Shure KSM353/ED Ribbon Microphone

- Transducer Type: Roswellite Ribbon
- Frequency Response: 30 - 15,000 Hz
- Directional Polar Pattern: Bidirectional
- Output Impedance: Transformer, balanced, actual 270 Ohm
- Polarity: Positive pressure on front side of ribbon produces positive voltage on pin 2 relative to pin 3, pin 1 ground
- Sensitivity (at 1 kHz, open circuit voltage): -53.5 dBV/Pa (2.11 mV/Pa)
- Max SPL: 146 dB

Dimensions & Weight:
- Diameter: 1.9 in (4.83 cm)
- Height: 6.2 in (15.75 cm)
- Weight: 1.4 lbs (633 g)
- Weight (w/shock mount): 1.84 lbs (833 g)
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 4.75 lbs
Shipping Dimensions: 15 x 11 x 7 in
Manufacturer Part Number (MPN): KSM353/ED
If you have additional warranty questions, please contact the manufacturer at 800-25-SHURE

Shure KSM353/ED Ribbon Microphone

The Shure KSM353/ED is a premium bi-directional ribbon microphone crafted for pristine audio in studio and concert hall applications. Proprietary Roswellite(tm) technology provides revolutionary ribbon resilience and durability under extreme conditions. Hand assembled in the USA from state-of-the art transducers, transformers and metals as the pinnacle of Shure quality for prestigious vocal and acoustic performances.

The high-tensile strength, toughness and shape memory of Roswellite ribbon material replaces traditional foil ribbons for superior resilience at extreme SPLs.

With unique technology and application features, alongside superior materials and construction, Shure KSM Ribbon Microphones are the necessary choice for the world's most accomplished studio and live performances.


- Bi-directional polar pattern delivers premier, completely symmetrical audio with superior off-axis rejection
- Revolutionary Roswellite proprietary ribbon material replaces traditional foil ribbons with high tensile strength, toughness and shape memory that provides superior resilience at extreme SPLs
- Custom ribbon motor assembly tailors bass response without attenuating the overall output for full low and mid ranges, and superior upper range presence from a rising frequency response
- Double-shielded matched full-sized transformer minimizes signal loss and maximizes output while reducing magnetic and RF interference from 90 degree placement, offset relative to the ribbon
- 146dB SPL across 30 - 15,000 Hz frequency response ideal for capturing fast transients in vocals, acoustic instruments and concert halls
- Legendary Shure quality and superior construction from hand-assembly of machined steel, silver, gold and aluminum materials, and housed in a pure stainless steel casing
- Spring-loaded suspension shock mount for flexible, fully-isolated stand mounting.
- Upright protective wood case included for storage when not in use
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