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Questyle CMA400i balanced headphone amplifier and DAC

Questyle CMA400i balanced headphone amplifier and DAC
  • Questyle CMA400i balanced headphone amplifier and DAC
  • Questyle CMA400i balanced headphone amplifier and DAC Additional
  • Questyle CMA400i balanced headphone amplifier and DAC Additional
  • Questyle CMA400i balanced headphone amplifier and DAC Additional

Questyle CMA400i balanced headphone amplifier and DAC

£799.99
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Description


Questyle CMA400i balanced headphone amplifier and DAC

The Questyle CMA400i is a balanced headphone amplifier and DAC, a lovingly crafted and extensively tested product that exceeds all expectation.

Design

CMA400i, inheriting the state-of-the-art technology of Questyle Golden Reference System, is visually impressive and mysterious for its black and sandblasted chassis, and the amber light of LED indicators. CMA400i can be placed straight with a specially designed stand, which is not only space saving but also eye-catching for its statue-like structure under light. Lasered dots of volume scale, which is the DNA of Questyle product family, show the accuracy and specialty of operation. The "Function" switch on the front panel is to switch between "Headphone Amplifier" and "Pre-amplifier". A LED indicator will show you whether the working "Function" is "AMP" or "Pre-amp", namely, to focus on current function.

Technology

CMA400i can drive headphones in full-balanced mode as it features four groups of pure Class A Current Mode amplification circuits, and supports a 4PIN balanced XLR output, a 2.5mm balanced headphone jack and a 6.35mm standard headphone jack. In addition, the new design of Gain Control switch at the bottom of the chassis benefits CMA400i with perfect driving power for different headphones. CMA400i is designed with Questyle patented True DSD technology and AKM AK4490 DAC chip. It processes DSD signals without any PCM converting and provides True DSD. CMA400i is built with four groups of pure Class A Current Mode amplifiers and all discrete circuit, which achieves the ultra-low distortion level of 0.0006% and ultra-wide bandwidth up to DC-600kHz(+0,-3dB). The impressive technical performance together with a warm and powerful sound makes CMA400i comparable with a high-end headphone amplifier.


Specs


Craft

CMA400i's chassis is made of aircraft-grade Aluminum 6063 and manufactured by Foxconn, black and sandblasted chassis, which ensures that CMA400i remains at 55 degrees celcius, and even works in pure Class A status for a long time. Exquisite chassis edge, with elegant edge line, clock calibration volume knob, amber light feeling of LED indicators, all details telling Questyle strict requirement on manufacturing. Each panel passed fine machining by CNC device, tolerence under 0.02mm, volume knob tolerence under 0.005mm, processed with top level CNC standard.


Enclosure


System

CMA400i has a great capability for signal processing, supporting Win XP, Vista, Win7, Win8, WIN10 and MAC OS. When connecting to a computer, it is only responsible for sending data. So, everything related to sound quality will be guaranteed by CMA400i, no matter it is a song, a film or a game. The performance of a traditional Hi-Fi system can be much improved by CMA400i because of its completely separate DAC with optical and coaxial interfaces. Another distinctive feature of CMA400i is switching between "Headphone Amplifier" and "Pre-amplifier" by the "Function" switch on the front panel. In DAC mode, CMA400i supports RCA and XLR pre-amp outputs which can be selected by the ADJ/FIX switch on the rear panel.


Front


Back


Features

  • Output Interface features a 6.35mm standard headphone jack, a 4-PIN full-balanced headphone jack and a 2.5mm full-balanced headphone jack
  • Switchable voltages (100-120V or 220-230V)
  • Max Output Power is 106mW at 300 ohms and 980mW at 32 ohms for the unbalanced headphone jack, or 418mW at 300 ohms and 3920mW at 32 ohms for the balanced headphone jack
  • 279mm x 189mm x 55mm in size

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