SMSL AS400 MA5332MS Power Amplifier CS43131 165W x 165W DAC Headphone Amp, USB/Coax/Opt/HDMI ARC/RCA/Phono Input 2.1 Channel Speaker/Subwoofer 4.4mm/6.35mm Headphone Output, MQA DAC Class D Amplifier

Designed with the MA5332MS amplifier chip from Infineon, the CS43131 DAC chip from Cirrus Logic, and the NJW1194A volume control chip from JRC (Japan), this unit provides stable performance and efficient audio processing. It is equipped with a 2.1-channel active audio system, featuring dual 165W x2 full-range power output and an independent subwoofer channel. The dedicated subwoofer output interface allows connection to a high-power subwoofer unit. For wireless audio transmission, it supports LDAC, aptX/HD, SBC, and AAC full-protocol decoding, delivering a high-fidelity listening experience. The digital amplifier provides 5 PCM filters: Fast and Low-latency filter, Phase-compensated filter, Slow and Low-latency filter, Slow and Phase-compensated filter, Non-oversampling filter. It also offers 8 EQ settings: Direct, Tone, SDB, Bass, Super bass, Rock, Soft, Clear. Featuring XMOS XU-316 and MQA decoding, it establishes a lossless channel from the studio master to the listener's ears. When 32bit/768kHz sound wave details flow, the master emotion unlocked by MQA is reproduced with pristine accuracy, enabling a direct dialogue with the original state of the music. A built-in professional-grade MM phono amplifier removes the need for extra phono equipment. Simply connect to a vinyl record player to instantly immerse yourself in the charm of analog sound, faithfully capturing the rich details and warm character of vinyl records