Universal Audio SD-3｜Standard Dynamic Instrument Microphone｜UA Hemisphere Mic Modeling
The Universal Audio SD-3 is a professional dynamic instrument microphone designed for snare drums, toms, and guitar cabinets. With its cardioid polar pattern and high SPL handling, the SD-3 delivers tight transients and clear midrange presence for punchy, detailed recordings. Using UA’s Hemisphere Mic Modeling technology, you can access authentic tones of classic dynamic microphones — giving you studio-grade results and creative flexibility in both recording and mixing.
Get Studio-Quality Instrument Recordings
Capture the perfect drum and guitar tones with UA’s dynamic modeling microphone. The SD-3 reproduces the legendary sound of the most popular instrument mics ever made with Hemisphere Mic Modeling, giving you pristine, mix-ready results whether you’re in the studio, on stage, or recording at home.
Record Through Five Workhorse Mics
SD-3 is powered by the same mic modeling technology found in UA’s award-winning Sphere microphones. With the included Hemisphere Mic Collection software, you can instantly access five iconic dynamic mic sounds — including models inspired by Shure, Sennheiser, and Audix. Capture authentic studio-quality tones for drums, guitar amps, and instruments with remarkable realism.
A Modeling Mic That Works for You
SD-3 and the Hemisphere Mic Collection software work seamlessly with or without UA hardware, letting you precisely shape your tone with filter, proximity, and axis controls. Whether you’re recording snare, toms, or guitar cabinets, SD-3 helps you find that perfect “sweet spot” for tight, punchy, and focused sound every time.
Easily Capture Your Best Sounds
SD-3’s finely tuned cardioid polar pattern adapts effortlessly to any recording environment — from home studios and rehearsal spaces to professional stages. Its ultra-high SPL handling and exceptional isolation deliver the iconic “sit-in-the-mix” tones heard on countless records, while its compact size makes perfect mic placement easy, even in tight setups.
Add a Pro Mic with Vintage Style
With its all-metal construction, retro grille design, and hand-selected capsule, SD-3 stands apart from other workhorse dynamics — combining reliability, warmth, and style. It’s your trusted recording partner for any instrument, whether on stage or in the studio.
Make It a Three Pack
SD-3 is also available in a three-pack configuration, ideal for miking up a full tom rack, drum kit, or complete backline. Enjoy perfectly matched tone and stereo balance across your entire setup.
Key Features
- Cardioid dynamic capsule isolates your source and minimizes stage bleed or feedback
- Handles high SPL levels, ideal for close-miking snares, toms, and guitar amps
- UA Hemisphere Mic Modeling recreates classic dynamic microphone tones and off-axis response
- Filter, proximity, and axis controls help you sculpt the perfect sound with ease
- No phantom power required — plug and play on stage or in the studio
- Solid metal housing and internal shock mounting reduce handling noise and vibration
- Includes mic clip, thread adapter, and padded pouch for secure storage
- Compatible with UAD Native and all major DAWs (VST3, AU, AAX formats)
- UA build quality ensures consistent performance and long-term reliability
Included Hemisphere Mic Models
- DN-4: Based on a compact modern instrument mic great for toms, guitar cabinets, and snares — includes a 3-position filter for tonal flexibility.**
- DN-57: Modeled after the legendary 1965 dynamic mic, the world’s best-selling microphone, ideal for blending with ribbons or condensers for balanced tone.**
- DN-409U: Delivers smooth top-end and tight low-end response, perfect for electric guitars and midrange instruments.**
- DN-545: A predecessor to the iconic 57, featuring the Unidyne III capsule — famously used on The Beach Boys’ Pet Sounds sessions.**
- DN-604: Based on a current European-made stage and studio standard; compact and ideal for snare and tom applications.**
Technical Specifications
| Microphone Type | Dynamic |
| Polar Pattern | Cardioid |
| Frequency Range | 40 Hz – 15 kHz |
| Sensitivity | -58 dB |
| Output Impedance | 250 Ω |
| Connector | 3-Pin XLRM |
| Included Accessories | Mic clip, ⅝"–⅜" thread adapter, storage pouch |
| Dimensions | 91 mm × 42 mm (3.58" × 1.65") |
| Weight | 214 g (0.47 lbs) |
