Universal Audio SD-3 – Dynamic Modeling Microphone for Loud Instruments

The Universal Audio SD-3 is a rugged all-metal dynamic mic designed for instruments like snare drums, guitar amps, brass and more. With Hemisphere Modeling technology, ultra-high SPL handling and flexible tonal shaping, it’s a professional tool ready for studio or stage.

Key Features

• Hemisphere mic modeling: Access authentic emulations of classic dynamic microphones for added tonal versatility.
• High SPL handling: Captures loud sources cleanly without distortion, ideal for drums, amps and brass.
• Cardioid pattern: Rejects off-axis noise to achieve cleaner, more focused recordings.
• Compact, instrument-friendly design: Easy to position on snare rims or in tight spaces.
• Tone-shaping controls: Adjust proximity, axis and filtering using the included plug-in—before or after tracking.
• Durable build: All-metal housing with a hand-selected dynamic capsule for long-term reliability.

Customer Benefits

The SD-3 delivers the punch, clarity and isolation needed for drums and guitar cabs, while its modeling tools let you tailor tones to fit any mix. It streamlines miking decisions and provides consistent, album-ready results.

Quick Specs

• Type: Dynamic microphone
• Polar Pattern: Cardioid
• Frequency Range: 40 Hz – 15 kHz
• Sensitivity: –58 dB
• Impedance: 250 Ω
• Dimensions: 91 mm length × 42 mm diameter
• Weight: 214 g

What’s in the Box

• Universal Audio SD-3 microphone
• Mic clip with 5/8" to 3/8" adapter
• Storage pouch

Use Cases / Ideal For

Perfect for snare drums, toms, guitar amplifiers, brass instruments, percussion and other loud sources in studio or live environments.

Compatibility

Works with any standard XLR mic preamp. Hemisphere Modeling plug-in runs on macOS and Windows, with or without Apollo interfaces.

Pros & Cons

✅ Pros:

• Accurate dynamic mic modeling for multiple tonal options
• High SPL capability makes it excellent for drums and amps
• Compact size improves placement flexibility

⚠️ Cons:

• Requires two channels and the plug-in for full modeling functionality
• Dynamic output level may require additional preamp gain

The Universal Audio SD-3 combines rugged dynamic performance with advanced modeling for flexible, mix-ready instrument recordings.