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CrinEar Protocol Max Portable USB-Powered DAC-Amplifier with Dual Cirrus Logic CS43198 DAC Chips
Selling Points
Dual Cirrus Logic CS43198 DAC Chips
Dual SG Micro SGM8262-2 Operational Amplifiers
Up to 600mW Balanced Output Power
Persistent Browser-Based Parametric EQ
Dual Power Modes: Eco & Boost
Aluminum Housing for Durability
Balanced 4.4mm and 3.5mm Outputs
Precision Meets Power in the Palm of Your Hand
The CrinEar Protocol Max marks the brand’s bold debut in the source gear world, carrying forward CrinEar’s philosophy of acoustic precision into digital-to-analog conversion and amplification. Designed for audiophiles, engineers, and music lovers alike, this portable USB-powered DAC-amp delivers pure, reference-grade sound in a compact and rugged body.
Designed for Effortless Driving Power
With up to 600mW of clean output from its balanced connection, the Protocol Max confidently drives everything—from ultra-sensitive in-ear monitors to high-impedance full-size headphones. Its dual operational amplifiers ensure stable current delivery with minimal distortion, offering both raw power and refined control in one pocket-sized powerhouse.
Custom Sound, Simplified
No apps, no software installs, no hassle. The Protocol Max introduces a browser-based parametric EQ via the Hangout.Audio Graph Tool, allowing users to adjust and save their preferred tuning directly onto the device. Your EQ settings stay stored internally, so your personalized sound travels wherever you go.
Intelligent Dual Power Modes
Choose your performance style: Eco Mode for power efficiency and longer sessions, or Boost Mode when you need full output for demanding headphones. The seamless switching ensures optimal performance in any setup—portable or desktop.
Crafted for Everyday Portability
Milled from premium aluminum, the Protocol Max’s sleek and sturdy housing not only looks elegant but also offers reliable protection. Lightweight yet durable, it’s built to travel effortlessly with your gear while maintaining a professional, modern aesthetic.
Technical Specifications
DAC Chips: Dual Cirrus Logic CS43198
Amplifier Chips: Dual SG Micro SGM8262-2
Output Power: Up to 600mW @ 32Ω (Balanced)
Output Options: 4.4mm Balanced / 3.5mm Single-Ended
Output Impedance: <1Ω
EQ Control: Browser-based via Hangout.Audio Graph Tool (Persistent Storage)
Power Modes: Eco / Boost
Power Source: USB-Powered
Housing: CNC-Machined Aluminum
Compatibility: Windows, macOS, Android (OTG supported)
Dimensions: Compact Portable Form Factor
Meta Description
Discover the CrinEar Protocol Max, a pocket-sized USB DAC-amp with dual CS43198 DACs, 600mW balanced output, dual power modes, and built-in browser-based EQ control. Designed for audiophiles and professionals seeking precision, power, and portability in one sleek device.

