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    • M12 Mobile Hi-Fi Headphone Amplifier with DAC
      • M12 Mobile Hi-Fi Headphone Amplifier with DAC
      • M12 Mobile Hi-Fi Headphone Amplifier with DAC

      Questyle Audio

      Questyle Audio M12 Mobile Hi-Fi Headphone Amplifier with DAC

      $149.00

        In stock (10) - 2-3 days Available in store: Check availability

        To greet mobile lossless music in the 5G era, Questyle released the M12, a mobile Hi-Fi headphone amplifier with DAC, which integrates  Questyle’s core technology and carries on the gene of mobile Hi-Fi feature. Free shipping to Continental US only!

        Product description

        To greet mobile lossless music in the 5G era, Questyle released the M12 in 2021, a mobile Hi-Fi headphone amplifier with DAC, which integrates  Questyle’s core technology and carries on the gene of mobile Hi-Fi feature. M12 allows all mobile phone users to break through limitations of technology, cost and size of the audio circuit integrated into mobile phones, and feel free to enjoy lossless music from streaming anytime in any place.

        Now, let M12 take you to your mobile Hi-Fi journey!

        Independent SiP Current Mode Amplifier Module Powerful Headphone Amp

        The patented “Current Mode Amplification” technology is the fundamental difference between Questyle’s hardware and other terminals. The amplifier is to a headphone system what the engine is to a car. As the “engine” amplifier, it has a crucial impact on the improvement of sound quality. Benefiting from our self-developed SiP Current Mode Amplifier module, M12 is free from the power limit of operational amplifier chips and provides a totally different sound performance with the ultra-low distortion level of 0.0003%. It has ultra-high current output power and excellent sound control. It will fully dig out the potentiality of your headphones.

        Smart Detection of Impedance Automatically self-adjust to fit your headphones

        ​When M12 is plugged into a headphone, the built-in smart detection system will start automatically to detect the headphone impedance and self-adjust to
        fit the headphone. Just like the auto shift of a car, M12 will self-adjust to high power level to drive high-impedance headphones with the Gain indicator showing red light, providing excellent dynamic performance. When driving low-impedance and high-sensitivity earphones, M12 will reduce the output level and accurately match their impedance, with the Gain indicator showing green light for low impedance.

        Questyle and ESS team spent two years developing the mobile headphone amplifier with DAC and it will perform better than expected. The logo of both Questyle and ESS are put on M12 in order to mark the first cooperation between the two companies. ES9281AC, the ESS flagship USB DAC chip built in M12, has decoding capability up to PCM 384kHz/32bit and DSD256. Whether it is the deepest bass sound of the organ in European cathedrals or the strongest bass and guitar melodies in hard rock, M12 will always be able to capture the details buried deep in the soundtrack.

         
         
         
        Support MQA Decoding

        MQA ( Master Quality Authenticated ): Questyle M12 includes MQA Renderer technology, which can connect to an MQA Core signal and complete the final unfold of an MQA file. The M12 LED glows magenta to indicate that the unit is rendering an MQA stream or file. This delivers the final unfold of the MQA file.

        MQA is a new technology which removes digital distortion and packages audio streams efficiently into files that are small enough to stream. It can be integrated into your audio products in a very smart way and achieves the highest quality playback. MQA delivers the original sound, in the highest quality, using less data, and authenticates provenance.

        Perfect Compatibility , Plug & play, enjoy your Hi-Fi journey

        M12 is fully compatible with Android 5.1 and above systems on popular smart phones and tablets. For PC, it supports Mac OS and Windows 10 version 18.3 and above with no additional driver installation required.

        Material: CNC machined aluminum
        Color: Black 
        Size: 51 mm [ L ] x 16.5 mm [ W ] x  8.1 mm [ D ]

        Operating System Required:
        Android phone and pad: Android 5.0 and above
        PC: Win10 1803 and above
        Apple cellphone: iOS ( You need to buy an OTG cable for Lightning to Type-C. )
        Apple computer: Mac OS

        DAC Capability of M12:
        PCM: 32kHz – 384kHz ( 16/24/32 Bit )
        DSD: DSD64 ( 1Bit 2.8MHz ) , DSD128 ( 1Bit 5.6MHz ), DSD256 ( 1Bit 11.2MHz )

        Output Power:
        Built-in smart detection circuit will automatically self-adjust the output power to fit different
        impedance of headphones.


        RL=16Ω,Po=46.11mW;
        RL=32Ω,Po=26.71mW;
        RL=300Ω,Po=12.26mW;
        When the detected impedance is less than 70Ω, M12 will self-adjust to low gain output.
        When it is more than 70Ω, M12 will self-adjust to high gain output.
        When it is more than 600Ω, M12 will automatically switch to 2Vrms line out.

        Frequency Response: ±0.1dB ( 20Hz-20kHz )
        THD+N: 0.0003%
        DAC: ESS flagship USB DAC chip ES9281AC

         

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