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Questyle QPM

$1,999.00

Questyle 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. Portable DAC & Headphone Amplifier Technology - Questyle’s patented Current Mode Amplification technology is set apart from other technologies adopted in traditional amplifiers.

Description
Specification
What's in the Box
Documents & Downloads

Audio Formats Supported: WAV，FLAC，WMA，MP3，OGG，APE (Normal/High/Fast)，AAC， ALAC，AIFF，DFF，DSF	PC OS Requirements for being Used As A Portable DAC： Windows XP / Windows 7/8/10 (32/64Bit) / iOS11/Mac OS X 10.7 or late
Sample Rate: PCM 32kHz – 384kHz (16/24/32Bit) DSD Native: DSD64(1Bit 2.8MHz), DSD128(1Bit 5.6MHz), DSD256(1Bit 11.2MHz)	Memory：Internal: 64GB; External: Micro SD card (Max. 2TB) x 1
DAC：AKM AK4490	Battery ：3100mAh, 3.7V Li-Polymer battery, 10 hours of battery life
Sample Rate: PCM 32kHz – 384kHz (16/24/32Bit) DSD Native: DSD64(1Bit 2.8MHz), DSD128(1Bit 5.6MHz), DSD256(1Bit 11.2MHz)	Display：IPS 2.4″ (Sharp LCM)
Outputs： Headphone out(3.5mm)/Optical out(3.5mm) /Full balanced out(4.4mm)	Operating System：Linux
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	Body Material：CNC machining aluminum, available in Black, 3D glass
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	Dimension：65[W] x 134[H] x 14.5[D] (mm)
Frequency Response：±0.17dB(20Hz – 20kHz)	Output Impedance：0.1Ω
S/N：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

1 * QPM
1 * Cloth bag
1 * QPM Quick Start Guide
1 * USB typeC cable
1 * Optical cable connector
1 * Silicone disc for the steering wheel
1 * Silicone patch for the OK button

Classic Lossless Player

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.

Design

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.

Current Mode Amplification

Questyle’s patented Current Mode Amplification technology

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.

0.00049%

THD+N

< 0.1 Ω

Output impedance

110 dB

SNR

Other Features

Questyle Techonology Never Let you Down

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.

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.

4.4mm Full Balanced

Portable DAC & Headphone Amplifier

In addition to just being a player, QPM can be used as a DAC for mobile phones
via USB connector and it will provide you with significantly improved sound.