The CMA 400i combines a high-quality preamplifier, a brilliant DAC, and a powerful, flexible headphone amp in one compact, attractive component.
The CMA 400i allows inputs from a computer or traditional digital sources via multiple inputs, and can be used as a stand-alone preamp with both single-ended and balanced outputs. The DAC processes PCM signals up to 32-bit/384 kHz, and DSD up to 256 is handled natively by Questyle’s exclusive True DSD processing.
The headphone amplifier uses another exclusive Questyle technology, Current Mode Amplification, with multiple gain settings and both single-ended and balanced outputs, to drive any headphone or IEM to perfection. The unit can also stand upright on the base provided, to minimize the space used on a desktop.
The CMA Twelve is Questyle’s flagship preamp/DAC/headphone amp. It incorporates four stages of CMA amplification and both single-ended and balanced headphone jacks, ensuring optimum performance from the most-demanding headphones and IEMs.
The DAC uses a state-of-the-art AKM chip to process PCM up to 32-bit/384 kHz, and True DSD processing yields a pure DSD signal up to 256, without conversion to PCM or DoP. The CMA Twelve’s elegant enclosure is anodized in black, and is precision-machined from 10mm aircraft grade aluminum, eliminating concerns about vibration and resonance. With sound quality that will please any audiophile and versatility that make it useful in professional studios, the CMA Twelve will be a welcome addition to any audio system.
The "Master" edition of the CMA Twelve takes this stunning unit to an even higher level of performance with the adoption of ceramic circuit boards and optimized components. Ceramic circuit boards provide the ultimate in thermal stability, electrical insulation, and low dielectric loss; they are quieter, better-isolated, and more stable over time. They deliver even more dynamic performance for decades to come.
The second generation of Questyle’s Digital Audio Players, the QP2R has received rave reviews worldwide, based upon its stunning sound quality, storage capacity of up to 2 TB, and ease of use. CNC-machined from solid aircraft-grade aluminum, anodized in space gray, and encased in durable Gorilla glass, the QP2R is a pleasure to hold and to use, with a diamond-knurled volume control and intuitive control wheel.
Questyle’s exclusive Current Mode Amplification provides incredible dynamics and vanishingly-low distortion; and adjustable settings for gain and bias control, along with both single-ended and balanced outputs, ensure a perfect match with any headphone or IEM. Finally, a 10-hour battery life makes the QP2R a suitable companion for a full work day, or even the longest flights.
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, a 10-hour battery life and external memory up to 2TB make the QPM useful in the studio, or as a companion on long flights.
The HB2 system provides a convenient plug-and-play docking connection for the QP2R or QPM to any audio system. With both analog and digital outputs HB2 can connect to any conventional preamplifier or DAC, or as a direct input to powered speakers, allowing ultimate versatility while retaining the portability of the DAPs.
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