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Ningbo Shengke Electronics Co., Ltd. is a high-tech enterprise which is specialized in research and development of high quality microphones, professional microphone accessories, headphones and various kinds of stands.

keyword : Microphones,Headphones


The RM9 condenser microphone has a unique, highly professional appearance. It has a very flat frequency response and low distortion and is suitable for vocal or instrument recording. It features an ultra thin double-side large diaphragm, plus high quality pre-amp circuitry with transformer output, offering accurate sound reproduction with very low self-noise. The RM9 can be widely used in various kind of professional situations such as studio recording, broadcast & TV stations, voiceovers, live sound, computer recording etc.


◆ Unique professional design;
◆ Very flat frequency response;
◆ Ultra-thin Φ34 pure gold-coated, double-sided large diaphragm capsule;
◆ Quality electronics incorporating output transformer; featuring high sensitivity, low noise and wide dynamic range;
◆ Designed with low frequency and sensitivity attenuation switches;
◆ Includes 3 polar patterns; cardioid, figure-8 and omni directional;
◆ The 3 polar patterns have same sensitivity;
◆ Uniquely designed nickel plating integrated pop filter and shock mount;
◆ Durable brass housing with nickel plating finish;
◆  Metal plating logo bage, high precise mechanical and laser engraving model number, enhance quality and touching;
◆  The iSK C-6 professional low noise microphone cable is included;
◆ The ISK0060 professional inbuilt sound card is included, which can offer 48V phantom power.


Element: Ф34 Pressure Gradient Transducer
Polar Pattern: Uni/Bi/Omni-directional
Frequency Response: 20Hz-20kHz
Sensitivity: -36dB±2dB (0dB=1V/Pa at 1kHz)
Output Impedance: 150Ω±30% (at 1kHz)
Load Impedance: ≥1000Ω
Equivalent Noise Level: 13dB A 
Max. Input  SPL: 138dB (at 1kHz ≤1% T.H.D) 
S/N Ratio: 81dB
Phantom Power Requirement: 48V DC Phantom Power
Electrical Current: 3mA 
Weight: About 452g 
Dimensions: Ф48×Ф50.6×208mm

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