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Item #:
187653838
Protocol Max | Portable DAC-Amplifier with 10-Band PEQ, Dual Cirrus Logic CS43198 + Dual SG Micro SGM8262-2 | 600mW High Power Amplification
Item #:
187653838
TZS 337247
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Order now and get it around Friday, August 21
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What Stands Out
High Power Output
With 600mW amplification, Protocol Max delivers powerful sound output, enhancing listening experiences for audiophiles and casual listeners alike.
Custom EQ Settings
The 10-band parametric equalizer allows tailored sound adjustments, optimizing audio performance for diverse genres and individual preferences.
Dual DAC Technology
Utilizing dual Cirrus Logic CS43198 DACs, this device ensures high-fidelity sound with exceptional clarity and detail, outperforming many competitors in its class.
Product Details
| Brand Name | CrinEar |
| Model Number | DK55 |
| Model Name | Protocol Max |
| Built-In Media | DAC-Amplifier, USB C-to-A Adapter, USB C-to-C Cable, User Manual |
| Age Range Description | Adult |
| Number of Items | 1 |
| Manufacturer | CrinEar |
| Headphone Jack | 4.4mm Balanced, 3.5mm Single-ended |
| Connectivity Technology | USB-A, USB-C |
| Color | Black |
| Style Name | Portable |
| Item Weight | 110 Grams |
| Unit Count | 1.0 Count |
| Impedance | 0.2 Ohms |
| Noise Control | None |
| Frequency Response | 384 KHz |
| Audio Driver Type | Hybrid Driver |
| Frequency Range | 20 Hz - 384 kHz |
| Enclosure Material | Aluminum |
| Specific Uses For Product | Audio Playback, Digital-to-Analog Conversion, Professional |
| Antenna Location | Audio Playback, Music Production, Professional Audio |
| Compatible Devices | Android, Windows, iOS (USB-C), macOS |
| Cable Features | Detachable |
| Water Resistance Level | Not Water Resistant |
| Additional Features | Adjustable and Persistent Parametric EQ, Dual Cirrus Logic CS43198 DAC Chips, Dual Power Modes, Dual SG Micro SGM8262-2 Operational Amplifiers, Sleek Aluminium Housing |
| Headphones Ear Placement | Open Ear |
| Headphone Folding Features | Portable DAC-Amplifier |
| Earpiece Shape | over_ear |
| Control Type | Button Control |
| Control Method | Push Button |
| Brand | CrinEar |
| Ear Placement | Open Ear |
| Form Factor | Portable DAC-Amplifier |
| Country of Origin | This item will be imported from US |
| Date First Available | October 11, 2025 |
Who Should Buy?
-
Audiophiles
Ideal for audiophiles seeking high-quality sound with customizable equalization and powerful amplification.
-
Portable Users
Great for users needing a compact solution for high-fidelity audio on the go without compromising quality.
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Musicians
Beneficial for musicians wanting accurate sound reproduction for monitoring during practice or recording sessions.
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Casual Listeners
Not suitable for casual listeners who prefer simple, plug-and-play audio solutions without advanced features.
Product Description
Protocol Max | Portable DAC-Amplifier with 10-Band PEQ, Dual Cirrus Logic CS43198 + Dual SG Micro SGM8262-2 | 600mW High Power Amplification
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What type of headphones can I use with Protocol Max?
Answer: You can use both sensitive IEMs and demanding full-size headphones. -
Question:
How do I customize the sound profiles?
Answer: You can use the browser-based Hangout.Audio Graph Tool to upload and store PEQ profiles directly on the device. -
Question:
What are the two power modes available?
Answer: The Protocol Max features Eco mode for power efficiency and Boost mode for maximum output performance.
CrinEar Amplifiers DK55 Editorial Review
**** The Protocol Max Portable DAC-Amplifier has garnered attention for its impressive sound quality and flexible equalization capabilities, making it an attractive choice for casual listeners and audiophiles alike. Customers express a newfound appreciation for their audio experiences, particularly highlighting the device's ability to power demanding headphones, such as the Sennheiser HD 600 and Monarch MkII. The standout feature is undoubtedly the 10-band parametric equalizer (PEQ), which allows users to customize sound profiles to fit personal preferences or emulate the characteristics of different headphones. Despite its strong performance, some users have reported issues with device durability, experiencing distortion and buzzing noise that could render the unit unusable. These issues seem to be inConsistent, as others have praised the reliability of their devices over extended use. Furthermore, the Protocol Max operates off the connected device's battery, leading to increased power Consumption that could be a drawback for users reliant on their phone's longevity. Additionally, while the EQ offering is robust, the necessity of using a desktop interface for adjustments may discourage some users who desire on-the-go flexibility. In conclusion, the Protocol Max Portable DAC-Amplifier has delivered a positive listening experience with room for improvement, particularly in ease of use and product reliability. Ultimately, it serves well for those who prioritize sound quality and EQ customization, provided they navigate its quirks. **
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Pros
- High-quality sound amplification for demanding headphones.
- 10-band PEQ allows for extensive sound customization.
- Compatible with most devices with a USB-C connection.
- User-friendly with volume controls included.
Cons
- Requires connection to a desktop for EQ adjustments; no mobile app available.
Platform Trust & Buyer Confidence
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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TZS 337247
Order now and get it around Friday, August 21
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Features & Benefits
- Exceptional audio clarity with a compact design.
- Delivers up to 600 mW of output power.
- Equipped with dual DACs for pristine sound quality.
- Customizable PEQ profiles for personalized sound.
- Versatile outputs with both 4.4mm balanced and 3.5mm connections.
- Two power modes for maximum efficiency or performance.
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