Features: Excellent Sound Quality: Features the ES9039Q2M processing chip for superior sound decoding, delivering clear and detailed sound. Perfect for music lovers seeking immersive listening at home or on the go. Broad Compatibility: Designed with I2S input to link seamlessly with various playback devices without extra adapters. Ideal for home theaters, individual studios, and other sound setups. Enhanced indication Processing: Optimized PCB layout minimizes distortion for cleaner sound output. Tailored for users who demand refined sound, including sound engineers and music producers. Portable and Easy to Use: Compact size (68.5x30mm) makes it perfect for mobile setups. Simple plug and play action suits travel or on the go sound needs. Sturdy Build: High grade PCB ensures long lasting use without wear, ideal for sound enthusiasts who value longevity in their equipment. Available in standard (double 5532) or upgraded (OPA1642+OPA1612) versions. Specifications: Supported sample rates: PCM: 16/24/32 bit 44.1/ 48/ 88.2/ 96/ 176.4/ 192/ 352.8/ 384/768KHz Power input: direct current port direct current 5V-9V indication input: I2S Output: 3.5MM headphone holder Size: 68.5x30mm Types: A Standard configuration double 5532 administrator amps; Type B: Strengthen OPA1642+OPA1612 Package Includes: 1PC ES9039Q2M Decoding Board note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.