AHNC Noise Cancelling: Say goodbye to unwanted rumbles! CAROL’s patented dual-engine AHNC technology actively detects and reduces handling noise in real time—keeping your vocals clear and performance flawless Ultra-Wide Frequency Response: Hear the full range! Engineered for rich, dynamic sound, this mic delivers crisp highs, smooth mids, and deep lows—perfect for vocals, karaoke, and live shows Noise-Free Switching: CAROL’s patented Slide Potentiometer Switch offers smooth, silent control. Its smart variable resistance design helps prevent static and feedback while boosting long-term durability Cable Included: The AC-900S comes with a pro-grade 14.8 ft (4.5m) XLR-to-XLR cable, giving you rock-solid connectivity for both studio sessions and live gigs—trusted by performers around the world Built to Last + 12-Month Warranty: With over 50 years of Taiwan’s advanced technology, CAROL offers durability, reliability, and exceptional sound quality. A trusted choice for musicians and audio pros