Product Model
Model: IO9901
Type: Capacitive
Polar Pattern: Heart-shaped指向
Frequency response range: 60Hz–20kHz
Output impedance: 850Ω ±15% at 1kHz
Sensitivity: -52 ± 2 dB (0 dB = 1 V/Pa) (at 1 kHz)
Single-unit weight: 190g ± 5g
Maximum sound pressure level: 130 dB
Signal-to-noise ratio: 72 dB
Core Advantages
【Technology R&D: Patent-Backed, Acoustic Innovation Leader】
Focusing on breakthroughs in fundamental acoustic technologies, we leverage a professional R&D team and core patents to create industry-leading audio solutions.
Core Highlights: 60+ domestic and international core patents covering key technologies; a 20+ person R&D team with an average of 15 years of industry experience; pioneering core technologies such as micro-dynamic acoustic cavity and anti-hand noise, achieving breakthroughs in high fidelity and noise reduction.
【Industry Manufacturing: Full-Chain Layout, Efficient and Scaled Delivery】
Leveraging the advantages of industrial clusters and intelligent production systems, we ensure high-quality, large-scale, and stable delivery.
Key Highlights: 60+ domestic and international core patents covering key technologies; a 20+ person R&D team with an average of 15 years of industry experience; pioneering core technologies such as micro-dynamic acoustic cavity and anti-hand noise, achieving breakthroughs in high fidelity and noise reduction.
【Quality Compliance: Standard-Driven, Robust Quality Assurance】
Building a quality system with stringent standards, leveraging authoritative certifications and industry influence to set a benchmark for professional audio quality.
Key Highlights: High-tech enterprise and specialized innovative enterprise certifications; complete ISO system and SGS full-chain quality certifications; performs automotive-grade quality testing and participates in industry standard setting.
【Customized Service: Full-Domain Adaptation, Precise Response Throughout the Lifecycle】
Deeply rooted in multi-scenario audio needs, providing full-process customized services from research to after-sales, empowering clients across various industries.
Core Highlights: 1000+ practical experiences in sound customization; one-on-one full-lifecycle support from acoustic experts; adaptable to professional performances, live recording, conference systems, smart homes, security communications, in-car karaoke, KTV entertainment, and other full-domain scenarios, collaborating with leading domestic and international companies.
【Full-Chain Capabilities: Vertical Integration, Strong Self-Controllable Support】
Covering the entire industry chain from core components to end products, achieving integrated and controllable technology, production, and service.
Core Highlights: Independently R&D and manufactures core components such as dynamic/capacitive microphone cores; covers the entire industry chain from "basic research to applied R&D to intelligent manufacturing to sales and service"; modular design for rapid adaptation to various scenarios.


Application Areas
Widely used in car karaoke, KTV entertainment, stage performances, instrument recording, and various professional audio applications.

Keyword
IO9901 Instrument Microphone
Category