Questyle CMA 18 Portable DAC/Amp
Best portable amplifier for audiophiles seeking desktop-grade sound on the go.
Elevate your mobile audio experience with the Questyle CMA 18 Portable DAC/Amp. Designed to bring desktop-class Hi-Fi performance to your smartphone or laptop, this compact device boasts a premium build of aviation-grade aluminum and Corning glass. It features four patented PCT-class current-mode SiP chips and an AKM AK4493 DAC for exceptional sound. Enjoy high-resolution audio, advanced Bluetooth codecs, and over 10 hours of battery life. The Analog Input Recording Function adds versatile recording capabilities, making it your ultimate portable Hi-Fi companion.
$699.00
Owner Satisfaction
4.5
/ 5
Category Rank
410
/ 807
#410 in Headphone Amplifiers
Price vs Category Average
-50%
Below average
Maximum Headphone Output Power (Balanced)
100032
/ mW@Ω
Who it's for
- Audiophiles prioritizing pristine, ultra-low distortion sound reproduction
- Listeners using demanding, high-impedance planar magnetic headphones
- Desktop users requiring versatile connectivity for complex audio setups
Who should skip it
- Casual listeners seeking budget-friendly entry-level audio gear
- Commuters needing a lightweight device for pocket portability
- Travelers requiring long battery life for extended listening sessions
Performance breakdown
Driving Power
Balanced output delivers desktop-grade authority for even the most demanding headphones.
Audio Fidelity
Current-mode amplification provides exceptional transparency and precise high-resolution signal reproduction.
Build Quality
Aviation-grade aluminum and Corning glass create a robust, premium tactile experience.
Connectivity Versatility
Comprehensive input options handle everything from digital streaming to analog recording sources.
Portable Endurance
Ten hours of battery life keeps high-fidelity audio playing all day long.
Wireless Performance
Support for LDAC and aptX HD ensures high-quality streaming without cables.
Key Specs
Maximum Headphone Output Power (Balanced)
1000mW@32Ω
Total Harmonic Distortion (THD+N)
<0.0003%@20mW, 300Ω
Signal to Noise Ratio (SNR)
>120dB
Battery Life
Over 10 hours playback
Maximum Digital Support
PCM768kHz/32-bit and DSD512 Native
Inputs
USB-C, Optical/TOSLink, 3.5mm Line-In, 4.4mm Balanced Line-In
Outputs
3.5mm SE, 4.4mm Balanced
Build Materials
Sandblasted aviation-grade aluminum and custom Corning glass
Features
- Flagship mobile DAC/amp performance
- Four patented PCT-class SiP chips
- AKM AK4493 DAC and XMOS XU316
- High/low gain switching
- Bluetooth with aptX HD and LDAC
- Over 10 hours of battery life
- Analog Input Recording Function
- Premium aluminum and glass construction
What customers say
The Questyle CMA 18 earns high praise for delivering powerful, desktop-level audio fidelity in a transportable format. Users consistently emphasize its superb technical performance, noting exceptional clarity and precise stereo imaging from its neutral sound signature. A major highlight is the robust power output, which effortlessly controls demanding headphones, including high-impedance and low-sensitivity planar models, maintaining dynamics even at high levels. While its size is substantial compared to ultraportable units, dedicated audiophiles feel the sonic excellence and build quality justify the premium price. The consensus is that this device is a top choice for those prioritizing uncompromised sound quality over ultimate portability or budget.
Know before you buy
Yes, the CMA 18 is compatible with a wide range of devices including Android, iOS, Windows, macOS, and Linux via USB-C, making it a versatile choice for both mobile and desktop setups.
The device features an analog input that allows you to record high-quality audio directly from external sources into your connected device, functioning as a portable interface for your smartphone or computer.
With a balanced output of 1000mW at 32Ω and high/low gain switching, the CMA 18 is designed to handle most demanding headphones with ease while maintaining low distortion.
Yes, the CMA 18 supports high-fidelity Bluetooth codecs including LDAC and aptX HD, allowing you to stream high-resolution audio wirelessly from your compatible devices.
You can expect over 10 hours of continuous playback on a single charge, which is sufficient for most daily commutes or extended listening sessions.
Questyle’s patented current-mode SiP (System in Package) technology is designed to provide ultra-low distortion and high-speed signal processing, resulting in a cleaner, more transparent sound profile compared to standard voltage-mode amplifiers.
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