FireRedASR2S is a speech recognition system combining multiple neural network modules: FireRedASR2 for ASR supporting Chinese, English, and code-switching with 2.89% CER on Mandarin benchmarks; FireRedVAD for voice activity detection in 100+ languages with 97.57% F1; FireRedLID for spoken language identification; and FireRedPunc for punctuation prediction. The system includes both streaming and non-streaming inference modes and supports vLLM deployment for the LLM variant.