High-Res Portable DAP Music Player
High-Res Portable DAP Music Player
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QPM is the ultimate DAP (Digital Audio Player), and takes the now-familiar Questyle architecture, impeccably machined from 6063 aluminum, and wraps it in 3D glass and an exclusive black anodized finish. QPM incorporates Questyle’s proprietary Current Mode Amplification and Pure Class A BIAS control, and takes them to levels of performance that reach the limits of laboratory test gear: 0.00049% total harmonic distortion + noise, and an astonishing 110dB signal-noise ratio.
Increased power ensures that the QPM will drive any headphone or IEM, via standard 3.5mm single-ended output, or the increasingly-popular 4.4mm fully-balanced output. A full range of digital inputs and audio formats are supported, with PCM processed up to 32-bit/384 kHz, and DSD natively processed up to 256 without conversion to PCM or DoP.
Adding to its versatility, the QPM can connect via USB to mobile phones and used as an external DAC and headphone amplifier, providing greatly improved sound. Finally, 10-hour battery life and external memory up to 2TB make the QPM useful in the studio, or as a companion on long flights.
Quest has no limits. QPM, the flagship portable lossless player of Questyle, beyond itself once again.The more complicated the world is, the more concise we are. We hope you can enjoy high-quality music in an easy way anytime and anywhere
Inheriting Questyle’s distinctive design style, QPM is visually impressive for its tucked twist, curved surfaces and smooth lines, as well as a more comfortable grip.
Different from the last two generations of Questyle players, 3D glass is first time used for the front and the rear panel of QPM. By overcoming various challenges of processing, different materials are combined together perfectly, which makes QPM a work of art.
Your Portable Music Hall
The Portable Lossless Audio Player, QPM, can be used independently and loaded with tens of thousands of lossless music files, which will become a music hall in your pocket.
Portable DAC & Headphone Amplifier
In addition, QPM can be used as a DAC for mobile phones via USB connector and it will provide you with significantly improved sound.
Super Source System
QPM can connect with the Super Source System. Simply plug in the Super Source System and press the play button, you can enjoy beautiful music in the simplest way.
Super Source System has a full range of input and output interfaces, supporting digital signals, balanced and unbalanced analog outputs. Besides, Super Source System supports professional interfaces of AES and XLR that are used in recording studios. In the Studio mode, the power level will increase from 14dBu up to 20dBu instantly.
QPM also can connect with HB2 system. When QPM is connected to HB2, the professional analog and digital output interfaces of QPM can connect with any traditional speaker system, match with active speakers or other digital equipment.
Questyle’s patented Current Mode Amplification technology is set apart from other technologies adopted in traditional amplifiers. It will provide users with an experience of being there and listening to the original sound.
QPM uses CA630 and CC630, the pure Class A Current Mode Amplification modules featuring fully discrete structure and SIP (System In Package). Benefit from the SIP process, the output power of QPM increases by nearly a half compared with QP2R, and the quietness increases by two and a half times.
QPM with the High BIAS setting indicated by red light of the BIAS indicator on the side of QPM, the amplifier works in pure Class A state and provides endless energy for the amplifier. Plus the 4.4mm full-balanced output, QPM will give full performance to your headphones and bring you an exceptional listening experience.
Pure Class A BIAS Control
QPM supports pure Class A BIAS Control system. With the High BIAS setting, the output static current doubles, the THD+N and higher harmonic distortion drop to the lowest level, which is like driving a super sport car, just imagine the car is set to "RACE" mode.QPM immediately attains stronger power and quicker responses, enhancing the performance dramatically.
Audio Formats Supported: WAV, FLAC, WMA, MP3, OGG, AAC, ALAC, AIFF, DFF, DSF, APE(Normal/High/Fast)
Sample Rate: PCM 32kHz - 384kHz (16/24/32Bit), DSD Native: DSD64(1Bit 2.8MHz), DSD128(1Bit 5.6MHz), DSD256(1Bit 11.2MHz)
DAC: AKM AK4490 DAC chip
Outputs: Headphone out(3.5mm)/Optical out(3.5mm)/Full balanced out(4.4mm)
Output Amplitude: 3.5mm headphone jack: 1.9Vrms, RL=300Ω; 1.5Vrms, RL=32Ω/4.4mm headphone jack: 3.9Vrms, RL=300Ω; 2.3Vrms, RL=32Ω
Max Output Power: 3.5mm headphone jack: RL=32Ω, Po=74mW; RL=300Ω, Po= 13mW/4.4mm headphone jack: RL=32Ω, Po=161mW; RL=300Ω, Po=51mW
Frequency Response: ±0.17dB(20Hz - 20kHz)
SNR: 3.5mm headphone jack: 108dB; 4.4mm headphone jack: 110dB
THD+N: 3.5mm headphone jack: 0.00055%@13mW(0dBFS 1kHz@48kHz 24Bit), RL=300Ω/4.4mm headphone jack: 0.00049%@51mW(0dBFS 1kHz@48kHz 24Bit), RL=300Ω
|Battery||3100mAh, 3.7V Li-Polymer battery|
|Battery Life||10 hours of battery life|
|Signal To Noise Ratio||3.5mm headphone jack: 108dB; 4.4mm headphone jack: 110dB|
|Supported Operating Systems||Linux|
|Built In Memory||Internal: 64GB|
|External Memory||External: Micro SD card (Max. 2TB) x 1|
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