QUESTYLE CMA 18P Portable DAC Headphone Amplifier

The Questyle CMA 18P is a compact, high-performance portable DAC/headphone amplifier featuring a high-performance AKM AK4493 DAC chip and a XMOS XU316 USB interface, mostly used in sedentary DACs. These chipsets enables the CMA 18P to support sampling rates up to PCM 32bit 768kHz and native DSD up to DSD512. The brand's proprietary CMA amplification technology with SIP CC630/CA630 chips (current-mode amplification) also provides the CMA 18P with considerable output power, up to 5W / 2A peak. A Bluetooth receiver chip also enables it to support high-definition Bluetooth codecs: aptX, aptX HD and LDAC. In terms of interface, the Questyle CMA 18P boasts extensive connectivity with USB-C input, mini-Toslink/jack 3.5mm cmbo and balanced jack 4.4mm inputs, as well as analog jack 3.5/4.4mm outputs and USB ADC output. The whole unit is powered by a 4500mAh battery offering over 10h of autonomy. Coupled with a smartphone, tablet or computer, this little DAC/headphone amplifier is an ideal ally for enjoying your music library or streaming services.

Questyle CMA 18P: ADC function

As well as being an efficient DAC, the Questyle CMA 18P can convert an analog signal into a digital one. This feature allows you to rip vinyl records, audiocassettes or your favorite radio programs, for example.

Questyle CMA 18P: a portable, sedentary DAC

Thanks to the Questyle CMA 18P's analog line-level inputs and outputs, it can be completely inserted between a streamer and the rest of your Hi-Fi system, transforming it into a sedentary DAC. This is made possible by using RCA to 3.5mm stereo jack or XLR to 4.4mm balanced stereo jack modulation cables. It can also be used as a Bluetooth receiver at the beginning of your Hi-Fi system, for quick and easy access to streaming services.