
Shure KSM8/B Dualdyne Dual-Diaphragm Dynamic Handheld Microphone

Expected May 31, 2025
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The Shure KSM8 Dualdyne Microphone is the world's first handheld dual-diaphragm dynamic microphone, designed for professional vocal applications in live sound and studio environments. Shure has taken dynamic microphone technology and performance to a groundbreaking new level with the development of the premium KSM8 Dualdyne. By achieving greater output level while minimizing proximity effect to an unmatched degree, the microphone provides a clean, richly detailed signal with minimal feedback. With state-of-the-art manufacturing from superior components, each KSM8 Dualdyne is meticulously crafted and tested to uphold the quality standards of world-class Shure construction even in the most demanding live environments.
Achieving the sound quality demanded by elite performers and venues no longer requires sacrificing the rugged reliability of a dynamic microphone.
The KSM8 Dualdyne features a patented cartridge design with two ultra-thin diaphragms and groundbreaking reverse airflow technology. The premium KSM8 Dualdyne Cardioid Vocal Dynamic Microphone is a groundbreaking feat of engineering design as the world's first-ever dual-diaphragm dynamic handheld microphone. Meticulously crafted for revolutionary vocal reproduction and sound-reinforcement control for world-class live performance in top-tier professional venues. Featuring the single purest cardioid polar pattern that Shure has developed to date, the patented Dualdyne cartridge of the KSM8 virtually eliminates proximity effect and masters off-axis rejection while providing sound professionals the signal clarity typical of condenser microphones without processing, along with the reliability of dynamic microphone feedback control.
Here are a few more of the technological advancements that make the KSM8 Dualdyne a game-changer in live sound:
- Unmatched control of proximity effect means a huge sweet spot.
- Accurate, flat frequency response greatly minimizes the need for EQ and processing.
- Truest cardioid polar pattern available controls bleed for a more natural sound.
Dent-resistant, hardened carbon-steel grille:
Lined with hydrophobic woven fabric for exceptional protection against wind, plosives and water, the KSM8 Dualdyne grille is durability redefined.
Patent-pending Diaphragm Stabilization System:
Protecting and stabilizing the active diaphragm during plosives and impact, the DSS greatly reduces high-frequency handling noise.
Patented cartridge design with two ultra-thin diaphragms and reverse airflow:
Controlled proximity effect vastly increases the working distance without on-axis coloration, delivering the most accurate frequency response available in a dynamic microphone.
Reimagined Shure pumping pneumatic shock mount:
An elaborate architecture of tuned cavities, specific resistances, and precisely machined components is fully integrated into the cartridge's acoustic properties, dramatically reducing handling noise without loss of low-end response.
This dual-diaphragm cartridge delivers greater consistency across the frequency spectrum as the distance between the microphone and the source changes. This revolutionary technology provides the following benefits:
- Reduced proximity effect.
- Clean, natural low end.
- Smooth high frequency response without a pronounced presence peak.
- Increased working distance.
The KSM8 delivers exceptional results and withstands the rigors of daily use in the most demanding live sound environments.
- Advanced internal pneumatic shock mount and the Diaphragm Stabilization System (DSS patent pending) work together to prevent handling noise.
- True cardioid pattern prevents feedback and provides consistent off-axis response.
- Hardened, dent resistant grille lined with hydrophobic woven fabric that rejects moisture as well as plosives for years of high quality use.
Shure KSM8/B Dualdyne Dual-Diaphragm Dynamic Handheld Microphone Features:
- Patented cartridge design featuring two ultra-thin diaphragms (one active and one passive) and groundbreaking inverted airflow system.
- Exceptional control of proximity effect vastly increases working distance without on-axis coloration.
- Accurate frequency response due to controlled proximity effect which allows for neutral mid-and-high frequency reproduction, resulting in the most natural sounding dynamic microphone available.
- Off-axis attenuation is flat and broad resulting in superior quality of rejection of unwanted sound sources for increased vocal clarity.
- Advanced Pneumatic Shock Mount design for exceptional rejection of handling noise without any loss of low frequency response.
- Dent-resistant, hardened carbon-steel grille design lined with hydrophobic woven fabric provides exceptional plosive and wind protection, while offering virtually waterproof protection.
- Available in select Shure wireless systems, compatible with all interchangeable Shure handheld wireless transmitters.
Shure KSM8/B Specifications:
Frequency Response | 40 to 16,000 Hz |
Polar Pattern | Cardioid |
Cartridge Type | Dual-Diaphragm Dynamic (moving coil) |
Output Impedance | 300 Ω |
Sensitivity (at 1 kHz, open circuit voltage) | -51.5 dBV/Pa (2.66 mV) |
Polarity | Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3. |
Net Weight | 0.72 lbs. / 330 g (11.64 oz.) |
Connector | Three-pin professional audio (XLR), male. |
Housing | Die-cast Aluminum with Paint or Brushed Nickel Finish |
Each KSM8/B Retail Box Includes:
(1) Shure KSM8/B Dualdyne Dual-Diaphragm Dynamic Handheld Microphone
(1) Zipper bag
(1) Microphone clip
(1) User guide