Questyle CMA15 (CMA Fifteen) Flagship Desktop DAC & Headphone Amplifier

The Questyle CMA15, also known as CMA Fifteen, is a flagship desktop DAC and headphone amplifier engineered for audiophiles and professionals who demand reference-grade sound quality, power, and flexibility. Built around Questyle’s patented Current Mode Amplification and a flagship ESS Sabre ES9038PRO DAC, the CMA15 delivers exceptional transparency, ultra-low distortion, and lifelike musical realism across headphones, active monitors, and full stereo systems.

Designed as a true all-in-one desktop audio hub, the CMA15 combines high-resolution digital decoding, powerful balanced headphone amplification, and precision preamplifier outputs in a refined, studio-grade chassis. Whether used for critical headphone listening or as the centerpiece of a high-end audio system, the CMA15 sets a new benchmark for desktop audio performance.

Key Features

• Flagship ESS Sabre ES9038PRO DAC
  Reference-class digital-to-analog conversion with support for ultra-high-resolution audio formats, delivering exceptional detail, dynamic range, and tonal accuracy.
• Questyle Patented Current Mode Amplification
  Fully discrete, symmetrical current-mode amplifier circuits provide lightning-fast transient response, ultra-low noise, and vanishingly low distortion for pure, natural sound reproduction.
• High-Power Balanced Headphone Amplifier
  Multiple headphone outputs including 4-pin XLR balanced, 4.4mm balanced, and 6.35mm single-ended, capable of driving demanding planar and high-impedance headphones with authority and control.
• Comprehensive Digital and Analog Connectivity
  Dual USB inputs, optical and coaxial digital inputs, analog RCA input, and Bluetooth connectivity make the CMA15 compatible with computers, streamers, CD transports, and mobile devices.
• Precision Preamp Outputs for System Integration
  Balanced XLR and unbalanced RCA preamplifier outputs allow the CMA15 to function as a high-performance preamp for power amplifiers or active speakers.
• High-Resolution Wireless Audio Support
  Built-in Bluetooth with high-quality codec support provides convenient wireless listening without compromising sound quality.
• Professional-Grade Build Quality
  Rigid metal chassis, premium internal components, and intelligent protection circuitry ensure long-term reliability and stable performance.

Technical Specifications

DAC Section
DAC Chipset: ESS Sabre ES9038PRO
PCM Support: Up to 32-bit / 768kHz
Native DSD Support: DSD64 / DSD128 / DSD256 / DSD512
MQA: Full decoding supported

Digital & Analog Inputs
USB-C (high-priority)
USB-B
Optical S/PDIF
Coaxial S/PDIF
Analog RCA line input
Bluetooth wireless input

Headphone Outputs
6.35mm single-ended
4.4mm balanced
4-pin XLR balanced

Headphone Output Power
Single-Ended:
– 188 mW @ 300Ω
– 1.5 W @ 32Ω

Balanced (4.4mm / XLR):
– 765 mW @ 300Ω
– 2 W @ 32Ω

Headphone Amplifier Performance
Total Harmonic Distortion + Noise:
– <0.0003% @ 300Ω
– <0.001% @ 32Ω

Frequency Response: DC – 22kHz (±0.2dB)
Signal-to-Noise Ratio:
– >117 dB (single-ended)
– >120 dB (balanced)

Preamp Outputs
RCA: 2 V (standard mode)
XLR: 4 V (standard mode)
Low distortion and high signal-to-noise performance suitable for studio and audiophile systems

Power & General
AC Input: 100–120V / 220–230V switchable
Power Consumption: <30 W
Dimensions: 330 × 200 × 55 mm
Chassis: Precision-machined metal enclosure
Controls: Gain and bias adjustment for optimal headphone matching

Why Choose the Questyle CMA15?

The Questyle CMA15 flagship DAC and headphone amplifier is built for listeners who refuse to compromise. With its combination of current-mode amplification, ES9038PRO reference DAC, high-power balanced outputs, and versatile connectivity, the CMA15 delivers a level of performance normally reserved for separates — all in one elegant desktop component.

Ideal for high-end headphone rigs, studio monitoring, and audiophile stereo systems, the Questyle CMA15 offers unmatched clarity, control, and musical realism, making it a true centerpiece for serious listening environments.