Questyle CMA600i DAC/Amp

CMA600i inherits Questyle Audio flagship headphone amplifier patent "Current Mode Amplification" technology, adopts all discrete circuit design, working in pure class A status. Thus it can provide best sound required ultra-low distrotion (0.00042%) and DC-600kHz (+0,-3dB) untra-wide frequency. Plus the high quality sound performance, CMA600i is capable to challenge world class Hi-end headphone amplifiers.

CMA600i selects AKM AK4490 as DAC chips. Different from other DAC chips, CMA600i is specially designed with a +/-7V ultra high voltage power regulator to independently provide power for AK4490, ensures CMA600i with ultra large dynamic range.

CMA600i USB input supports PCM 44.1k-384k /16-32bit signal, and True DSD64, DSD128, DSD256, DoP (DSD over PCM)64 ,DoP128 converting. It also supports 192kHz/24bit optical and SPDIF inputs.

CMA600i inherits Questyle patented "True DSD converting" technology. CMA600i drives program directly and processes DSD source code of PC, and CMA600i hardware provides special DSD channel to process the signal strictly under SACD standard.

CMA600i is designed with an independe Pre-amp, following "Current Mode Amplification" patent technology. The Pre-amp uses independent circuit, output with RCA and XLR cable, max amplitude with 4Vrms and 8Vrms separately. Volume control is handled in analog way with ALPS motor potentiometer. CMA600i is equipped with a remote control, convenient in driving active speakers.

On manufacturing, CMA600i is made in Foxconn factory under world top standard. Chassis is made of aviation aviation aluminum, assembled in CNCmultual bitstructure, 10mm in thickness to reduce resonance. Spikers are pure aluminum as well, specially tooled by Foxconn CNC machines. CMA600i provides space grey finishing, fashionable and also full of technology.

http://www.questyleaudio.com/product-600i