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For our first DAP, we set ourselves 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. We 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&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, which makes the QP1 a masterpiece of portable Digital Audio Players. The 3X clock USB asynchronous transmisstion guarantees a more stable and precise operation. The three-clock integrated circuit with FIFO asynchronous structure and three voltage-stabilized power stages ensure accurate sound. With Cirrus Logic flagship DAC (CS4398) chips, the DAPs are able to capture more details hidden within music. In this era of fierce competition between High-Res DAPs and Hi-End smart phones, using Questyle Audio's highly regarded flagship headphone amp, the CMA800R as a reference and merging "Current Mode Amplificaton" technology is merged into a High-Res DAP, allowing QP1 to drive virtually any headphone. Hi-End audio amplifiers are traditionally designed using all discrete components. At no spared effort and expense, 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 output impedance of less than 0.19 ohms makes it easy to drive whether 8ohm in ear monitors or 300ohm in dynamic headphones. For headphones of low impedance especially lower than 36ohms, low gain mode is recommended; for headphones of high impedance, high gain mode is recommended.
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） QP1 THD+N=0.0006%
Output Impedance ： QP1: 0.15Ω
Memory： Internal: 32GB, External: supports Micro SD card 2*128GB
Battery：3300mAh Li-polymer， 8-10 hours Charge Current： Via PC USB connection @ 450mA, Charging Time: 8 hours
Available now Titanium Silver
See what the world is saying about the QP1R
“The [QP1R] sound is truly spectacular in delivery, musicality, balance and resolution,” Anthony Kershaw, Audiophilia.
“The QP1R is beautiful in appearance, and equally beautiful in sound quality with both hi-rez PCM and DSD files—I can confidently recommend it,” John Atkinson, Stereophile.
“Questyle's QP1R is a solid contender for the best in resolution… if you love music with driving rhythm and musical pyrotechnics then the Questyle QP1R is an excellent choice.” Steven Rochlin, Enjoy The Music.
“The Questyle Audio Engineering QP1R proved to be a Jack-of-All-Trades and a Master of All!” Eric Neff, Headphone Guru
“With its impeccable sound quality, flexible storage, and ability to drive a wide variety of headphones the Questyle QP1R ranks among the best portable players I’ve heard.” Steven Stone, The Absolute Sound.