The BCM 104 represents Neumann's dedication to broadcast excellence, engineered specifically for radio professionals, podcasters, and streaming content creators who demand pristine vocal reproduction. This purpose-built microphone features a functionally optimised design that includes an integrated pop screen and shock-protected large diaphragm condenser capsule, developed exclusively for speech applications. The transformer-less circuitry provides direct, noise-free sound transmission, making it ideal for broadcast, live streaming, and podcast applications.
Neumann developed the BCM line to meet the specific requirements of radio DJs, announcers, newscasters, talk show hosts, and podcasters who connect with audiences through their voice. The BCM 104's characteristic shape works seamlessly with industry standard microphone boom arms, while its elastic mount provides excellent protection against structure-borne noise. The integrated pop screen behind the head-grille shields the capsule from air blasts and plosives, and the head-grille can be easily removed for quick cleaning and improved hygiene.
The large diaphragm condenser capsule captures every vocal nuance without colouration or unwanted artefacts, supported by electronic circuitry that maintains an extremely low self-noise of just 7 dB-A. The microphone handles sound pressure levels up to 138 dB without distortion, while its balanced, transformer-less output minimises hum interference and provides high common mode rejection against external signals from computer screens and other equipment.
Professional setup options include a subsonic filter that suppresses frequencies below 20 Hz, plus an optional 100 Hz low cut to compensate for proximity effect during close speech operation. A second switch activates –14 dB pre-attenuation, reducing the BCM 104's output level for compatibility with equipment designed for dynamic microphones. Both switches are discretely located inside the microphone housing, as these settings are typically configured once during initial setup.
- Specially designed for broadcast, podcast & streaming
- All-new speech optimised condenser capsule
- Integrated pop-screen and elastic suspension
- Acoustical operating principle: Pressure gradient transducer
- Directional Pattern: Cardioid
- Frequency Range: 20 Hz to 20 kHz
- Sensitivity at 1 kHz into 1 kohm: 22 mV/Pa = –33.1 dBV ± 1 dB
- Sensitivity at –14 dB attenuation: 4.4 mV/Pa
- Rated Impedance: 50 ohms
- Rated load impedance: 1 kohms
- Equivalent noise level, CCIR¹?: 18 dB
- Equivalent noise level, A-weighted: 7 dB-A
- Maximum SPL for THD 0.5%²?: 138 dB
- Maximum SPL for THD 0.5% with preattenuation: 152 dB
- Signal-to-noise ratio, CCIR (re. 94 dB SPL): 76 dB
- Signal-to-noise ratio, A-weighted (re. 94 dB SPL): 87 dB
- Maximum output voltage: 10 dBu
- Supply voltage (P48, IEC 61938): 48 V ± 4 V
- Current consumption (P48, IEC 61938): 3.2 mA
- Matching connector: XLR 3 F
- Weight: 500 g
- Diameter: 64 mm
- Length: 85 mm
- Height: 110 mm (without suspension)



