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An integrated auxillary audio input and "click-less" switch is provided for non-high-fidelity use cases. Di fferential Analog Outputs PCM input 102 dB of Stopband Attenuation Supports Sample Rates up to 192 kHz Accepts. The amplifier also supports adaptive post processing for customer bundled and third party headphones/headsets. The base Gustard DAC-A22 without MQA still exists it costs an additional 50 to get. The onboard low noise, ground-centered headphone amplifier provides proprietary AC impedance detection to support headphone fingerprinting to provide a consistent and transparent audio experience for the end user regardless of transducer impedances or frequency responses. CS4398 is the flagship model of Cirrus Logic who acquire Wolfson. Volume matching of the analog output levels and channel mixing enable a seamless transition between the DSD and PCM playback paths. Since 1998, the companys headquarters have been in Austin, Texas. Filtering options include low group delay with pseudo-linear phase and a fast or slow roll-off. is an American fabless semiconductor supplier that specializes in analog, mixed-signal, and audio DSP integrated circuits. To minimize pre-echos and ringing artifacts, the CS43130 is designed with proprietary digital-interpolation filters that support five selectable digital filter responses. The CS43130 features a high impedance of 600 Ω, and inter channel isolation of >110 dB. This IC minimizes board space requirements while enabling performance and features to drive design differentiation. The CS43130 combines a next generation, low power audio DAC with a high-fidelity headphone amplifier to provide a superior system-level audio performance without draining battery life.