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RETURN POLICY

10 Days Replacement Policy for Manufacturing defects. Info All products are covered by 10 Day Replacement Guarantee. This product is eligible for a free replacement, in case you receive a damaged, defective or different item. Please keep the product in its original condition with all accessories & packaging for a successful return. We may contact you to assess the damage or defect before issuing a replacement. Accessories like cables and eartips are not backed up the manufacturer's warranty.

Please note that physical damage cases need to be brought to our notice within 24 hours.

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WARRANTY

1 Year Manufacturer's Warranty

Description

EXPERIENCE AUDIO EXCELLENCE WITH QUESTYLE CMA EIGHTEEN MASTER

The Questyle CMA 18 Master is top-tier audio gear with latest technology for the ultimate sound experience. Questyle's CMA series, known for its Current Mode Amplification Technology, saw a significant upgrade with the CMA Fifteen in 2020. Featuring the ESS Current mode DAC ES8038PRO and Current Mode Amplifier, it marked a shift towards full current processing. Now, the new flagship CMA Eighteen Master builds upon this legacy, offering refined design and enhanced performance for audio enthusiasts.

CURRENT MODE AMPLIFICATION TECHNOLOGY, ENHANCES AUDIO PERFORMANCE

Current Mode Amplification technology optimizes audio performance by offering superior signal integrity, improved dynamics, lower distortion, and increased efficiency compared to traditional amplification methods, providing a more immersive and high-fidelity listening experience. It enhances dynamics for detailed sound reproduction, minimizes distortion with direct current input, and operates efficiently to deliver more power while generating less heat, improving overall performance and longevity.

LATEST FLAGSHIP ESS SABRE ES9039 PRO DAC CHIP

The ESS Sabre ES9039 Pro DAC chip stands as one of the most advanced and acclaimed digital-to-analog converters (DACs) in the audio industry, renowned for its exceptional performance and fidelity. As the latest flagship DAC chip from ESS Technology, the ES9039 Pro represents a significant advancement in audio processing technology, setting new standards for high-resolution audio playback. supports playback of ultra-high-resolution audio formats, including PCM up to 32-bit/768kHz and DSD up to DSD512, enabling audiophiles to experience music with unprecedented clarity and detail.

FULLY BALANCED ARCHITECTURE DESIGN, MILITARY-GRADE ROGERS PCB MATERIAL

Explore the CMA Eighteen Master's headphone amplifier, showcasing a fully balanced architecture, APLS quad analog potentiometers, and peak current output capability of up to 3A. the design of the CMA Eighteen Master that facilitates a fully balanced architecture ensures better noise rejection, enhanced stereo imaging, and increased dynamic range, ultimately elevating the audio quality and delivering a superior listening experience to users. The use of high-quality, military-grade Rogers PCB material in electronic devices provides superior performance, reliability, and durability, making it an excellent choice for demanding applications where precision, stability, and ruggedness are paramount.

UPGRADED XMOS X316 USB & BLUETOOTH (APTX HD AND LDAC)

The CMA 18 Master is equipped with the XMOS X316 USB platform, allowing for D/A conversion up to PCM768/DSD512, providing exceptional audio quality, supports both USB-B and USB-C interfaces, eliminating audio quality degradation and unstable data transfer issues often associated with conversion adapters when connecting to devices with USB-C ports. the inclusion of both aptX HD and LDAC on the CMA Eighteen Master enriches the wireless audio experience by delivering high-quality sound, low latency, stable connectivity, and broad device compatibility, making it an ideal choice for audiophiles and music enthusiasts seeking a premium wireless listening experience.

Specifications

Brand
Questyle
Model Name
CMA Eighteen Master
Product Name
DAC and headphone Amplifier
DAC Chip
ES9039PRO
Digital Input
USB
USB-C and USB-B
PCM: 44.1kHz-768kHz/32Bit
Native DSD: DSD64, DSD128, DSD256, DSD512
DoP DSD: DSD64, DSD128, DSD256
USB Input Support: UAC 2.0
Supports: Win XP/Vista/7/8/10/11, Linux, Android, HarmonyOS, macOS and iOS
Note: Under Win10, will need to install Questyle's proprietary ASIO driver. Win10 system supports DOP DSD256 without driver, but supports Native DSD512 with driver installed
Optical + COAX
Supports PCM 44.1 kHz~192kHz/24Bit
Bluetooth
Supports BC, AAC, apt, aptx-HD, LDAC (up to 96kHz/24Bit, 990kps / 909kps)
Analog Input RCA
Standard level 2Vrms
Headphone Amplifier Output
4.4mm BAL
4-pin BAL
6.3mm
Note: High/Standard bias can be set via BIAS switch on front panel | STD/LOW Gain can be set via (x4) Gain switches on bottom of amp
Pre-Amp Output
1 x XLR
1 x RCA
Note: output level can be set via STD/Studio switch | volume can be controlled by ADJ/FIX switch on rear
Headphone Amplifier
Max Output Power
6.3mm: 188mW@3000, 1.5W@320
4.4mm BAL / XLR 4-pin BAL: 765mW@3000, 2W@320
THD+N: < 0.0003%
Frequency Response: ±0.2dB (DC-22kHz) @48kHz/24Bit
Signal-to-Noise Ratio (SNR):
6.3mm: > 117dB,(4.4mm BAL / XLR 4-pin BAL): > 120dB
Pre-Amplifier
Maximum Analog Output Level
RCA: 2V (STD), Studio mode output increased to 14dBu
XLR: 4V (STD), Studio mode output increased to 20dBu
THD+N <0.0003%
Frequency Response±0.2dB (DC-22kHz) @48kHz/24Bit
SNR
RCA: >116dB
XLR: >119dB
Color
Black

Box Content

    What will you get
  • 1x CMA Eighteen Master DAC/Amp

Warranty

1 YEAR WARRANTY

Don't worry,Questyle CMA Eighteen Master ES9039PRO Flagship DAC/Amp comes with a 1 Year warranty against manufacturing defects. We guarantee that every product on Concept Kart is genuine and backed by the Manufacturer's warranty.

Read more about Concept Kart's warranty policy.

Shipping Policy

FREE SHIPPING ON ALL ORDERS

At Concept Kart, we offer FREE standard shipping on all orders across India. Orders placed before 2 PM are usually dispatched on the same working day, while orders placed after 2 PM are dispatched on the next working day (excluding Sundays and public holidays) from our Delhi warehouse.

Delivery usually takes 1–2 business days in Delhi, the next working day in metro cities, and 2–7 business days in other locations after dispatch. We use trusted courier partners, including BlueDart and Delhivery, and share tracking details via email or WhatsApp. For prepaid orders, OTP verification is required at delivery for added security. Share the OTP only after receiving your package.

COD is available for orders between ₹1,500 and ₹10,000, with cash handling charges of ₹50 (up to 1 kg) and ₹100 (above 1 kg), displayed at checkout.

Delivery may be delayed due to festivals, extreme weather, floods, protests, or courier disruptions. Pre-orders follow the estimated timelines mentioned on their product pages.

For shipping or delivery assistance, contact customercare@conceptkart.com with your order number.