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Questyle QP1R
High End Digital Audio Player

Stunning high-end digital audio player at a real-world price, the Questyle QP1R is built beautifully and sounds amazing!

Questyle sparked upon a plan to design a high-resolution portable music player (DAP). For their first DAP, they set an almost impossible goal. That was, to make it possible, for true music lovers and professional audiophiles, to enjoy the same Hi-Fi listening experience achieved in state of the art home based systems, in a portable body. This means, the circuit design, the device, the system architecture, as well as, the industrial design and processes, must all be reconsidered all. They looked forward to it, as not just portable Hi-Fi equipment, but, as the future of Hi-Fi itself.

An Impressive arc body with a twin steering wheel design, supporting DSD128 and 24/192kHz PCM files, pure class A (discrete transistors and components) headphone amplifier, incorporating Questyle Audio's patented "Current Mode Amplification" to ensure warm and powerful sound. All this makes the QP1R a masterpiece of portable DAP design.

The Arc body of the Questyle QP1 & QP1R is so elegant. A machined aluminium body is merged with a Gorilla glass, front and back, reducing weight while increasing durability and providing a better environment for EMI sensitive circuits.

The innovative continuous whole surface design, the hollow guard, the curved glass machining, the assembly of superimposed surfaces of glass and aluminium composite materials, the CNC machining and assembly to a severe test of specification, all of which are combine to make a beautiful and stylish enclosure.

Broad file support for most popular audiophile formats

The Questyle Audio QP1R supports ALAC, APE, FLAC, AIFF, WAV, WMA Lossless up to 24bit/192kHz and high-Res audio files such as DSD128 and DSD64. Playback of these file types reveals much more of the original sound recording than that of MP3 players or smart mobile phones. As a hi-end portable DAP, the QP1r needed to reproduce audio from these files at the same high level as the studio recording, but at very low power consumption.

The Questyle Audio QP1r follows the same 3x clock design of the Questyle Audio CAS192D. The 3x clock USB asynchronous transmission guarantees a more stable and precise operation. The 3x clock integrated circuit with FIFO asynchronous structure and 3 voltage-stabilised power stages ensure accurate sound. With the Cirrus Logic flagship DAC (CS4398) chip, this DAP is able to capture more detail hidden within the music.

"Current Mode Amplification"  Headphone driver technology - A legend of Questyle

There is fierce competition between High-Res DAPs and Hi-End smart phones, so Questyle Audio used their highly regarded flagship headphone amp, the CMA800R, as a reference point. The "Current Mode Amplification" technology from the CMA800R is merged into the QP1R to drive virtually any headphone. Hi-End audio amplifiers are traditionally designed using all discrete components.

With no expense or effort spared, this design protocol is applied to the Questyle Audio QP1r and is combined with Questyle’s “Current Mode Amplification” PCT patents, and an all class A architecture. Such a design, with an output impedance of less than 0.19 ohms, makes it easy to drive 8ohm in ear monitors through to 300ohm in dynamic headphones. With three gain modes low to high impedance headphones can be gain matched for optimal performance.

Incredible auditioning process resulting in superb reference quality

The helm style volume control and the machined aluminium hollowed-out protective crown, inspired by a fine watch design, protects against inadvertent volume change and accidental damage to headphone plugs, while carried in a pocket or a case.

Another feature is the "Steering Wheel" control for menu, allowing a quick track selection of the QP1r.

A maximum storage capacity of 288GB (32GB internal, plus 2x 128GB Micro SD) means hundreds of albums in your pocket. With two swappable micro SD cards take your whole music collection along with you.

The 3300Mah battery supplies up to 10 hours playback time whilst the universal micro USB jack allows charging anytime, anywhere and supports listening while charging.

    Patented "Current Mode Amplification" in headphone AMP, all discrete components.

    Pure Class A circuit.

    File Format Support:

    WAV, FLAC, ALAC, APE, AIFF, ADPCM, LPCM, MP3, WMA,WMA Lossless, OGG, AAC, DFF, DSF

    Sample Rate:

    PCM Native: 44.1 kHz - 192 kHz(16bit/24bit)

    DSD Native: DSD64(1bit 2.8MHz)/DSD128(1bit 5.6MHz)

    DAC:Cirrus Logic CS4398

    Output:3.5MM headphone output, 3.5MM line out & optical output

    Frequency Response: 20Hz-20 kHz(?0.1dB)

    THD+N = 0.0006%

   Output Impedance :

    QP1R: 0.15?

    Memory:

    Internal: 16GB(QP1)/32GB(QP1R),

    External: supports Micro SD card 2*128GB

    Battery:3300mAh Li-polymer, 8-10 hours

    Charge Current/Time:  Via PC USB connection @ 450mA,  8 hours

                                            Via Charger @ 2A, Charging Time: 4 hours

    Body :CNC cutting aluminum case, Available in Space Grey/ Gold

    Headphone AMP Output Power

    Gain = High

    Max Output Amplitude:  Vout=1.9V rms

    Output Power:  Pout=40mW @32?

                           Pout=12mW @300?

    Gain=Middle

    Max Output Amplitude : Vout=1V rms

    Output Power:  Pout=31mW @32?

                           Pout=3.5mW @300?

    Gain=Low

    Max Output Amplitude :  Vout=0.53V rms @32?

                                         Vout=0.51V rms @16?

    Output Power:  Pout=8.8mW @32?

                           Pout=16.3mW @16?

 

 
 
 
 
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