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Questyle CMA Fifteen Headphone Amp and DAC Celebrates 15 Years

The Questyle CMA Fifteen Headphone Amp/DAC celebrates 15 successful years since the launch of the Chinese high-end audio brand.

Questyle CMA Fifteen Headphone Amp and DAC on Desktop

Questyle Audio Engineering, the innovative engineers who first transitioned the concept of current amplification from video to audio fifteen years ago via Current Mode Amplification, are commemorating their achievement with the release of their evolution flagship product, the CMA Fifteen.

Questyle CMA Fifteen Headphone Amp and DAC Front

Questyle’s patented Current Mode Amplification uses current, instead of voltage, to amplify audio signals, leading to tremendous performance differences when compared to traditional audio amplifiers.

The CMA Fifteen takes the already popular CMA Twelve ($1495 at Amazon) to new heights, becoming the first Questyle headphone amp and DAC to feature the ESS SABER ES9038PRO, the world’s highest performance 32-bit DAC available. Featuring unparalleled audio reproduction, brilliantly clear transparency, and massively open sound, the CMA Fifteen chases extreme performance to achieve system-level lossless purity.

When reflecting on the past 15 years and what the CMA Fifteen means for Questyle, Founder/CEO Jason Wong stated, “We’ve built upon these last 15 years of research to reach even further, and to bring Current Mode Amplification to its highest pinnacle yet with the CMA Fifteen. We have even spent the last three years of pre-research working with ESS on integrating the ES9038PRO.”

Questyle CMA Fifteen Headphone Amp and DAC Back Left

The CMA Fifteen includes new input options for modern listening methods, including Bluetooth 5.0 with LDAC support, USB Type-C, and analog RCA inputs, as well as the standard USB Type-B, S/PDIF, and optical inputs. The CMA Fifteen also supports up to DSD 512, PCM 705.6/768, and MQA full decoding, as well as Apple Music Hi-Res Lossless (up to 24-bit/192kHz) when connected to Apple devices via USB.

Questyle CMA Fifteen Headphone Amp and DAC Front Right

The multi-functional CMA Fifteen also has the ability to serve as either a DAC and integrated headphone amp, or as a DAC and preamp for an external stereo system, with its variety of output options.

These updates come in addition to maintaining the quality expected with all Questyle products, including true DSD, ultra-low distortion levels, and an elegant, timeless design.

You can even use the CMA Fifteen as an analog RCA amp/preamp when you want to enjoy your favorite vinyl records with the best possible reproduction. A great way to enjoy a near-field listening system.

Price & Availability

The Questyle CMA Fifteen (CMA15) has a MSRP of $2,499. As for availability, the company suggests contacting your local Questyle dealer.

Specifications

Input / output parameters

Questyle CMA Fifteen Headphone Amp and DAC Back

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

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PCM: 44.1kHz-768kHz/32Bit
DSD: Native DSD512; DoP DSD256
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.

Note: Windows system under Win10 will need to install the ASIO driver
developed by Questyle. Win10 system supports DoP DSD256 without
installing the driver, and supports Native DSD512 with the driver installed.

Analog Input:
RCA x 1, 2Vrms standard level

Headphone Amplifier Output:
6.35mm standard headphone jack x1
4-PIN balanced headphone jack x1
4.4mm balanced headphone jack x1

Note: 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:
XLR x 1
RCA x 1

Note: The output level can be set by Standard/Studio switch and
volume can be controlled by ADJ/FIX switch on the rear panel.

Headphone Amplifier Output Specs

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) @ 48kHz/24Bit SNR: 6.35mm: >117dB; 4.4mm balanced / XLR 4-PIN balanced: >120dB

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

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