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Related Manuals for Questyle Audio CMA800i
Summary of Contents for Questyle Audio CMA800i
- Page 1 CMA800i DAC with Headphone Amplifier www.questyleaudio.com...
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Page 2: Table Of Contents
Contents Check List ..................Front View ..................Rear View ..................Current Mode Amplification Technology ........True DSD Technology ..............Standard USB Asynchronous transmission........PCM Version Digital Filters ............PC System Requirement .............. Install Driver Program under Windows OS ........Core Audio Stream Technology ........... -
Page 3: Check List
Volume control adopts a ALPS27 potentiometer working in In May 2014 the Munich High-end Audio show, CMA800i is officially launched to pure analog format, supporting remote control, as well more suit for supporting international market. Since design stage, CMA800i is set as an integrated DAC, active speakers. -
Page 4: Front View
In DSD mode, digital filter says “NO” AC power supply Internal &External switch. When the switch bar is moved to “External”, CMA800i is used a pure headphone amplifier; when it’s moved to “Internal”, CMA800i internal DAC works and becomes an all-in-one model. -
Page 5: Current Mode Amplification Technology
Current Mode Amplification, same as Voltage mode, also take transistors as ampli- as well as the Questyle Audio CMA800i’s digital filters, to provide True DSD, the fication components. But the amplification circuit loop is totally different from that in... -
Page 6: Pcm Version Digital Filters
Different digital filters have different impulse responses and group delay, creating options of the Questyle Audio CMA800i will be: different subjective listening experiences. On the front panel of CMA800i, there is a - IIR Apodisting DFR button providing 5 different digital filters for user to choose. Among the five - IIR soft-knee digital filters, the pulse responses of IIR and FIR are totally different. -
Page 7: Pc System Requirement
PC System Requirement 5) PC Configuration Requirements (If you don't use the USB input function of CMA800i, you won’t need the following Win XP (SP2 or SP3), Vista, Win7 32bit/ 64bit or Mac OS 10.5.7 or later operating settings) system. At least one USB port. A quality USB2.0 high-speed cable of type A plug to type B plug. -
Page 8: Install Driver Program Under Windows Os
1) Power on the Questyle Audio CMA800i 2) Plug the USB cable into the Questyle Audio CMA800i and into an available USB port on the PC, connecting PC and the Questyle Audio CMA800i. 3) Open the DSD-1.05-(CR) folder on the included CD and click “... -
Page 9: Core Audio Stream Technology
5) Click "Finish" and restart the PC. The Questyle Audio CMA800i supports ASIO and KS on Win 7, Vista, Win XP systems, and supports WASAPI audio output on Win7 32Bit/64Bit, Win8 32Bit/64Bit operating system. For example, when you enable WASAPI + Exclusive... - Page 10 2) Click “Add...”, then next screen click “Browse”, find the file where the music stays, then click “OK” to complete it.
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Page 11: Setup Dsd On Jriver Media Center
2) In “Audio” --”Audio Device”, choose “ASIO for C-Media USB Device [ASIO]” 3) Click “Device settings” menu to find ASIO setting sub menu, click “Open Driver Control Panel”, bit-depth choose “24/24 bits”, Latency “10ms”, click “OK”. 3）With above setting, now CMA800i can play the music files from PC (exclude DSD files);... - Page 12 5) Remove all the selected options, then close it. 4) In “setting” menu, click “DSP & Output format” 6) In “Bitstreaming: None (recommended)” menu, choose “Custom..”...
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Page 13: Installation In Mac Os
USB 2.0 High-Speed firmware, so it doesn’t need to install the Questyle Audio CMA800i driver program. The Questyle Audio CMA800i works with standard USB Asynchronous transmission. When PC is USB linked to the Questyle Audio CMA800i, user needs to set sound output as “Questyle Hi-end USB Audio”. -
Page 14: Specification
Specification 1. Do not use your CMA800i in a hot or humid environment. Headphone Amp section (External Format) 2. Unplug your CMA800i in lightning weather or during a long period without using. Gain 11.8dB (3.9times) 3. Do not have your CMA800i covered by anything.
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