Sweetwater is an Authorized Crown Dealer Genuine New Item Sweetwater's 2-year warranty Crown CM311 AESH Headworn Microphone for Shure Wireless Headworn Microphone with TA4F Connector The CM311 AESH is a popular differoid headworn microphone. Features include cardioid pickup pattern and noise canceling. Extremely high gain before feedback and excellent sound quality round out the features. This is for use with TA4F connector used in Shure Wireless Systems.SpecificationDetail Microphone Type Condenser Compatibility All Shure w/TA4F (Tiny QG) Connector Shure TA4F Polar Pattern Cardioid Frequency Response 50Hz-17kHz Max SPL 148dB SPL Signal to Noise Ratio 68dB (A weighted) Self Noise 26dB (A weighted) Color Black Cable Length 3.5 ft. Weight .13 lb. RETURN INFORMATION We want you to be completely happy with your purchase from Sweetwater. If you are not satisfied with your product, you may return it for a refund of the purchase price within 30 days. If your purchase was eligible for Free Shipping, the shipping cost will be deducted from your credit or refund. Returns must be in the complete and original packaging with all accessories and complete documentation (Owner's Manual, warranty card, quick start guides, etc.), show no signs of wear or use, and include a Return Authorization number or be subject to a restocking fee. Fast, FREE Shipping! Nearly every order received by 3PM Eastern ships the SAME DAY! FREE shipping to lower 48 states. Our central location reaches most states in 1-4 business days 99.95% warehouse accuracy Expedited shipping available We are proud to provide some of the fastest turnaround times on eBay. We use FedEx or UPS for most items, and USPS for smaller items. Residents of Hawaii, Alaska, and Puerto Rico should contact us for a shipping quote. PLEASE NOTE: We cannot ship large items to PO boxes, please provide an alternate address. If you have questions, feel free to contact us. Buy with confidence! Sweetwater's been selling on eBay since 2001, with 99.9% positive feedback! More than 30 years in business World-class customer service Fast, FREE shipping Free 2-year warranty on nearly every product Free tech support from audio experts