The Reference Max Bundle is a complete high-fidelity system built to unlock the full potential of your music; where precision tuning meets uncompromising power. Designed to work in perfect synergy, this pairing delivers a clean, authoritative signal chain that elevates every detail, from the deepest bass textures to the finest treble nuances. At the core is the CrinEar Reference, engineered for true reference-grade sound with a neutral, measurement-driven tuning that reveals your music exactly as it is. Its advanced 2DD + 3BA hybrid driver system, featuring the Horizontally-Opposed Dual Woofer System (HODWS), produces tight, controlled bass, natural midrange clarity, and extended, resolving highs, creating a sound that is both precise and immersive. Driving it is the CrinEar Protocol Max, a powerful portable DAC/amp that brings out the Reference’s full capabilities with greater resolution, dynamics, and control, alongside the ultimate flexibility of a 10-band parametric EQ. The result is a listening experience that feels effortless yet revealing, whether you’re in the studio or on the move. Together, they form a seamless, high-performance setup designed for those who demand clarity, accuracy, and impact in every note. What You Get CrinEar Reference IEM (2DD + 3BA) Detachable 2-pin silver-plated copper cable Interchangeable 3.5mm single ended and 4.4 balanced connectors for universal compatibility 3 pairs of "standard bore" silicone tips, 3 pairs of "shorter bore" silicone tips, and 4 pairs of shortwide silicone tips in variety of sizes (XS/S/M/L) + 1 pair of M-sized foam tips Premium leatherette zip case CrinEar Protocol Max USB C-to-C cable USB C-to-A adapter Specs (Reference) Driver configuration: 2DD (HODWS) + 3BA Impedance: 16Ω @1kHz Sensitivity: 104dB/mW @1kHz Frequency Response Range: 2Hz ~ 44,000Hz Nozzle Width: 6.0mm (lip) Cable Material: Silver-plated Copper Specs (Protocol Max) DAC Chip: Dual Cirrus Logic CS43198 Amp Chip: Dual SG Micro SGM8262-2 Maximum Power Output (BAL):- @ 8Ω: 31.3 mW (Eco), 442 mW (Boost)- @ 16Ω: 62.5 mW (Eco), 600 mW (Boost)- @ 32Ω: 31.3 mW (Eco), 500 mW (Boost)- @ 300Ω: 3.5 mW (Eco), 54 mW (Boost) Maximum Power Output (SE):- @ 8Ω: 31.3 mW (Eco), 500 mW (Boost)- @ 16Ω: 15.63 mW (Eco), 250 mW (Boost)- @ 32Ω: 7.8 mW (Eco), 125 mW (Boost)- @ 300Ω: 0.8 mW (Eco), 13.5 mW (Boost) SNR @1kHz 0dBFS: 132 dB (BAL), 127 dB (SE) THD+N @1kHz 0dBFS: -118 dB (BAL), -116 dB (SE) Crosstalk @1kHz -6dBFS: -116 dB (BAL), -65 dB (SE) Output Impedance:
