Shure KSM44A/SL Large Diaphragm Multi-Pattern Condenser Microphone  Premium Studio Vocal & Instrument Mic

The Shure KSM44A is a premium multi-pattern large-diaphragm condenser microphone designed for studio recording and stage performance at the highest professional level. Featuring Prethos® Advanced Preamplifier Technology, the KSM44A delivers ultra-low self-noise, extreme SPL handling, and transparent, detailed sound reproduction across all recording applications.

With three polar patterns—cardioid, omnidirectional, and bidirectional—plus dual gold-layered diaphragms, switchable low-frequency filters, and a 15 dB pad, the KSM44A offers maximum recording flexibility for vocals, instruments, ensembles, and acoustic environments.

Key Features (Bullet Points)

• Premium Multi-Pattern Microphone – Ideal for studio recording and live performances

• Three Polar Patterns – Cardioid, omnidirectional, and bidirectional for versatile recording applications

• Prethos® Advanced Preamplifier Technology – Delivers transparency, ultra-low self-noise, and wide dynamic range

• Dual Gold-Layered Mylar Diaphragms – Ultra-thin 2.5 μm diaphragms provide superior transient response and frequency detail

• Subsonic Filter – Eliminates rumble below 17 Hz for cleaner audio capture

• Switchable 15 dB Pad – Handles extremely high SPLs without distortion

• 3-Position Low-Frequency Filter – Reduces proximity effect and unwanted low-frequency noise

• Integrated Three-Stage Pop Protection – Minimizes plosives and breath noise

• Premium Build Quality – Gold-plated connectors and rugged construction for long-term reliability

Specifications

• Weight: 492 g / 1.085 lbs

• Dimensions (H × W × D): 187 × 55.9 × 55.9 mm / 7.362 × 2.201 × 2.201 in

• Transducer Type: Condenser

• Polar Patterns: Cardioid, Omnidirectional, Bidirectional

• Frequency Response: 20 Hz – 20 kHz

• Sensitivity: Cardioid: -31 dBV/Pa (29.8 mV), Omnidirectional: -37 dBV/Pa (14.8 mV), Bidirectional: -36 dBV/Pa (16.8 mV)

• Equivalent Self-Noise: Cardioid: 4 dB(A), Omnidirectional: 6 dB(A), Bidirectional: 7.5 dB(A)

• Maximum SPL: 140 dB

• Impedance: 50 Ω

• Low-Cut Filter: Yes

• Attenuation Pad: Yes (15 dB)

• Output Connector: 3-Pin XLR

• Interchangeable Capsule: No

• Phantom Power Requirement: 11–52 VDC