CMA Fifteen Specification - Questyleshop

CMA Fifteen Specification

Audio specs are based on the test result from Audio Precision AP2722 in Questyle lab, not the theoretical values or the theoretical values of DAC chip.

AC Input:
100-120V / 220-230V (switchable) Power

Consuming:
<30W Size: 330*200*55mm (Jacks are not included.)

Digital Input:
USB x 2 (Including a high-priority USB Type-C interface and a USB Type-B interface.)

PCM:
44.1khz-768kHz/32bit

DSD:
Native DSD 512; DOP DSD 256

MQA:
Full / Core decoder USB input supports UAC 2.0. It supports Win XP, Vista, Win7, Win8, Win10, Linux, MAC OS and other operating systems. It also can be connected to smartphones supporting OTG audio output.

 

Windows system under Win10 will need to install the ASIO driver developed by Questyle. Win10 system supports DOP DSD 256 without installing the driver, and supports Native DSD 512 with the driver installed.

Optical Input x 1:
PCM: 44.1kHz~192kHz/24bit Coaxial Input x 1:PCM: 44.1kHz~192kHz/24bit Bluetooth Input x 1: SBC, AAC, LDAC (At the highest level of 96kHz/24bit, 990kps/909kps)
Analog Input: RCA x 1, 2Vrms standard level
Optical Input x 1:
PCM: 44.1kHz~192kHz/24bit
Coaxial Input x 1: PCM: 44.1kHz~192kHz/24bit Bluetooth
Input x 1: SBC, AAC, LDAC (At the highest level of 96kHz/24bit, 990kps/909kps)
Analog Input: RCA x 1, 2Vrms standard level

 

You can set High/Standard bias through the BIAS switch on the front panel of the headphone amplifier, and set Standard/Low gain through the four Gain switches on the bottom of the headphone amplifier.

Pre-Amp Output Interface: XLR x 1 RCA x 1
The output level can be set by Standard/Studio switch and volume can be controlled by ADJ/FIX switch on the rear panel.
Pre-Amp Output Specs Max Analog Output Amplitude: RCA: 2V (Standard), Studio mode output up to14dBu XLR: 4V (Standard), Studio mode output up to 20dBu THD+N: RCA: 0.0004% XLR: 0.0003% Frequency Response: ±0.2dB (DC-22kHz)@48kHz/24bit) SNR: RCA: >116dB XLR: >119dB Max Output Power: 6.35mm: 188mW @ 300Ω 1.5W @ 32Ω 4.4mm balanced / XLR 4-PIN balanced: 765mW @ 300Ω 2W @ 32Ω THD+N: <0.0003% @300Ω <0.001%@32Ω Frequency Response: ±0.2dB (DC-22kHz)@44.1kHz/24bit SNR: 6.35mm: >117dB 4.4mm balanced / XLR 4-PIN balanced: >120dB
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