  • Dual Outputs & Manual Gain: Built with standard 3.5mm single-ended and 4.4mm Pentaconn balanced outputs, complemented by physical gain adjustment to match everything from high-sensitivity IEMs to demanding full-size headphones.

  • Independent 1800mAh Battery: Up to 12 hours of Bluetooth playback or 7 hours in USB DAC mode without draining your host smartphone's battery. Features dual USB smart power management so you can charge and play simultaneously.

  • Crystal-Clear Calls: Built-in flagship Infineon microphone backed by Qualcomm cVc 8.0 noise reduction for crisp voice pickup during calls and meetings.

  • Crafted CNC Chassis: Precision-machined anodized aluminum body with a signature transparent window showcasing the internal circuit topography.


Product Specifications

SpecificationDetail
ModelQuestyle M18i Max
DAC ChipsetDual ESS ES9219Q
AmplificationQuestyle Patented Current Mode SiP Modules (4 Groups)
Audio InputsUSB-C, Bluetooth 5.4
Audio Outputs3.5mm Single-Ended, 4.4mm Balanced
Bluetooth CodecsLDAC, Snapdragon Sound™, aptX™, aptX™ HD, aptX™ Adaptive, AAC, SBC, LE Audio
PCM DecodingUp to 32-bit / 384kHz
DSD DecodingNative DSD64 / DSD128 / DSD256
Battery Capacity1800 mAh
Battery Life~12 Hours (Bluetooth) / ~7 Hours (USB DAC)
System CompatibilityiOS, Android 5.1+, Windows 10/11 (Driver-Free), macOS, HarmonyOS, Gaming Consoles
Dimensions3.39" × 2.17" × 0.59" (86.1 mm × 55 mm × 15 mm)

What's in the Box

  1. Questyle M18i Max DAC & Headphone Amplifier

  2. USB Type-C to Type-C Data/Charging Cable

  3. USB Type-C to Type-A Adapter

  4. User Manual & Warranty Card
warm note:

Please kindly keep in mind that we are a seller in China, and you are doing international business, so the delivery may take a bit longer time than your deals in domestic..
Please kindly leave  5 ★ DSR (detailed seller rating) and POSITIVE feed back to us if you are happy with the transaction, both of them are ultimatly important to us. if you are not happy, please DO communicate with us and let's have the opportunity to make you satisfied before you leave any non-five stars DSR, poor feedback and open any dispute/case.
 

You will be welcomed to communicate with us by eBay message system.  

Best regards.

 

Shipment
  •    Items will be shipped within 1 business day on payment received.
    •  
  •    Items are shipped from Hong Kong  using Airmail, reach most of the        countries within 10 to 20 business days.
    •  
  •    Delivery time depends on destination and other factors, it may takes up    to 20 business days.                                                  
Country

Delivery Time

Working Days (not                                                           including holiday)
5-7
8-11
12-14
15-19
20-22
>29
Working Days + Saturday                                                           + Sunday
5-9
10-15
16-20
21-25
26-30
>38
United States
Rate (item arrived)
5 .1%
50.1%
29.6%
10.5%
4.7%
Refund
United Kingdom
Rate (item arrived)
9.9%
63.2%
19.1%
3.4%
4.4%
Refund
Australia
Rate (item arrived)
21.4%
50.0%
14.3%
7.2%
7.1%
Refund
France
Rate (item arrived)
10.5%
28.6%
43.8%
10.1%
7.0%
Refund
Germany
Rate (item arrived)
11.1%
22.2%
30.3%
20.9%
15.5%
Refund
Canada Rate (item arrived) 0.0% 47.1% 31.4% 17.6% 3.9%

Refund

Spain
Rate (item arrived)
3.5%
25.0%
47.9%
12.9%
10.7%
Refund

  • Buyers are responsible for any customs duties if necessary.
    •    
  • We ship to PayPal registered address only. Please provide your correct detailed address and full name in PayPal.A phone number is recommended for more accurate delivery.
    •    
  • We will put legal effort to minimize any GST or V.A.T. or other Import Taxes. If applicable,however,any tax/duty would be excluded from the price.
    •    
  • Most items are shipped from China via Hong Kong by air mail (without tracking number) or registered post with tracking number, Shipment takes 6-45business days to arrive, tt ultimately depends on the courier service company.                            
  • we don't ship to Italy by economy shipping.if you want the item need choose express shipping.
    •    
  • We promise each item would be shipped, but sometimes less than 0.5% packages might be lost on the way, you could choose to let us resend a same item or ask for refund. 

Payment & Return Policy
  • We accept payment by Paypal Only.

DataCaciques