Questyle CMA18 Portable Headphone Amplifier and DAC

Questyle CMA18 Portable Headphone Amplifier and DAC Product Description: 

Design and Craftsmanship

Introducing the CMA18 Portable DAC and Amp from Questyle, ingeniously crafted to transform smartphones and laptops into a high-fidelity sound system that rivals the quality of the finest desktop setups, all within a mobile framework. The CMA18 Portable stands out with its meticulously sandblasted aviation-grade aluminum body, complemented by lustrous silver buttons and side panels. It features bespoke Corning glass on both the front and back adorned with a unique gradient dot pattern and is finished with an RF signal suppression coating, marrying distinctive aesthetics with its robust performance ethos.

The design prioritizes superior audio fidelity. The warm, amber-hued LEDs inside harmonize with the glass exterior upon activation, accentuating the CMA18 Portable's unmatched design and commitment to audio excellence in a compact form, ensuring users not only hear the difference but see and feel it too.

Performance

The CMA18 Portable is equipped with four sets of patented PCT-class current-mode SiP chips, each boasting a peak power output of up to 5W and a peak current of 2A. This powerful configuration ensures robust driving capabilities. The integration of gain settings with advanced high-energy current-mode amplifier technology offers both potent and adaptable performance, catering to a wide range of audio needs.

At its core, the CMA18 Portable utilizes the latest XMOS XU316 platform alongside the AK4493 DAC chip, enabling high-definition D/A conversion up to PCM768/DSD512. The device features four sets of in-house developed, current-mode PCT patented SiP chips, the CC630/CA630, achieving unparalleled power efficiency in the industry. This, combined with a 4.4mm headphone output and the option to switch between high and low gain modes, fully unleashes the capabilities of both in-ear monitors (IEMs) and premium over-ear headphones, ensuring users experience the utmost audio quality without compromise.

Clean From the Source

The CMA18 Portable is powered by a 4300mAh lithium battery, featuring a sophisticated power management system that guarantees the purest sound quality by isolating its top-tier performance from the varying power supply dependencies of smartphones and PCs. This dedicated approach to power management ensures that the device delivers consistent, high-quality audio performance, independent of the power characteristics of the connected source device, allowing users to enjoy an uninterrupted, premium audio experience regardless of their chosen playback device.

Analog Input Function

The CMA18 Portable features dual stereo line-in inputs, accommodating both 3.5mm and 4.4mm connectors, making it highly versatile for connection to a wide array of audio equipment with line-out analog outputs. This includes turntable systems, pre-amplifiers, mixing consoles, among others. Upon connection, the CMA18 Portable excels as an external, lossless, high-performance analog-to-digital interface for any of these input sources. Moreover, it provides the functionality for users to monitor the input in real-time during the recording process through either the 3.5mm or 4.4mm outputs, ensuring a seamless and high-quality audio production experience.

Expandability

Acknowledging the availability of high-resolution lossless streaming on smartphones and PCs, the design and functionality of the CMA18 Portable have been meticulously crafted with audiophiles, as well as recording and music production enthusiasts, in mind. Its user-friendly interface, combined with its formidable performance capabilities, make the CMA18 Portable an essential tool for connecting to 2-channel HiFi devices, thus delivering pristine, lossless music to your living space. Furthermore, it caters to the professional needs of those in recording and music production by facilitating easy connections to monitor speakers and mixing consoles on-site, enhancing the creative process with its high-quality, reliable performance.

Specifications: